Grid Parameters¶
Abbreviation 
Description 
Units 

WSPD 
10 Metre neutral wind speed over waves 
m/s 
WDRT 
10 Metre Wind Direction Over Waves 
Degree 
ARI12H1000YR 
12H Average Recurrance Interval Accumulation 1000 Year 
in*1000 
ARI12H100YR 
12H Average Recurrance Interval Accumulation 100 Year 
in*1000 
ARI12H10YR 
12H Average Recurrance Interval Accumulation 10 Year 
in*1000 
ARI12H1YR 
12H Average Recurrance Interval Accumulation 1 Year 
in*1000 
ARI12H200YR 
12H Average Recurrance Interval Accumulation 200 Year 
in*1000 
ARI12H25YR 
12H Average Recurrance Interval Accumulation 25 Year 
in*1000 
ARI12H2YR 
12H Average Recurrance Interval Accumulation 2 Year 
in*1000 
ARI12H500YR 
12H Average Recurrance Interval Accumulation 500 Year 
in*1000 
ARI12H50YR 
12H Average Recurrance Interval Accumulation 50 Year 
in*1000 
ARI12H5YR 
12H Average Recurrance Interval Accumulation 5 Year 
in*1000 
PRP12H 
12 hour Precipitation Accumulation Return Period 
year 
GaugeInfIndex12H 
12 hour QPE Gauge Influence Index 

FFG12 
12hr flash flood guidance 
mm 
FFR12 
12hr flash flood runoff values 
mm 
EchoTop18 
18 dBZ Echo Top 
km 
ARI1H1000YR 
1H Average Recurrance Interval Accumulation 1000 Year 
in*1000 
ARI1H100YR 
1H Average Recurrance Interval Accumulation 100 Year 
in*1000 
ARI1H10YR 
1H Average Recurrance Interval Accumulation 10 Year 
in*1000 
ARI1H1YR 
1H Average Recurrance Interval Accumulation 1 Year 
in*1000 
ARI1H200YR 
1H Average Recurrance Interval Accumulation 200 Year 
in*1000 
ARI1H25YR 
1H Average Recurrance Interval Accumulation 25 Year 
in*1000 
ARI1H2YR 
1H Average Recurrance Interval Accumulation 2 Year 
in*1000 
ARI1H500YR 
1H Average Recurrance Interval Accumulation 500 Year 
in*1000 
ARI1H50YR 
1H Average Recurrance Interval Accumulation 50 Year 
in*1000 
ARI1H5YR 
1H Average Recurrance Interval Accumulation 5 Year 
in*1000 
PRP01H 
1 hour Precipitation Accumulation Return Period 
year 
GaugeInfIndex01H 
1 hour QPE Gauge Influence Index 

QPEFFG01H 
1 hour QPEtoFFG Ratio 
% 
FFG01 
1hr flash flood guidance 
mm 
FFR01 
1hr flash flood runoff values 
mm 
QPE01 
1hr Quantitative Precip Estimate 
mm 
QPE01_ACR 
1hr Quantitative Precip Estimate 
mm 
QPE01_ALR 
1hr Quantitative Precip Estimate 
mm 
QPE01_FWR 
1hr Quantitative Precip Estimate 
mm 
QPE01_KRF 
1hr Quantitative Precip Estimate 
mm 
QPE01_MSR 
1hr Quantitative Precip Estimate 
mm 
QPE01_ORN 
1hr Quantitative Precip Estimate 
mm 
QPE01_PTR 
1hr Quantitative Precip Estimate 
mm 
QPE01_RHA 
1hr Quantitative Precip Estimate 
mm 
QPE01_RSA 
1hr Quantitative Precip Estimate 
mm 
QPE01_STR 
1hr Quantitative Precip Estimate 
mm 
QPE01_TAR 
1hr Quantitative Precip Estimate 
mm 
QPE01_TIR 
1hr Quantitative Precip Estimate 
mm 
QPE01_TUA 
1hr Quantitative Precip Estimate 
mm 
EVEC1 
1st Vector Component of Electric Field 
V*m^1 
BVEC1 
1st Vector Component of Magnetic Field 
T 
VEL1 
1st Vector Component of Velocity (Coordinate system dependent) 
m*s^1 
TCSRG20 
20% Tropical Cyclone Storm Surge Exceedance 
m 
ARI24H1000YR 
24H Average Recurrance Interval Accumulation 1000 Year 
in*1000 
ARI24H100YR 
24H Average Recurrance Interval Accumulation 100 Year 
in*1000 
ARI24H10YR 
24H Average Recurrance Interval Accumulation 10 Year 
in*1000 
ARI24H1YR 
24H Average Recurrance Interval Accumulation 1 Year 
in*1000 
ARI24H200YR 
24H Average Recurrance Interval Accumulation 200 Year 
in*1000 
ARI24H25YR 
24H Average Recurrance Interval Accumulation 25 Year 
in*1000 
ARI24H2YR 
24H Average Recurrance Interval Accumulation 2 Year 
in*1000 
ARI24H500YR 
24H Average Recurrance Interval Accumulation 500 Year 
in*1000 
ARI24H50YR 
24H Average Recurrance Interval Accumulation 50 Year 
in*1000 
ARI24H5YR 
24H Average Recurrance Interval Accumulation 5 Year 
in*1000 
PRP24H 
24 hour Precipitation Accumulation Return Period 
year 
GaugeInfIndex24H 
24 hour QPE Gauge Influence Index 

FFG24 
24hr flash flood guidance 
mm 
FFR24 
24hr flash flood runoff values 
mm 
QPE24 
24hr Quantitative Precip Estimate 
mm 
QPE24_ACR 
24hr Quantitative Precip Estimate 
mm 
QPE24_ALR 
24hr Quantitative Precip Estimate 
mm 
QPE24_FWR 
24hr Quantitative Precip Estimate 
mm 
QPE24_KRF 
24hr Quantitative Precip Estimate 
mm 
QPE24_MSR 
24hr Quantitative Precip Estimate 
mm 
QPE24_ORN 
24hr Quantitative Precip Estimate 
mm 
QPE24_PTR 
24hr Quantitative Precip Estimate 
mm 
QPE24_RHA 
24hr Quantitative Precip Estimate 
mm 
QPE24_RSA 
24hr Quantitative Precip Estimate 
mm 
QPE24_STR 
24hr Quantitative Precip Estimate 
mm 
QPE24_TAR 
24hr Quantitative Precip Estimate 
mm 
QPE24_TIR 
24hr Quantitative Precip Estimate 
mm 
QPE24_TUA 
24hr Quantitative Precip Estimate 
mm 
QPF24 
24hr Quantitative Precip Forecast 
mm 
QPF24_ACR 
24hr Quantitative Precip Forecast 
mm 
QPF24_ALR 205 
24hr Quantitative Precip Forecast 
mm 
QPF24_FWR 
24hr Quantitative Precip Forecast 
mm 
QPF24_KRF 
24hr Quantitative Precip Forecast 
mm 
QPF24_MSR 
24hr Quantitative Precip Forecast 
mm 
QPF24_ORN 
24hr Quantitative Precip Forecast 
mm 
QPF24_PTR 
24hr Quantitative Precip Forecast 
mm 
QPF24_RHA 
24hr Quantitative Precip Forecast 
mm 
QPF24_RSA 
24hr Quantitative Precip Forecast 
mm 
QPF24_STR 
24hr Quantitative Precip Forecast 
mm 
QPF24_TAR 
24hr Quantitative Precip Forecast 
mm 
QPF24_TIR 
24hr Quantitative Precip Forecast 
mm 
QPF24_TUA 
24hr Quantitative Precip Forecast 
mm 
ARI2H1000YR 
2H Average Recurrance Interval Accumulation 1000 Year 
in*1000 
ARI2H100YR 
2H Average Recurrance Interval Accumulation 100 Year 
in*1000 
ARI2H10YR 
2H Average Recurrance Interval Accumulation 10 Year 
in*1000 
ARI2H1YR 
2H Average Recurrance Interval Accumulation 1 Year 
in*1000 
ARI2H200YR 
2H Average Recurrance Interval Accumulation 200 Year 
in*1000 
ARI2H25YR 
2H Average Recurrance Interval Accumulation 25 Year 
in*1000 
ARI2H2YR 
2H Average Recurrance Interval Accumulation 2 Year 
in*1000 
ARI2H500YR 
2H Average Recurrance Interval Accumulation 500 Year 
in*1000 
ARI2H50YR 
2H Average Recurrance Interval Accumulation 50 Year 
in*1000 
ARI2H5YR 
2H Average Recurrance Interval Accumulation 5 Year 
in*1000 
EVEC2 
2nd Vector Component of Electric Field 
V*m^1 
BVEC2 
2nd Vector Component of Magnetic Field 
T 
VEL2 
2nd Vector Component of Velocity (Coordinate system dependent) 
m*s^1 
EchoTop30 
30 dBZ Echo Top 
km 
ARI30M1000YR 
30M Average Recurrance Interval Accumulation 1000 Year 
in*1000 
ARI30M100YR 
30M Average Recurrance Interval Accumulation 100 Year 
in*1000 
ARI30M10YR 
30M Average Recurrance Interval Accumulation 10 Year 
in*1000 
ARI30M1YR 
30M Average Recurrance Interval Accumulation 1 Year 
in*1000 
ARI30M200YR 
30M Average Recurrance Interval Accumulation 200 Year 
in*1000 
ARI30M25YR 
30M Average Recurrance Interval Accumulation 25 Year 
in*1000 
ARI30M2YR 
30M Average Recurrance Interval Accumulation 2 Year 
in*1000 
ARI30M500YR 
30M Average Recurrance Interval Accumulation 500 Year 
in*1000 
ARI30M50YR 
30M Average Recurrance Interval Accumulation 50 Year 
in*1000 
ARI30M5YR 
30M Average Recurrance Interval Accumulation 5 Year 
in*1000 
PRP30min 
30 min Precipitation Accumulation Return Period 
year 
TCSRG30 
30% Tropical Cyclone Storm Surge Exceedance 
m 
SALIN 
3D Salinity 

WTMPC 
3D Temperature 
℃ 
ARI3H1000YR 
3H Average Recurrance Interval Accumulation 1000 Year 
in*1000 
ARI3H100YR 
3H Average Recurrance Interval Accumulation 100 Year 
in*1000 
ARI3H10YR 
3H Average Recurrance Interval Accumulation 10 Year 
in*1000 
ARI3H1YR 
3H Average Recurrance Interval Accumulation 1 Year 
in*1000 
ARI3H200YR 
3H Average Recurrance Interval Accumulation 200 Year 
in*1000 
ARI3H25YR 
3H Average Recurrance Interval Accumulation 25 Year 
in*1000 
ARI3H2YR 
3H Average Recurrance Interval Accumulation 2 Year 
in*1000 
ARI3H500YR 
3H Average Recurrance Interval Accumulation 500 Year 
in*1000 
ARI3H50YR 
3H Average Recurrance Interval Accumulation 50 Year 
in*1000 
ARI3H5YR 
3H Average Recurrance Interval Accumulation 5 Year 
in*1000 
PRP03H 
3 hour Precipitation Accumulation Return Period 
year 
GaugeInfIndex03H 
3 hour QPE Gauge Influence Index 

QPEFFG03H 
3 hour QPEtoFFG Ratio 
% 
FFG03 
3hr flash flood guidance 
mm 
FFR03 
3hr flash flood runoff values 
mm 
TSLSA 
3hr pressure tendency (Std. Atmos. Reduction) 
Pa/s 
EVEC3 
3rd Vector Component of Electric Field 
V*m^1 
BVEC3 
3rd Vector Component of Magnetic Field 
T 
VEL3 
3rd Vector Component of Velocity (Coordinate system dependent) 
m*s^1 
TCSRG40 
40% Tropical Cyclone Storm Surge Exceedance 
m 
GaugeInfIndex48H 
48 hour QPE Gauge Influence Index 

EchoTop50 
50 dBZ Echo Top 
km 
TCSRG50 
50% Tropical Cyclone Storm Surge Exceedance 
m 
5WAVA 
5wave geopotential height anomaly 
gpm 
5WAVA 
5Wave Geopotential Height Anomaly 
gpm 
5WAVH 
5wave geopotential height 
gpm 
5WAVH 
5Wave Geopotential Height 
gpm 
EchoTop60 
60 dBZ Echo Top 
km 
TCSRG60 
60% Tropical Cyclone Storm Surge Exceedance 
m 
ARI6H1000YR 
6H Average Recurrance Interval Accumulation 1000 Year 
in*1000 
ARI6H100YR 
6H Average Recurrance Interval Accumulation 100 Year 
in*1000 
ARI6H10YR 
6H Average Recurrance Interval Accumulation 10 Year 
in*1000 
ARI6H1YR 
6H Average Recurrance Interval Accumulation 1 Year 
in*1000 
ARI6H200YR 
6H Average Recurrance Interval Accumulation 200 Year 
in*1000 
ARI6H25YR 
6H Average Recurrance Interval Accumulation 25 Year 
in*1000 
ARI6H2YR 
6H Average Recurrance Interval Accumulation 2 Year 
in*1000 
ARI6H500YR 
6H Average Recurrance Interval Accumulation 500 Year 
in*1000 
ARI6H50YR 
6H Average Recurrance Interval Accumulation 50 Year 
in*1000 
ARI6H5YR 
6H Average Recurrance Interval Accumulation 5 Year 
in*1000 
PRP06H 
6 hour Precipitation Accumulation Return Period 
year 
GaugeInfIndex06H 
6 hour QPE Gauge Influence Index 

QPEFFG06H 
6 hour QPEtoFFG Ratio 
% 
FFG06 
6hr flash flood guidance 
mm 
FFR06 
6hr flash flood runoff values 
mm 
QPE06 
6hr Quantitative Precip Estimate 
mm 
QPE06_ACR 
6hr Quantitative Precip Estimate 
mm 
QPE06_ALR 
6hr Quantitative Precip Estimate 
mm 
QPE06_FWR 
6hr Quantitative Precip Estimate 
mm 
QPE06_KRF 
6hr Quantitative Precip Estimate 
mm 
QPE06_MSR 
6hr Quantitative Precip Estimate 
mm 
QPE06_ORN 
6hr Quantitative Precip Estimate 
mm 
QPE06_PTR 
6hr Quantitative Precip Estimate 
mm 
QPE06_RHA 
6hr Quantitative Precip Estimate 
mm 
QPE06_RSA 
6hr Quantitative Precip Estimate 
mm 
QPE06_STR 
6hr Quantitative Precip Estimate 
mm 
QPE06_TAR 
6hr Quantitative Precip Estimate 
mm 
QPE06_TIR 
6hr Quantitative Precip Estimate 
mm 
QPE06_TUA 
6hr Quantitative Precip Estimate 
mm 
QPF06 
6hr Quantitative Precip Forecast 
mm 
QPF06_ACR 
6hr Quantitative Precip Forecast 
mm 
QPF06_ALR 
6hr Quantitative Precip Forecast 
mm 
QPF06_FWR 
6hr Quantitative Precip Forecast 
mm 
QPF06_KRF 
6hr Quantitative Precip Forecast 
mm 
QPF06_MSR 
6hr Quantitative Precip Forecast 
mm 
QPF06_ORN 
6hr Quantitative Precip Forecast 
mm 
QPF06_PTR 
6hr Quantitative Precip Forecast 
mm 
QPF06_RHA 
6hr Quantitative Precip Forecast 
mm 
QPF06_RSA 
6hr Quantitative Precip Forecast 
mm 
QPF06_STR 
6hr Quantitative Precip Forecast 
mm 
QPF06_TAR 
6hr Quantitative Precip Forecast 
mm 
QPF06_TIR 
6hr Quantitative Precip Forecast 
mm 
QPF06_TUA 
6hr Quantitative Precip Forecast 
mm 
TCSRG70 
70% Tropical Cyclone Storm Surge Exceedance 
m 
GaugeInfIndex72H 
72 hour QPE Gauge Influence Index 

TCSRG80 
80% Tropical Cyclone Storm Surge Exceedance 
m 
TCSRG90 
90% Tropical Cyclone Storm Surge Exceedance 
m 
ABSD 
Absolute divergence 
s^1 
ABSH 
Absolute Humidity 
kg m3 
AH 
Absolute humidity 
kg/m^3 
ABSV 
Absolute vorticity 
s^1 
ASD 
Accumulated Snow Depth 
m 
ACOND 
Aerodynamic conductance 
m/s 
AETYP 
Aerosol type 
(Code table 4.205) 
AC137 
Air concentration of Caesium 137 
Bq/m^3 
AI131 
Air concentration of Iodine 131 
Bq/m^3 
ARADP 
Air concentration of radioactive pollutant 
Bq/m^3 
ALBDO 
Albedo 
% 
ACWVH 
Altimeter corrected wave height 
m 
ALRRC 
Altimeter Range Relative Correction 

ASET 
Altimeter setting 
Pa 
AWVH 
Altimeter wave height 
m 
ALTMSL 
Altitude above mean sea level 
m 
ANCConvectiveOutlook 
ANC Convective Outlook 

ANCFinalForecast 
ANC Final Forecast 
dBZ 
AOSGSO 
Angle Of SubGrid Scale Orography 
Rad 
ASGSO 
Anisotropy Of SubGrid Scale Orography 
Numeric 
APTMP 
Apparent Temperature 
K 
ARBTXT 
Arbitrary text string 
CCITTIA5 
ASHFL 
Assimilative Heat Flux 
W/m^2 
AMIXL 
Asymptotic mixing length scale 
m 
ATMDIV 
Atmospheric Divergence 
s^1 
AVSFT 
Average surface skin temperature 
K 
BARET 
Bare soil surface skin temperature 
K 
BKENG 
Barotropic Kinectic Energy 
J/kg 
UBARO 
Barotropic U velocity 
m/s 
UBARO 
Barotropic U Velocity 
m/s 
VBARO 
Barotropic V velocity 
m/s 
VBARO 
Barotropic V Velocity 
m/s 
BGRUN 
Baseflowgroundwater runoff 
mm 
BASRV 
Base radial velocity 
m/s 
BASR 
Base reflectivity 
dB 
BASSW 
Base spectrum width 
m/s 
4LFTX 
Best (4layer) lifted index 
K 
4LFTX 
Best (4 layer) Lifted Index 
K 
BLI 
Best lifted index (to 500 mb) 
K 
BMIXL 
Blackadars mixing length scale 
m 
BLST 
Bottom layer soil temperature 
K 
NONE 
Bottom of Ocean Isothermal Layer 
m 
OBIL 
Bottom of Ocean Isothermal Layer 
m 
NONE 
Bottom of Ocean Mixed Layer (m) 
m 
OBML 
Bottom of Ocean Mixed Layer (m) 
m 
BCBL 
Boundary layer cloud bottom level 

BCBL 
Boundary Layer Cloud Bottom Level 

BCLY 
Boundary Layer Cloud Layer 

BCY 
Boundary layer cloud layer 

BCY 
Boundary Layer Cloud Layer 

BCTL 
Boundary layer cloud top level 

BCTL 
Boundary Layer Cloud Top Level 

BLYSP 
Boundary layer dissipation 
W/m^2 
BrightBandBottomHeight 
Bright Band Bottom Height 
m 
BrightBandTopHeight 
Bright Band Top Height 
m 
BRTMP 
Brightness temperature 
K 
CAIIRAD 
CaIIK Radiance 
W*s*r^1*m^2 
CCOND 
Canopy conductance 
m/s 
EVCW 
Canopy water evaporation 
W/m^2 
CONVP 
Categorical Convection 
categorical 
CFRZR 
Categorical Freezing Rain 

CFRZR 
Categorical Freezing Rain 
Code table 4.222 
CFRZR 
Categorical Freezing Rain 
nondim 
CFRZR 
Categorical freezing rain 
(See Code table 4.222) 
CFRZR 
Categorical Freezing Rain (yes=1; no=0) 

CFRZR 
Categorical Freezing Rain (yes=1; no=0) 
nondim 
CICEP 
Categorical Ice Pellets 

CICEP 
Categorical Ice Pellets 
Code table 4.222 
CICEP 
Categorical Ice Pellets 
nondim 
CICEP 
Categorical ice pellets 
(See Code table 4.222) 
CICEP 
Categorical Ice Pellets (yes=1; no=0) 

CICEP 
Categorical Ice Pellets (yes=1; no=0) 
nondim 
CLGTN 
Categorical Lightning 
categorical 
OZCAT 
Categorical Ozone Concentration 
NonDim 
OZCAT 
Categorical Ozone Concentration 

CRAIN 
Categorical Rain 
Code table 4.222 
CRAIN 
Categorical Rain 

CRAIN 
Categorical Rain 
nondim 
CRAIN 
Categorical rain 
(See Code table 4.222) 
CRAIN 
Categorical Rain (yes=1; no=0) 

CRAIN 
Categorical Rain (yes=1; no=0) 
nondim 
SVRTS 
Categorical Servre Thunderstorm 

SVRTS 
Categorical Severe Thunderstorm 

CSNOW 
Categorical Snow 
Code table 4.222 
CSNOW 
Categorical Snow 

CSNOW 
Categorical Snow 
nondim 
CSNOW 
Categorical snow 
(See Code table 4.222) 
CSNOW 
Categorical Snow (yes=1; no=0) 

CSNOW 
Categorical Snow (yes=1; no=0) 
nondim 
CTSTM 
Categorical Thunderstorm (1yes, 0no) 
categorical 
TSTMC 
Categorical Thunderstorm (1yes, 0no) 
categorical 
CCEIL 
Ceiling 
m 
LightningDensity15min 
CG Lightning Density (15 min.) 
Flashes/km^2/min 
LightningDensity1min 
CG Lightning Density (1 min.) 
Flashes/km^2/min 
LightningDensity30min 
CG Lightning Density (30 min.) 
Flashes/km^2/min 
LightningDensity5min 
CG Lightning Density (5 min.) 
Flashes/km^2/min 
LightningProbabilityNext30min 
CG Lightning Probability (030 min.) 
% 
CAT 
Clear Air Turbulence (CAT) 
% 
CAT 
Clear Air Turbulence(CAT) 
% 
CSDLF 
Clear Sky Downward Long Wave Flux 
W/m^2 
CSDSF 
Clear sky downward solar flux 
W/m^2 
CSULF 
Clear Sky Upward Long Wave Flux 
W/m^2 
CSUSF 
Clear Sky Upward Solar Flux 
W/m^2 
CDUVB 
Clear sky UVB downward solar flux 
W/m^2 
CAMT 
Cloud amount 
% 
CBL 
Cloud Base Level 

CBASE 
Cloud base 
m 
CEIL 
Cloud Ceiling 

CLG 
Cloud ceiling 

CLG 
Cloud Ceiling 

CloudCover 
Cloud Cover 
K 
CFNLF 
Cloud Forcing Net Long Wave Flux 
W/m^2 
CFNSF 
Cloud Forcing Net Solar Flux 
W/m^2 
CDCIMR 
Cloud Ice Mixing Ratio 
kg/kg 
CICE 
Cloud ice 
mm 
CLOUDM 
Cloud mask 
(Code table 4.217) 
CLWMR 
Cloud Mixing Ratio 
kg kg1 
CLWMR 
Cloud mixing ratio 
kg/kg 
CTOPHQI 
Cloud top height quality indicator 
(Code table 4.219) 
CTOP 
Cloud top 
m 
heightCTHGT 
Cloud top 
m 
CTYP 
Cloud type 
(Code table 4.203) 
CWAT 
Cloud water 
mm 
CWORK 
Cloud work function 
J/kg 
CWORK 
Cloud Work Function 
J/kg 
CDWW 
Coefficient of Drag With Waves 

CISOILW 
ColumnIntegrated Soil Water 
mm 
REFC 
Composite reflectivity 
dB 
MergedReflectivityQCComposite 
Composite Reflectivity 
dBZ 
HeightCompositeReflectivity 
Composite Reflectivity Height 
m 
MergedReflectivityQComposite 
Composite Reflectivity Mosaic 
dBZ 
EF25M 
Cond 25% pcpn smy fractile past 24 hrs 
mm 
EF50M 
Cond 50% pcpn smy fractile past 24 hrs 
mm 
TCOND 
Condensate 
kg kg1 
CONDE 
Condensate 
kg/kg 
CONDP 
Condensation Pressure of Parcali Lifted From Indicate Surface 
Pa 
CONDP 
Condensation Pressure of Parcal Lifted From Indicate Surface 
Pa 
CPPAF 
Conditional percent precipitation amount fractile for an overall period (Encoded as an accumulation) 
mm 
CICEL 
Confidence  Ceiling 

CIFLT 
Confidence  Flight Category 

CIVIS 
Confidence  Visibility 

CONTB 
Contrail base 
m 
CONTB 
Contrail Base 
m 
CONTE 
Contrail engine type 
(Code table 4.211) 
CONTET 
Contrail Engine Type 
See Table 4.211 
CONTI 
Contrail intensity 
(Code table 4.210) 
CONTI 
Contrail Intensity 
See Table 4.210 
CONTT 
Contrail top 
m 
CONTT 
Contrail Top 
m 
CONUSMergedReflectivity 
CONUS Merged Reflectivity 
dBZ 
CONUSPlusMergedReflectivity 
CONUSPlus Merged Reflectivity 
dBZ 
CONVP 
Convection Potential 

CAPE 
Convective available potential energy 
J/kg 
CCBL 
Convective cloud bottom level 

CCBL 
Convective Cloud Bottom Level 

CCLY 
Convective Cloud 

CCY 
Convective cloud 

CCY 
Convective Cloud 

CDCON 
Convective cloud cover 
% 
CUEFI 
Convective Cloud Efficiency 

CUEFI 
Convective Cloud Efficiency 
nondim 
CUEFI 
Convective cloud efficiency 
Proportion 
MFLUX 
Convective Cloud Mass Flux 
Pa/s 
CCTL 
Convective cloud top level 

CCTL 
Convective Cloud Top Level 

CNVDEMF 
Convective detrainment mass flux 
mm/s 
CNVDMF 
Convective downdraft mass flux 
mm/s 
CNGWDV 
Convective Gravity wave drag meridional acceleration 
m/s^2 
CNGWDU 
Convective Gravity wave drag zonal acceleration 
m/s^2 
CIN 
Convective inhibition 
J/kg 
CNVV 
Convective meridional momentum mixing acceleration 
m/s^2 
ACPCP 
Convective Precipitation 
kg m2 
ACPCP 
Convective precipitation 
mm 
ACPCPN 
Convective precipitation (nearest grid point) 
kg/m2 
ACPCPN 
Convective precipitation (nearest grid point) 
mm 
CPRAT 
Convective Precipitation Rate 
kg m2 s1 
CPRAT 
Convective Precipitation Rate 
kg*m^2*s^1 
CPRAT 
Convective precipitation rate 
mm / s 
CPRAT 
Convective Precipitation Rate 
mm / s 
CSRATE 
Convective Snowfall Rate 
m s1 
CSRATE 
Convective Snowfall Rate 
m/s 
CSRWE 
Convective Snowfall Rate Water Equivalent 
kg m2s1 
CSRWE 
Convective Snowfall Rate Water Equivalent 
mm/s 
SNOC 
Convective snow 
mm 
CNVUMF 
Convective updraft mass flux 
mm/s 
CWP 
Convective Water Precipitation 
kg m2 
CWP 
Convective Water Precipitation 
mm 
CWDI 
Convective Weather Detection Index 

CNVU 
Convective zonal momentum mixing acceleration 
m/s^2 
SNO C 
Convect Snow 
kg m2 
NTRNFLUX 
Cosmic Ray Neutron Flux 
h^1 
COVTZ 
Covariance between izonal component of the wind and temperature. Defined as [uT][u][T], where “[]” indicates the mean over the indicated time span. 
K*m/s 
COVMM 
Covariance between meridional and meridional components of the wind. Defined as [vv][v][v], where “[]” indicates the mean over the indicated time span. 
m^2/s^2 
COVMZ 
Covariance between Meridional and Zonal Components of the wind. 
m^2/s^2 
COVTM 
Covariance between meridional component of the wind and temperature. Defined as [vT][v][T], where “[]” indicates the mean over the indicated time span. 
K*m/s 
COVQM 
Covariance between specific humidity and meridional components of the wind. Defined as [vq][v][q], where “[]” indicates the mean over the indicated time span. 
kg/kg*m/s 
COVQQ 
Covariance between specific humidity and specific humidy. Defined as [qq][q][q], where “[]” indicates the mean over the indicated time span. 
kg/kg*kg/kg 
COVQVV 
Covariance between specific humidity and vertical components of the wind. Defined as [Ωq][Ω][q], where “[]” indicates the mean over the indicated time span. 
kg/kg*Pa/s 
COVQZ 
Covariance between specific humidity and zonal components of the wind. Defined as [uq][u][q], where “[]” indicates the mean over the indicated time span. 
kg/kg*m/s 
COVPSPS 
Covariance between surface pressure and surface pressure. Defined as [Psfc][Psfc][Psfc], where “[]” indicates the mean over the indicated time span. 
Pa*Pa 
COVTM 
Covariance between Temperature and Meridional Components of the wind. 
K*m/s 
COVTT 
Covariance between temperature and temperature. Defined as [TT][T][T], where “[]” indicates the mean over the indicated time span. 
K*K 
COVTW 
Covariance between temperature and vertical component of the wind. Defined as [wT][w][T], where “[]” indicates the mean over the indicated time span. 
K*m/s 
COVTVV 
Covariance between temperature and vertical components of the wind. Defined as [ΩT][Ω][T], where “[]” indicates the mean over the indicated time span. 
K*Pa/s 
COVTZ 
Covariance between Temperature and Zonal Components of the wind. 
K*m/s 
COVVVVV 
Covariance between vertical and vertical components of the wind. Defined as [ΩΩ][Ω][Ω], where “[]” indicates the mean over the indicated time span. 
Pa^2/s^2 
COVMZ 
Covariance between zonal and meridional components of the wind. Defined as [uv][u][v], where “[]” indicates the mean over the indicated time span. 
m^2/s^2 
COVZZ 
Covariance between zonal and zonal components of the wind. Defined as [uu][u][u], where “[]” indicates the mean over the indicated time span. 
m^2/s^2 
CrestMaxStreamflow 
CREST Maximum Streamflow 
(m^3)*(s^1) 
CrestMaxUStreamflow 
CREST Maximum Unit Streamflow 
(m^3)*(s^1)*(km^2) 
CrestSoilMoisture 
CREST Soil Moisture 
% 
CRTFRQ 
Critical Frequency 
Hz 
CB 
Cumulonimbus Base 
m 
CBHE 
Cumulonimbus Horizontal Exten 
% 
CT 
Cumulonimbus Top 
m 
DIRC 
Current direction 
Degree true 
SPC 
Current speed 
m/s 
DCBL 
Deep convective cloud bottom level 

DCBL 
Deep Convective Cloud Bottom Level 

DCCBL 
Deep Convective Cloud Bottom Level 

DCCTL 
Deep Convective Cloud Top Level 

DCTL 
Deep convective cloud top level 

DCTL 
Deep Convective Cloud Top Level 

CNVHR 
Deep Convective Heating rate 
K/s 
CNVMR 
Deep Convective Moistening Rate 
kg kg1 s1 
CNVMR 
Deep Convective Moistening Rate 
kg/kg*s 
DALT 
Density altitude 
m 
DEN 
Density 
kg/m^3 
DBLL 
Depth Below Land surface 
m 
DPBLW 
Depth below land surface 
m 
DBSL 
Depth Below Sea Level 
m 
DPMSL 
Depth below sea level 
m 
REFZI 
Derived radar reflectivity backscatter from ice 
mm^6/m^3 
REFZI 
Derived radar reflectivity backscatter from ice 
mm^6*m^3 
REFZC 
Derived radar reflectivity backscatter from parameterized convection 
mm^6/m^3 
REFZC 
Derived radar reflectivity backscatter from parameterized convection 
mm^6*m^3 
REFZR 
Derived radar reflectivity backscatter from rain 
mm^6/m^3 
REFZR 
Derived radar reflectivity backscatter from rain 
mm^6*m^3 
REFD 
Derived radar reflectivity 
dB 
DEVMSL 
Deviation of sea level from mean 
m 
DEPR 
Dew point depression or deficit 
K 
DPT 
Dew point temperature 
K 
DIREC 
Direct Evaporation Cease(Soil Moisture) 
kg/m^3 
SMDRY 
Direct evaporation cease (soil moisture) 
Proportion 
EVBS 
Direct evaporation from bare soil 
W/m^2 
DIRWWW 
Directional Width of The Wind Waves 

Degree true 
Direction Degrees true 
DIRDEGTRU 
WWSDIR 
Direction of combined wind waves and swell 
Degree 
DICED 
Direction of ice drift 
Degree true 
SWDIR 
Direction of swell waves 
Degree 
WVDIR 
Direction of wind waves 
Degree 
DSKDAY 
Disk Intensity Day 
J*m^2*s^1 
DSKINT 
Disk Intensity 
j*m^2*s^1 
DSKNGT 
Disk Intensity Night 
J*m^2*s^1 
DLWRF 
Downward LongWave Rad. Flux 
W/m^2 
DLWRF 
Downward longwave radiation flux Downward LongW/m^2 
W/m^2 DLWRF 
DSWRF 
Downward ShortWave Rad. Flux 
W/m^2 
DSWRF 
Downward shortwave radiation flux Downward ShortW/m^2 
W/m^2 DSWRF 
DTRF 
Downward Total radiation Flux 
W/m^2 
DWUVR 
Downward UV Radiation 
W/m^2 
CD 
Drag Coefficient 

CD 
Drag coefficient 
Numeric 
ELON 
East Longitude (0  360) 
deg 
ELON 
East Longitude (0  360) 
degrees 
ELONN 
East Longitude (nearest neighbor) (0  360) 
degrees 
RETOP 
Echo Top 
m 
RADT 
Effective radiative skin temperature 
K 
ETOT 
Electric Field Magnitude 
V*m^1 
ELCDEN 
Electron Density 
m^3 
DIFEFLUX 
Electron Flux (Differential) 
(m^2*s*sr*eV)^1 
INTEFLUX 
Electron Flux (Integral) 
(m^2*s*sr)^1 
ELECTMP 
Electron Temperature 
K 
ELSCT 
Elevation of snow covered terrain 
(Code table 4.216) 
EHELX 
Energy helicity index 
Numeric 
EATM 
Entire atmosphere (considered as a single layer) 

EA 
Entire Atmosphere 

EATM 
Entire Atmosphere 

NONE 
Entire Atmosphere 

EOCN 
Entire ocean (considered as a single layer) 

EOCN 
Entire Ocean 

NONE 
Entire Ocean 

EHLT 
Equilibrium level 

EHLT 
Equilibrium Level 

REFZC 
Equivalent radar reflectivity factor for parameterized convection 
m m6 m3 
REFZR 
Equivalent radar reflectivity factor for rain 
m m6 m3 
REFZI 
Equivalent radar reflectivity factor for snow 
m m6 m3 
ESTPC 
Estimated precipitation 
mm 
ESTUWIND 
Estimated u component of wind 
m/s 
ESTVWIND 
Estimated v component of wind 
m/s 
ELYR 
Eta Level 
Eta value 
ETAL 
Eta Level 
Eta value 
EUVRAD 
EUV Radiance 
W*s*r^1*m^2 
EVP 
Evaporation 
kg m2 
EVP 
Evaporation Evaporation  Precipitation 
mm cm/day EMNP 
EMNP 
Evaporation  Precipitation 
cm/day 
EMNP 
Evaporation  Precipitation 
cm per day 
EVAPT 
Evapotranspiration 
kg^2*s^1 
SFEXC 
Exchange coefficient 
kg*m^2*s^1 
SFEXC 
Exchange coefficient 
mm * s 
ETCWL 
Extra Tropical Storm Surge Combined Surge and Tide 
m 
ETSRG 
Extra Tropical Storm Surge 
m 
F107 
F10.7 
W*m^2*H*z^1 
FLDCP 
Field Capacity 
fraction 
FIREDI 
Fire Detection Indicator 
(Code Table 4.223) 
FIREODT 
Fire Outlook Due to Dry Thunderstorm 
index(see GRIB 2 code table 4.224) 
FIREOLK 
Fire Outlook 
index (see GRIB 2 code table 4.224) 
FFG 
Flash flood guidance (Encoded as an accumulation over a floating subinterval of time between the reference time and valid time) 
mm 
FFRUN 
Flash flood runoff (Encoded as an accumulation over a floating subinterval of time) 
mm 
FLGHT 
Flight Category 

QREC 
Flood plain recharge 
mm 
ModelHeight0C 
Freezing Level Height 
m 
FRZR 
Freezing Rain 
kg/m2 
FRZR 
Freezing Rain 
mm 
FPRATE 
Freezing Rain Precipitation Rate 
kg m2s1 
FPRATE 
Freezing Rain Precipitation Rate 
mm/s 
FREQ 
Frequency 
s^1 
FRICV 
Frictional velocity 
m/s 
FRICV 
Frictional Velocity 
m/s 
FRICV 
Friction Velocity 
m/s 
FROZR 
Frozen Rain 
kg/m2 
FROZR 
Frozen Rain 
mm 
GHT 
Geometrical height 
m 
DBSS 
Geometric Depth Below Sea Surface 
m 
DIST 
Geometric height 
m 
GPA 
Geopotential height anomaly 
gpm 
GH 
Geopotential height 
gpm 
HGT 
Geopotential height 
gpm 
HGTN 
Geopotential Height (nearest grid point) 
gpm 
GP 
Geopotential 
m^2/s^2 
GRAD 
Global radiation flux 
W/m^2 
GRAUP 
Graupel (snow pellets) 
kg/kg 
GRLE 
Grauple 
kg kg1 
GSGSO 
Gravity Of SubGrid Scale Orography 
W/m^2 
GWDV 
Gravity wave drag meridional acceleration 
m/s^2 
GWDU 
Gravity wave drag zonal acceleration 
m/s^2 
GCBL 
Grid scale cloud bottom level 

GCBL 
Grid Scale Cloud Bottom Level 

GSCBL 
Grid Scale Cloud Bottom Level 

GCTL 
Grid scale cloud top level 

GCTL 
Grid Scale Cloud Top Level 

GSCTL 
Grid Scale Cloud Top Level 

GC137 
Ground deposition of Caesium 137 
Bq/m^2 
GI131 
Ground deposition of Iodine 131 
Bq/m^2 
GRADP 
Ground deposition of radioactive 
Bq/m^2 
GFLUX 
Ground heat flux 
W/m^2 
SFC 
Ground or Water Surface 

GWREC 
Groundwater recharge 
mm 
HAIL 
Hail 
m 
HAILPROB 
Hail probability 
% 
HINDEX 
Haines Index 
Numeric 
SIGHAL 
Hall Conductivity 
S*m^1 
HARAD 
HAlpha Radiance 
W*s*r^1*m^2 
HFLUX 
Heat Flux 
W/m^2 
HTX 
Heat index 
K 
DIFIFLUX 
Heavy Ion Flux (Differential) 
((m^2*s*sr*eV)/nuc)^1 
INTIFLUX 
Heavy Ion Flux (iIntegral) 
(m^2*s*sr)^1 
HGTAG 
Height above ground (see Note 1) 
m 
H50Above0C 
Height of 50 dBZ Echo Above 0C 
km 
H50AboveM20C 
Height of 50 dBZ Echo Above 20C 
km 
H60Above0C 
Height of 60 dBZ Echo Above 0C 
km 
H60AboveM20C 
Height of 60 dBZ Echo Above 20C 
km 
HELCOR 
Heliospheric Radiance 
W*s*r^1*m^2 
ABSRB 
HF Absorption 
dB 
ABSFRQ 
HF Absorption Frequency 
Hz 
HPRIMF 
h’F 
m 
HCBL 
High cloud bottom level 

HCBL 
High Cloud Bottom Level 

HCDC 
High cloud cover 
% 
HCL 
High cloud layer 

HCL 
High Cloud Layer 

HCLY 
High Cloud Layer 

HCTL 
High cloud top level 

HCTL 
High Cloud Top Level 

HSCLW 
Highest top level of supercooled liquid water layer 

HSCLW 
Highest Top Level of Supercooled Liquid Water Layer 

HTSLW 
Highest Top Level of Supercooled Liquid Water Layer 

HTFL 
Highest tropospheric freezing level 

HTFL 
Highest Tropospheric Freezing Level 

HighLayerCompositeReflectivity 
High Layer Composite Reflectivity (2460 kft) 
dBZ 
HAVNI 
HighLevel aviation interest 

HRCONO 
High risk convective outlook 
categorical 
MCONV 
Horizontal Moisture Convergence 
kg kg1 s1 
HMC 
Horizontal moisture convergence 
kg/kg*s 
MCONV 
Horizontal Moisture Divergence 
kg kg1 s1 
MCONV 
Horizontal Moisture Divergence 
kg*kg^1*s^1 
MCONV 
Horizontal moisture divergence 
kg/kg*s 
MCONV 
Horizontal Moisture Divergence 
kg/kg*s 
MFLX 
Horizontal momentum flux 
N/m^2 
MFLX 
Horizontal Momentum Flux 
N * m2 
MFLX 
Horizontal Momentum Flux 
N/m^2 
CompositeReflectivityMaxHourly 
Hourly Composite Reflectivity Maximum 
dBZ 
MAXDVV 
Hourly Maximum of Downward Vertical Vorticity in the lowest 400hPa 
m/s 
MAXREF 
Hourly Maximum of Simulated Reflectivity at 1 km AGL 
dB 
MXUPHL 
Hourly Maximum of Updraft Helicity over Layer 25 km AGL 
m^2/s^2 
MXUPHL 
Hourly Maximum of Updraft Helicity over Layer 2km to 5 km AGL 
m^2/s^2 
MAXUVV 
Hourly Maximum of Upward Vertical Vorticity in the lowest 400hPa 
m/s 
MIXR 
Humidity Mixing Ratio 
kg kg1 
MIXR 
Humidity mixing ratio 
kg/kg 
RCQ 
Humidity parameterin canopy conductance 
Fraction 
RCQ 
Humidity parameter in canopy conductance 
Proportion 
HYBL 
Hybrid Level 

HCBB 
ICAO Height at Cumulonimbus Bas 
m 
HCBT 
ICAO Height at Cumulonimbus To 
m 
HECBB 
ICAO Height at Embedded Cumulonimbus Bas 
m 
HECBT 
ICAO Height at Embedded Cumulonimbus To 
m 
ICAHT 
ICAO Standard Atmosphere Reference Height 
m 
ICEC 
Ice cover 
Proportion 
ICED 
Ice divergence 
s^1 
FICE 
Ice fraction of total condensate 

FICE 
Ice fraction of total condensate 
nondim 
FICE 
Ice fraction of total condensate 
Proportion 
surface 
Icefree water 
ICWAT 
ICWAT 
Icefree water surface 
% 
ICEG 
Ice growth rate 
m/s 
IPRATE 
Ice Pellets Precipitation Rate 
kg m2s1 
IPRATE 
Ice Pellets Precipitation Rate 
mm/s 
ICE T 
Ice Temperature 
K 
ICETK 
Ice thickness 
m 
ICMR 
Ice Water Mixing Ratio 
kg kg1 
ICMR 
Ice water mixing ratio 
kg/kg 
ICIB 
Icing base 
m 
ICIB 
Icing Base 
m 
ICIP 
Icing 
% 
ICIP 
Icing Potential 
% 
TIPD 
Icing Potential 
nondim 
ICPRB 
Icing probability 
nondim 
ICI 
Icing Icing Severity 
See Table 4.207 ICI 
ICSEV 
Icing severity 
nondim 
ICIT 
Icing top 
m 
ICIT 
Icing Top 
m 
CTP 
InCloud Turbulence 
% 
IRBand4 
Infrared Imagery 
K 
INSTRR 
Instantaneous rain rate 
mm / s 
LIPMF 
Integrated column particulate matter (fine) 
log10(mg * m^3) 
LIPMF 
Integrated column particulate matter (fine) 
log10(mm*g/m^3) 
ILIQW 
Integrated Liquid Water 
kg m2 
ILW 
Integrated liquid water 
mm 
TSI 
Integrated Solar Irradiance 
W*m^2 
INTFD 
Interface Depths 
m 
IMFTSW 
Inverse Mean Frequency of The Total Swell 
s 
IMFWW 
Inverse Mean Frequency of The Wind Waves 
s 
IMWF 
Inverse Mean Wave Frequency 
s 
IONDEN 
Ion Density 
m^3 
IDRL 
Ionospheric Dregion level 

IERL 
Ionospheric Eregion level 

IF1RL 
Ionospheric F1region level 

IF2RL 
Ionospheric F2region level 

IONTMP 
Ion Temperature 
K 
THEL 
Isentropic (theta) level 
K 
ISBL 
Isobaric Surface 
Pa 
TMPL 
Isothermal Level 
K 
KX 
K index 
K 
KENG 
Kinetic Energy 
J/kg 
MELBRNE 
KNES1 
1 
KOX 
KO index 
K 
BENINX 
Kurtosis of The Sea Surface Elevation Due to Waves 

LAND 
Land cover (0=sea, 1=land) 
Proportion 
LANDN 
Landsea coverage (nearest neighbor) 
[land=1,sea=0] 
LSPA 
Land Surface Precipitation Accumulation 
mm 
LANDU 
Land use 
(Code table 4.212) 
LAPR 
Lapse rate 
K/m 
LRGHR 
Large Scale Condensate Heating rate 
K/s 
LRGMR 
Large scale moistening rate 
kg/kg/s 
NCPCP 
LargeScale Precipitation (nonconvective) 
kg m2 
NCPCP 
Large scale precipitation (nonconvective) 
mm 
LSPRATE 
Large Scale Precipitation Rate 
kg m2s1 
LSPRATE 
Large Scale Precipitation Rate 
mm/s 
LSSRATE 
Large Scale Snowfall Rate 
m s1 
LSSRATE 
Large Scale Snowfall Rate 
m/s 
LSSRWE 
Large Scale Snowfall Rate Water Equivalent 
kg m2s1 
LSSRWE 
Large Scale Snowfall Rate Water Equivalent 
mm/s 
SNO L 
LargeScale Snow 
kg m2 
SNOL 
Large scale snow 
mm 
LSWP 
Large Scale Water Precipitation (NonConvective) 
kg m2 
LSWP 
Large Scale Water Precipitation (NonConvective) 
mm 
LHTFL 
Latent heat net flux 
W/m^2 
NLAT 
Latitude (90 to +90) 
deg 
NLAT 
Latitude (90 to +90) 
degrees 
NLATN 
Latitude (nearest neighbor) (90 to +90) 
degrees 
LAPP 
Latitude of Presure Point 
degrees 
LAUV 
Latitude of U Wind Component of Velocity 
degrees 
LAVV 
Latitude of V Wind Component of Velocity 
degrees 
NONE 
Layer Between Two Depths Below Ocean Surface 

OLYR 
Layer between two depths below ocean surface 

OLYR 
Layer Between Two Depths Below Ocean Surface 

LBTHL 
Layer Between Two Hybrid Levels 

NONE 
Layer Between Two Hybrid Levels 

LMBSR 
Layermaximum base reflectivity 
dB 
LOS 
Layer Ocean Surface and 26C Ocean Isothermal Level 

NONE 
Layer Ocean Surface and 26C Ocean Isothermal Level 

LAYTH 
Layer Thickness 
m 
LAI 
Leaf Area Index 

PDLY 
Level at Specified Pressure Difference from Ground to Level 
Pa 
SPDL 
Level at Specified Pressure Difference from Ground to Level 
Pa 
0DEG 
level of 0C Isotherm 

ADCL 
Level of Adiabatic Condensation Lifted from the Surface 

CTL 
Level of Cloud Tops 

LTNG 
Lightning 

LTNG 
Lightning 
nondim 
LMBINT 
Limb Intensity 
J*m^2*s^1 
ARAIN 
Liquid precipitation (rainfall) 
kg/m2 
ARAIN 
Liquid precipitation (rainfall) 
mm 
LSOIL 
Liquid soil moisture content (nonfrozen) 
mm 
LIQVSM 
Liquid Volumetric Soil Moisture (NonFrozen) 
m^3/m^3 
SOILL 
Liquid volumetric soil moisture (nonfrozen) 
Proportion 
LOPP 
Longitude of Presure Point 
degrees 
LOUV 
Longitude of U Wind Component of Velocity 
degrees 
LOVV 
Longitude of V Wind Component of Velocity 
degrees 
LWAVR 
Long wave radiation flux 
W/m^2 
LWHR 
LongWave Radiative Heating Rate 
K/s 
LCBL 
Low cloud bottom level 

LCBL 
Low Cloud Bottom Level 

LCDC 
Low cloud cover 
% 
LCLY 
Low Cloud Layer 

LCY 
Low cloud layer 

LCY 
Low Cloud Layer 

LCTL 
Low cloud top level 

LCTL 
Low Cloud Top Level 

LLSM 
Lower layer soil moisture 
kg/m^3 
LBSLW 
Lowest Bottom Level of Supercooled Liquid Water Layer 

LSCLW 
Lowest bottom level of supercooled liquid water layer 

LSCLW 
Lowest Bottom Level of Supercooled Liquid Water Layer 

LLTW 
Lowest level of the wet bulb zero 

LLTW 
Lowest Level of the Wet Bulb Zero 

LWBZ 
Lowest Level of the Wet Bulb Zero 

WBZ 
Lowest Level of the Wet Bulb Zero 

LowLayerCompositeReflectivity 
Low Layer Composite Reflectivity (024 kft) 
dBZ 
LAVNI 
LowLevel aviation interest 

MergedAzShear02kmAGL 
LowLevel Azimuthal Shear (02km AGL) 
1/s 
LLCompositeReflectivity 
LowLevel Composite Reflectivity 
dBZ 
HeightLLCompositeReflectivity 
LowLevel Composite Reflectivity Height 
m 
RotationTrackLL120min 
LowLevel Rotation Tracks 02km AGL (120 min. accum.) 
1/s 
RotationTrackLL1440min 
LowLevel Rotation Tracks 02km AGL (1440 min. accum.) 
1/s 
RotationTrackLL240min 
LowLevel Rotation Tracks 02km AGL (240 min. accum.) 
1/s 
RotationTrackLL30min 
LowLevel Rotation Tracks 02km AGL (30 min. accum.) 
1/s 
RotationTrackLL360min 
LowLevel Rotation Tracks 02km AGL (360 min. accum.) 
1/s 
RotationTrackLL60min 
LowLevel Rotation Tracks 02km AGL (60 min. accum.) 
1/s 
BTOT 
Magnetic Field Magnitude 
T 
MTHA 
Main thermocline anomaly 
m 
MTHD 
Main thermocline depth 
m 
LMH 
Mass Point Model Surface 

MAXAH 
Maximum absolute humidity 
kg/m^3 
MAXAH 
Maximum Absolute Humidity 
kg m3 
MACAT 
Maximum Cloud Air Turbulence Potential 
mm 
REFC 
Maximum/Composite radar reflectivity 
dB 
MTHE 
Maximum equivalent potential temperature level 

MTHE 
Maximum Equivalent Potential Temperature level 

MESH 
Maximum Estimated Size of Hail (MESH) 
mm 
MAIP 
Maximum Icing Potential 
mm 
MAXWH 
Maximum Individual Wave Height 
m 
PRPMax 
Maximum Precipitation Return Period 
year 
QPEFFGMax 
Maximum QPEtoFFG Ratio 
% 
MAXRH 
Maximum relative humidity 
% 
MAXRH 
Maximum Relative Humidity 
% 
MXSALB 
Maximum snow albedo 
% 
MXSALB 
Maximum Snow Albedo 
% 
MXSALB 
Maximum Snow Albedo* 
% 
QMAX 
Maximum specific humidity at 2m 
kg/kg 
TMAX 
Maximum temperature 
K 
MWSL 
Maximum Wind Level 

MAXWS 
Maximum wind speed 
m/s 
MACTP 
Max inCloud Turbulence Potential 
mm 
MECAT 
Mean Cloud Air Turbulence Potential 
mm 
MEI 
Mean Icing Potential 
mm 
MECTP 
Mean inCloud Turbulence Potential 
mm 
MWSPER 
Mean period of combined wind waves and swell 
s 
SWPER 
Mean period of swell waves 
s 
WVPER 
Mean period of wind waves 
s 
MSL 
Mean Sea Level 
Pa 
M2SPW 
Mean square slope of waves 

MZPTSW 
Mean ZeroCrossing Period of The Total Swell 
s 
MZPWW 
Mean ZeroCrossing Period of The Wind Waves 
s 
MZWPER 
Mean ZeroCrossing Wave Period 
s 
MCDC 
Medium cloud cover 
% 
MergedBaseReflectivityQC 
Merged Base Reflectivity 
dBZ 
MergedReflectivityAtLowestAltitude 
Merged Reflectivity At Lowest Altitude (RALA) 
dBZ 
VGWD 
Meridional flux of gravity wave stress 
N/m^2 
VGWD 
Meridional Flux of Gravity Wave Stress 
N/m^2 
MESHTrack120min 
MESH Tracks (120 min. accum.) 
mm 
MESHTrack1440min 
MESH Tracks (1440 min. accum.) 
mm 
MESHTrack240min 
MESH Tracks (240 min. accum.) 
mm 
MESHTrack30min 
MESH Tracks (30 min. accum.) 
mm 
MESHTrack360min 
MESH Tracks (360 min. accum.) 
mm 
MESHTrack60min 
MESH Tracks (60 min. accum.) 
mm 
MCBL 
Middle cloud bottom level 

MCBL 
Middle Cloud Bottom Level 

MCLY 
Middle Cloud Layer 

MCY 
Middle cloud layer 

MCY 
Middle Cloud Layer 

MCTL 
Middle cloud top level 

MCTL 
Middle Cloud Top Level 

MergedAzShear36kmAGL 
MidLevel Azimuthal Shear (36km AGL) 
1/s 
RotationTrackML120min 
MidLevel Rotation Tracks 36km AGL (120 min. accum.) 
1/s 
RotationTrackML1440min 
MidLevel Rotation Tracks 36km AGL (1440 min. accum.) 
1/s 
RotationTrackML240min 
MidLevel Rotation Tracks 36km AGL (240 min. accum.) 
1/s 
RotationTrackML30min 
MidLevel Rotation Tracks 36km AGL (30 min. accum.) 
1/s 
RotationTrackML360min 
MidLevel Rotation Tracks 36km AGL (360 min. accum.) 
1/s 
RotationTrackML60min 
MidLevel Rotation Tracks 36km AGL (60 min. accum.) 
1/s 
RSMIN 
Minimal stomatal resistance 
s/m 
DEPMN 
Minimum dew point depression 
K 
MINRH 
Minimum Relative Humidity 
% 
QMIN 
Minimum specific humidity at 2m 
kg/kg 
TMIN 
Minimum temperature 
K 
Entire Atmosphere 
Missing200 
200 
MIXHT 
mixed layer depth 
m 
MIXHT 
Mixed Layer Depth 
m 
MIXL 
Mixed Layer Depth 
m 
MLYNO 
Model Layer number (From bottom up) 

MTHT 
Model terrain height 
m 
MRCONO 
Moderate risk convective outlook 
categorical 
MSTAV 
Moisture availability 
% 
UFLX 
Momentum flux, u component 
N/m^2 
VFLX 
Momentum flux, v component 
N/m^2 
MNTSF 
Montgomery stream function 
m^2/s^2 
MSLET 
MSLP (Eta model reduction) 
Pa 
MSLPM 
MSLP (MAPS System Reduction) 
Pa 
NLGSP 
Natural Log of Surface Pressure 
ln(kPa) 
NBDSF 
Near IR Beam Downward Solar Flux 
W/m^2 
NBSALB 
Near IR, Black Sky Albedo 
% 
NDDSF 
Near IR Diffuse Downward Solar Flux 
W/m^2 
NWSALB 
Near IR, White Sky Albedo 
% 
AOHFLX 
Net AirOcean Heat Flux 
W/m^2 
NLWRCS 
Net LongWave Radiation Flux, Clear Sky 
W/m^2 
NLWRS 
Net long wave radiation flux (surface) 
W/m^2 
NLWRT 
Net long wave radiation flux (top of atmosphere) 
W/m^2 
NLWRF 
Net LongWave Radiation Flux 
W/m^2 
NSWRFCS 
Net ShortWave Radiation Flux, Clear Sky 
W/m^2 
NSWRS 
Net shortwave radiation flux (surface) 
W/m^2 
NSWRT 
Net shortwave radiation flux (top of atmosphere) 
W/m^2 
NSWRF 
Net Short Wave Radiation Flux 
W/m^2 
NTAT 
Nominal Top of the Atmosphere 

CDLYR 
Nonconvective cloud cover 
% 
CDLYR 
NonConvective Cloud Cover nondim 
% CD 
NWSTR 
Normalised Waves Stress 

NDVI 
Normalized Difference Vegetation Index 

NCIP 
Number concentration for ice particles 

NCIP 
Number concentration for ice particles 
nondim 
MIXLY 
Number of mixed layers next to surface 
integer 
NPIXU 
Number Of Pixels Used 
Numeric 
RLYRS 
Number of soil layers in root zone 
nondim 
RLYRS 
Number of soil layers in root zone 
Numeric 
RLYRS 
Number of soil layers in root zone 

OHC 
Ocean Heat Content 
J/m^2 
OITL 
Ocean Isotherm Level (1/10 deg C) 
C 
NONE 
Ocean Isotherm Level 
1/10 ℃ 
OITL 
Ocean Isotherm Level 
1/10 ℃ 
NONE 
Ocean Mixed Layer 

OML 
Ocean Mixed Layer 

P2OMLT 
Ocean Mixed Layer Potential Density (Reference 2000m) 
kg/m^3 
OMLU 
Ocean Mixed Layer U Velocity 
m/s 
OMLV 
Ocean Mixed Layer V Velocity 
m/s 
ELEV 
Ocean Surface Elevation Relative to Geoid 
m 
OMGALF 
Omega (Dp/Dt) divide by density 
K 
EWATR 
Open water evaporation (standing water) 
W/m^2 
OSD 
Ordered Sequence of Data 

OSEQ 
Ordered Sequence of Data 

OZCON 
Ozone Concentration (PPB) 
PPB 
OZMAX1 
Ozone Daily Max from 1hour Average 
ppbV 
OZMAX8 
Ozone Daily Max from 8hour Average 
ppbV 
O3MR 
Ozone Mixing Ratio 
kg * kg^1 
O3MR 
Ozone mixing ratio 
kg/kg 
O3MR 
Ozone Mixing Ratio 
kg/kg 
POZO 
Ozone production from col ozone term 
kg/kg/s 
POZT 
Ozone production from temperature term 
kg/kg/s 
POZ 
Ozone production 
kg/kg/s 
TOZ 
Ozone tendency 
kg/kg/s 
VDFOZ 
Ozone vertical diffusion 
kg/kg/s 
SIGPAR 
Parallel Conductivity 
S*m^1 
PRATMP 
Parallel Temperature 
K 
PLI 
Parcel lifted index (to 500 mb) 
K 
PLSMDEN 
Particle Number Density 
m^3 
PMTC 
Particulate matter (coarse) 
mg * m^3 
PMTC 
Particulate matter (coarse) 
mm*g/m^3 
LPMTF 
Particulate matter (fine) 
log10(mg * m^3) 
LPMTF 
Particulate matter (fine) 
log10(mm*g/m^3) 
PMTF 
Particulate matter (fine) 
mg * m^3 
PMTF 
Particulate matter (fine) 
mm*g/m^3 
PPERTS 
Peak Period of The Total Swell 
s 
PPERWW 
Peak Period of The Wind Waves 
s 
PWPER 
Peak Wave Period 
s 
SIGPED 
Pedersen Conductivity 
S*m^1 
CPOFP 
Percent frozen precipitation 
% 
PCTP1 
Percent pcpn in 1st 6h subperiod of 24 hr period 
% 
PCTP2 
Percent pcpn in 2nd 6h subperiod of 24 hr period 
% 
PCTP3 
Percent pcpn in 3rd 6h subperiod of 24 hr period 
% 
PCTP4 
Percent pcpn in 4th 6h subperiod of 24 hr period 
% 
PPSUB 
Percent precipitation in a subperiod of an overall period (Encoded as per cent accumulation over the subperiod) 
% 
PMAXWH 
Period of Maximum Individual Wave Height 
s 
PRPTMP 
Perpendicular Temperature 
K 
PHOTAR 
Photosynthetically Active Radiation 
W/m^2 
PIXST 
Pixel scene type 
(Code table 4.218) 
BLD 
Planetary Boundary Layer 

HPBL 
Planetary boundary layer height 
m 
HPBL 
Planetary Boundary Layer Height 
m 
PLBL 
Planetary Boundary Layer 

PBLR 
Planetary boundary layer regime 
(Code table 4.209) 
PBLREG 
Planetary Boundary Layer Regime 
See Table 4.209 
CNWAT 
Plant canopy surface water 
mm 
PDMAX1 
PM 2.5 Daily Max from 1hour Average 
ug/m^3 
PDMAX24 
PM 2.5 Daily Max from 24hour Average 
ug/m^3 
PEVAP 
Potential Evaporation 
kg m2 
PEVAP 
Potential evaporation 
mm 
PEVAP 
Potential Evaporation 
mm 
PEVPR 
Potential Evaporation Rage 
W/m^2 
PEVPR 
Potential evaporation rate 
W/m^2 
PEVPR 
Potential Evaporation Rate 
W m2 
THZ0 
Potential temperature at top of viscous sublayer 
K 
POT 
Potential temperature 
K 
POT 
Potential temperature (theta) 
K 
PV 
Potential vorticity 
K *m^2 *kg^1 *s^1 
PV 
Potential vorticity 
K *m^2* kg^1 *s^1 
PVL 
Potential Vorticity 
K * m^2/kg^1*s^1 
PVORT 
Potential vorticity 
K * m^2 * kg^1* s^1 
PVMWW 
Potential Vorticity (MassWeighted) 
m/s 
PWC 
Precipitable water category 
(Code table 4.202) 
PWCAT 
Precipitable Water Category 
See Table 4.202 
P WAT 
Precipitable Water 
kg m2 
PWAT 
Precipitable water 
mm 
PRCP 
Precipitation 
mm 
PRATE 
Precipitation Rate 
kg m2 s1 
PRATE 
Precipitation rate 
mm / s 
PTYPE 
Precipitation type 
(Code table 4.201) 
PTYPE 
Precipitation Type 
See Table 4.201 
PR 
Precip rate 
mm/hr 
(See note 3) 
Predominant Weather 
Numeric 
PWTHER 
Predominant Weather 
Numeric (See note 3) 
PALT 
Pressure altitude 
m 
PRESA 
Pressure anomaly 
Pa 
PCBB 
Pressure at Cumulonimbus Bas 
Pa 
PCBT 
Pressure at Cumulonimbus To 
Pa 
PECBB 
Pressure at Embedded Cumulonimbus Bas 
Pa 
PECBT 
Pressure at Embedded Cumulonimbus To 
Pa 
PRESDEV 
Pressure deviation from ground to level 
Pa 
PRESD 
Pressure deviation from mean sea level 
Pa 
PRESN 
Pressure (nearest grid point) 
Pa 
PLPL 
Pressure of level from which parcel was lifted 
Pa 
PLPL 
Pressure of most parcel with highest thetae in lowest 300 mb 
Pa 
P 
Pressure 
Pa 
PRES 
Pressure 
Pa 
PRES 
Pressure 
Pa 
PRMSL 
Pressure reduced to MSL 
Pa 
PTEND 
Pressure tendency 
Pa/s 
DIRPW 
Primary wave direction 
Degree 
PERPW 
Primary wave mean period 
s 
POP 
Probability of 0.01 inches of precipitation 
% 
POP 
Probability of 0.01 inch of precipitation (POP) 
% 
PROCON 
Probability of Convection 
% 
PPFFG 
Probability of Excessive Rain 
% 
CPOZP 
Probability of Freezing Precipitation 
% 
PFREZPREC 
Probability of Freezing Precipitation 
% 
CPOFP 
Probability of Frozen Precipitation 
% 
PFROZPREC 
Probability of Frozen Precipitation 
% 
PPFFG 
Probability of precipitation exceeding flash flood guidance values 
% 
POSH 
Probability of Severe Hail (POSH) 
% 
WarmRainProbability 
Probability of Warm Rain 
% 
CWR 
Probability of Wetting Rain, exceeding in 0.10” in a given time period 
% 
PTAN 
Prob of Temperature above normal 
% 
PTBN 
Prob of Temperature below normal 
% 
PTNN 
Prob of Temperature near normal 
% 
PPAN 
Prob of Total Precipitation above normal 
% 
PPBN 
Prob of Total Precipitation below normal 
% 
PPNN 
Prob of Total Precipitation near normal 
% 
PROTDEN 
Proton Density 
m^3 
DIFPFLUX 
Proton Flux (Differential) 
(m^2*s*sr*eV)^1 
INTPFLUX 
Proton Flux (Integral) 
(m^2*s*sr)^1 
PROTTMP 
Proton Temperature 
K 
EPOT 
Pseudoadiabatic potential temperature or equivalent potential temperature 
K 
MountainMapperQPE12H 
QPE  Mountain Mapper (12 hr. accum.) 
mm 
MountainMapperQPE01H 
QPE  Mountain Mapper (1 hr. accum.) 
mm 
MountainMapperQPE24H 
QPE  Mountain Mapper (24 hr. accum.) 
mm 
MountainMapperQPE03H 
QPE  Mountain Mapper (3 hr. accum.) 
mm 
MountainMapperQPE48H 
QPE  Mountain Mapper (48 hr. accum.) 
mm 
MountainMapperQPE06H 
QPE  Mountain Mapper (6 hr. accum.) 
mm 
MountainMapperQPE72H 
QPE  Mountain Mapper (72 hr. accum.) 
mm 
GaugeOnlyQPE12H 
QPE  Radar Gauge Only (12 hr. accum.) 
mm 
GaugeOnlyQPE01H 
QPE  Radar Gauge Only (1 hr. accum.) 
mm 
GaugeOnlyQPE24H 
QPE  Radar Gauge Only (24 hr. accum.) 
mm 
GaugeOnlyQPE03H 
QPE  Radar Gauge Only (3 hr. accum.) 
mm 
GaugeOnlyQPE48H 
QPE  Radar Gauge Only (48 hr. accum.) 
mm 
GaugeOnlyQPE06H 
QPE  Radar Gauge Only (6 hr. accum.) 
mm 
GaugeOnlyQPE72H 
QPE  Radar Gauge Only (72 hr. accum.) 
mm 
RadarOnlyQPE12H 
QPE  Radar Only (12 hr. accum.) 
mm 
RadarOnlyQPE01H 
QPE  Radar Only (1 hr. accum.) 
mm 
RadarOnlyQPE24H 
QPE  Radar Only (24 hr. accum.) 
mm 
RadarOnlyQPE03H 
QPE  Radar Only (3 hr. accum.) 
mm 
RadarOnlyQPE48H 
QPE  Radar Only (48 hr. accum.) 
mm 
RadarOnlyQPE06H 
QPE  Radar Only (6 hr. accum.) 
mm 
RadarOnlyQPE72H 
QPE  Radar Only (72 hr. accum.) 
mm 
GaugeCorrQPE12H 
QPE  Radar with Gauge Bias Correction (12 hr. accum.) 
mm 
GaugeCorrQPE01H 
QPE  Radar with Gauge Bias Correction (1 hr. accum.) 
mm 
GaugeCorrQPE24H 
QPE  Radar with Gauge Bias Correction (24 hr. accum.) 
mm 
GaugeCorrQPE03H 
QPE  Radar with Gauge Bias Correction (3 hr. accum.) 
mm 
GaugeCorrQPE48H 
QPE  Radar with Gauge Bias Correction (48 hr. accum.) 
mm 
GaugeCorrQPE06H 
QPE  Radar with Gauge Bias Correction (6 hr. accum.) 
mm 
GaugeCorrQPE72H 
QPE  Radar with Gauge Bias Correction (72 hr. accum.) 
mm 
PrecipRate 
Radar Precipitation Rate (SPR) 
mm/hr 
RadarQualityIndex 
Radar Quality Index (RQI) 

RDSP1 
Radar spectra (1) 

RDSP2 
Radar spectra (2) 

RDSP3 
Radar spectra (3) 

RDLNUM 
Radial number (2pi/lambda) 
m1 
SWRAD 
Radiance (with respect to wave length) 
W * m^3 *sr^1 
LWRAD 
Radiance (with respect to wave number) 
W * m^1 *sr^1 
EPSR 
Radiative emissivity 

EPSR 
Radiative emissivity 
mm 
FRAIN 
Rain fraction of total cloud water 
Proportion 
FRAIN 
Rain Fraction of Total Liquid Water 

FRAIN 
Rain Fraction of Total Liquid Water 
nondim 
FRAIN 
Rain Fraction of Total Liquid Water 
Proportion 
RWMR 
Rain Mixing Ratio 
kg kg1 
RWMR 
Rain mixing ratio 
kg/kg 
RPRATE 
Rain Precipitation Rate 
kg m2s1 
RPRATE 
Rain Precipitation Rate 
mm/s 
RDRIP 
Rate of water dropping from canopy to ground 
unknown 
ground 
Rate of water dropping from canopy to 
RDRIP 
MergedReflectivityComposite 
Raw Composite Reflectivity Mosaic 
dBZ 
MergedBaseReflectivity 
Raw Merged Base Reflectivity 
dBZ 
RFL06 
Reflectance in 0.6 Micron Channel 
% 
RFL08 
Reflectance in 0.8 Micron Channel 
% 
RFL16 
Reflectance in 1.6 Micron Channel 
% 
RFL39 
Reflectance in 3.9 Micron Channel 
% 
Reflectivity0C 
Reflectivity at 0C 
dBZ 
ReflectivityM10C 
Reflectivity at 10C 
dBZ 
ReflectivityM15C 
Reflectivity at 15C 
dBZ 
REFD 
Reflectivity at 1 km AGL 
dB 
ReflectivityM20C 
Reflectivity at 20C 
dBZ 
ReflectivityM5C 
Reflectivity at 5C 
dBZ 
ReflectivityAtLowestAltitude 
Reflectivity At Lowest Altitude (RALA) 
dBZ 
REFD 
Reflectivity 
dB 
RAZA 
Relative Azimuth Angle 
Degree 
RELD 
Relative divergence 
s^1 
REV 
Relative Error Variance 

RH 
Relative humidity 
% 
R H 
Relative Humidity 
% 
RHPW 
Relative Humidity with Respect to Precipitable Water 
% 
RELV 
Relative vorticity 
s^1 
RSSC 
Remotely sensed snow cover 
(Code table 4.215) 
RI 
Richardson number 
Numeric 
RI 
Richardson Number 
Numeric 
FRIME 
Rime Factor 

RIME 
Rime Factor 
nondim 
RIME 
Rime factor 
Numeric 
RIME 
Rime Factor 
Numeric 
RIME 
Rime Factor 

SFCRH 
Roughness length for heat 
m 
SALTY 
Salinity 
kg/kg 
SLTFL 
Salt Flux 
mm*s 
SATD 
Saturation deficit 
Pa 
SAT D 
Saturation Deficit 
Pa 
SATOSM 
Saturation Of Soil Moisture 
kg/m^3 
SCALB 
Scaled albedo 
Numeric 
SCBT 
Scaled brightness temperature 
Numeric 
SCCTP 
Scaled cloud top pressure 
Numeric 
SCLI 
Scaled lifted index 
Numeric 
SCPW 
Scaled precipitable water 
Numeric 
SCRAD 
Scaled radiance 
Numeric 
SCST 
Scaled skin temperature 
Numeric 
SCESTUWIND 
Scatterometer Estimated U Wind Component 
m/s 
SCESTVWIND 
Scatterometer Estimated V Wind Component 
m/s 
SCINT 
Scintillation 
Numeric 
SEAB 
Sea Bottom 

SeamlessHSR 
Seamless Hybrid Scan Reflectivity (SHSR) 
dBZ 
SeamlessHSRHeight 
Seamless Hybrid Scan Reflectivity (SHSR) Height 
km 
SSHG 
Sea Surface Height Relative to Geoid 
m 
DIRSW 
Secondary wave direction 
Degree 
PERSW 
Secondary wave mean periods 
s 
s 
Seconds prior to initial reference time (defined in Section 1) 
TSEC 
TSEC 
Seconds prior to initial reference time 
s 
TSEC 
Seconds Prior To Initial Reference Time 
s 
SHTFL 
Sensible heat net flux 
W/m^2 
SHI 
Severe Hail Index (SHI) 

SCBL 
Shallow convective cloud bottom level 

SCBL 
Shallow Convective Cloud Bottom Level 

SCCBT 
Shallow Convective Cloud Bottom Level 

SCCTL 
Shallow Convective Cloud Top Level 

SCTL 
Shallow convective cloud top level 

SCTL 
Shallow Convective Cloud Top Level 

SHAHR 
Shallow Convective Heating rate 
K/s 
SHAMR 
Shallow Convective Moistening Rate 
kg kg1 s1 
SHAMR 
Shallow Convective Moistening Rate 
kg/kg*s 
SWAVR 
Short wave radiation flux 
W/m^2 
SGCVV 
Sigma coordinate vertical velocity 
s^1 
SIGL 
Sigma Level 

SHAILPRO 
Significant Hail probability 
% 
SIGHAILPROB 
Significant Hail probability 
% 
HTSGW 
Significant height of combined wind waves and swell 
m 
SWELL 
Significant height of swell waves 
m 
WVHGT 
Significant height of wind waves (m) 
m 
SIGTRNDPROB 
Significant Tornado probability 
% 
STORPROB 
Significant Tornado probability 
% 
SIGWINDPROB 
Significant Wind probability 
% 
SWINDPRO 
Significant Wind probability Silt loam 
% 
SBC123 
Simulated Brightness Counts for GOES 12, Channel 3 
Byte 
SBC124 
Simulated Brightness Counts for GOES 12, Channel 4 
Byte 
SBTA1610 
Simulated Brightness Temperature for ABI GOES16, Band10 
K 
SBTA1611 
Simulated Brightness Temperature for ABI GOES16, Band11 
K 
SBTA1612 
Simulated Brightness Temperature for ABI GOES16, Band12 
K 
SBTA1613 
Simulated Brightness Temperature for ABI GOES16, Band13 
K 
SBTA1614 
Simulated Brightness Temperature for ABI GOES16, Band14 
K 
SBTA1615 
Simulated Brightness Temperature for ABI GOES16, Band15 
K 
SBTA1616 
Simulated Brightness Temperature for ABI GOES16, Band16 
K 
SBTA167 
Simulated Brightness Temperature for ABI GOES16, Band7 
K 
SBTA168 
Simulated Brightness Temperature for ABI GOES16, Band8 
K 
SBTA169 
Simulated Brightness Temperature for ABI GOES16, Band9 
K 
SBTA1710 
Simulated Brightness Temperature for ABI GOES17, Band10 
K 
SBTA1711 
Simulated Brightness Temperature for ABI GOES17, Band11 
K 
SBTA1712 
Simulated Brightness Temperature for ABI GOES17, Band12 
K 
SBTA1713 
Simulated Brightness Temperature for ABI GOES17, Band13 
K 
SBTA1714 
Simulated Brightness Temperature for ABI GOES17, Band14 
K 
SBTA1715 
Simulated Brightness Temperature for ABI GOES17, Band15 
K 
SBTA1716 
Simulated Brightness Temperature for ABI GOES17, Band16 
K 
SBTA177 
Simulated Brightness Temperature for ABI GOES17, Band7 
K 
SBTA178 
Simulated Brightness Temperature for ABI GOES17, Band8 
K 
SBTA179 
Simulated Brightness Temperature for ABI GOES17, Band9 
K 
AMSRE10 
Simulated Brightness Temperature for AMSRE on Aqua, Channel 10 
K 
AMSRE11 
Simulated Brightness Temperature for AMSRE on Aqua, Channel 11 
K 
AMSRE12 
Simulated Brightness Temperature for AMSRE on Aqua, Channel 12 
K 
AMSRE9 
Simulated Brightness Temperature for AMSRE on Aqua, Channel 9 
K 
SBT112 
Simulated Brightness Temperature for GOES 11, Channel 2 
K 
SBT113 
Simulated Brightness Temperature for GOES 11, Channel 3 
K 
SBT114 
Simulated Brightness Temperature for GOES 11, Channel 4 
K 
SBT115 
Simulated Brightness Temperature for GOES 11, Channel 5 
K 
SBT122 
Simulated Brightness Temperature for GOES 12, Channel 2 
K 
SBT123 
Simulated Brightness Temperature for GOES 12, Channel 3 
K 
SBT124 
Simulated Brightness Temperature for GOES 12, Channel 4 
K 
SBT125 
Simulated Brightness Temperature for GOES 12, Channel 5 
K 
SBT124 
Simulated Brightness Temperature for GOES E Infrared 
K 
SBT123 
Simulated Brightness Temperature for GOES E Water Vapor 
K 
SBT114 
Simulated Brightness Temperature for GOES W Infrared 
K 
SBT113 
Simulated Brightness Temperature for GOES W Water Vapor 
K 
SRFA161 
Simulated Reflectance Factor for ABI GOES16, Band1 

SRFA162 
Simulated Reflectance Factor for ABI GOES16, Band2 

SRFA163 
Simulated Reflectance Factor for ABI GOES16, Band3 

SRFA164 
Simulated Reflectance Factor for ABI GOES16, Band4 

SRFA165 
Simulated Reflectance Factor for ABI GOES16, Band5 

SRFA166 
Simulated Reflectance Factor for ABI GOES16, Band6 

SRFA171 
Simulated Reflectance Factor for ABI GOES17, Band1 

SRFA172 
Simulated Reflectance Factor for ABI GOES17, Band2 

SRFA173 
Simulated Reflectance Factor for ABI GOES17, Band3 

SRFA174 
Simulated Reflectance Factor for ABI GOES17, Band4 

SRFA175 
Simulated Reflectance Factor for ABI GOES17, Band5 

SRFA176 
Simulated Reflectance Factor for ABI GOES17, Band6 

SKTMP 
Skin Temperature 
K 
SRCONO 
Slight risk convective outlook 
categorical 
SSGSO 
Slope Of SubGrid Scale Orography 
Numeric 
SNOAG 
Snow age 
day 
SNOAG 
Snow Age 
day 
SALBD 
Snow Albedo 
% 
SCE 
Snow Cover by elevation (snow=0252,neither=253,clouds=254) 
dm 
SCP 
Snow Cover 
% 
SC 
Snow Cover (snow=250,clouds=100,neither=50) 

SNOWC 
Snow cover 
% 
SNOWC 
Snow Cover 
% 
SDEN 
Snow Density 
kg m3 
SDEN 
Snow Density 
kg/m^3 
SNOD 
Snow depth 
m 
SNO D 
Snow Depth 
m 
SDWE 
Snow Depth Water Equivalent 
kg m2 
SDWE 
Snow Depth Water Equivalent 
mm 
SEVAP 
Snow Evaporation 
kg m2 
SEVAP 
Snow Evaporation 
mm 
SRWEQ 
Snowfall Rate Water Equivalent 
kg m2 s1 
SRWEQ 
Snowfall rate water equivalent 
mm / s 
SNFALB 
Snow free albedo 
% 
SNFALB 
SnowFree Albedo 
% 
SNO M 
Snow Melt 
kg m2 
SNOM 
Snow melt 
mm 
SNMR 
Snow Mixing Ratio 
kg kg1 
SNMR 
Snow mixing ratio 
kg/kg 
SNOHF 
Snow phase change heat flux 
W/m^2 
SNOHF 
Snow Phase Change Heat Flux 
W/m^2 
SPRATE 
Snow Precipitation Rate 
kg m2s1 
SPRATE 
Snow Precipitation Rate 
mm/s 
SNOWT 
Snow temperature, depthavg 
K 
SNOT 
Snow temperature 
K 
SNO T 
Snow temperature 
K 
SNOT 
Snow Temperature 
K 
SCE 
Snow water equivalent 
cm 
SWEPN 
Snow water equivalent percent of normal 
% 
SOILM 
Soil moisture content 
mm 
SOILM 
Soil Moisture 
kg/m^3 
RCSOL 
Soil moisture parameter in canopy conductance 
Fraction 
RCSOL 
Soil moisture parameter in canopy conductance 
Proportion 
SOILP 
Soil Porosity 
m^3/m^3 
POROS 
Soil porosity 
Proportion 
TSOIL 
Soil temperature 
K 
SOTYP 
Soil type 
index 
EUVIRR 
Solar EUV Irradiance 
W*m^2 
RCS 
Solar parameter in canopy conductance 
Fraction 
RCS 
Solar parameter in canopy conductance 
Proportion 
SP 
Solar photosphere 

SWHR 
Solar Radiative Heating Rate 
K/s 
SOLRF 
Solar Radio Emissions 
W*m^2*Hz^1 
SPECIRR 
Solar Spectral Irradiance 
W*m^2*n*m^1 
XLONG 
Solar Xray Flux (XRS Long) 
W*m^2 
XSHRT 
Solar Xray Flux (XRS Short) 
W*m^2 
SOLZA 
Solar Zenith Angle 
Degree 
AMSL 
Specific Altitude Above Mean Sea Level 
m 
QZ0 
Specific humidity at top of viscous sublayer 
kg/kg 
SPF H 
Specific Humidity 
kg kg1 
SPFH 
Specific humidity 
kg/kg 
HTGL 
Specified Height Level Above Ground 
m 
SRCS 
Specified radius from the center of the Sun 
m 
DWWW 
Spectal directional width of the wind waves 

SPFTR 
Spectral Peakedness Factor 
s^1 
SICED 
Speed of ice drift 
m/s 
SPRDF 
Spread F 
m 
HSTDV 
Standard deviation of height 
m 
SDSGSO 
Standard Deviation Of SubGrid Scale Orography 
m 
TSD1D 
Standard Dev. of IR Temp. over 1x1 deg. area 
K 
HLCY 
Storm relative helicity 
J/kg 
SSRUN 
Storm surface runoff 
mm 
SURGE 
Storm Surge 
m 
STPA 
Storm total precip accum 
mm 
STRM 
Stream function 
m^2/s 
SBSNO 
Sublimation (evaporation from snow) 
W m2 
SBSNO 
Sublimation (evaporation from snow) 
W/m^2 
SUN 
Sunshine duration (ECMWF proposal, not WMO approved) 
s 
SUNSD 
Sunshine Duration 
s 
SUNS 
SunShine 
Numeric 
SIPD 
Supercooled Large Droplet Icing 
mm 
SIPD 
Supercooled Large Droplet (SLD) Icing 
See Table 4.207See Note (1) 
SLDP 
Supercooled Large Droplet (SLD) Probabilitysee note 1 
% 
SLDP 
Supercooled Large Droplet (SLD) Probability 
% 
SuperLayerCompositeReflectivity 
Super Layer Composite Reflectivity (3360 kft) 
dBZ 
AKHS 
Surface exchange coefficients for T and Q divided by delta z 
m/s 
AKMS 
Surface exchange coefficients for U and V divided by delta z 
m/s 
LFTX 
Surface Lifted Index 
K 
SLI 
Surface lifted index 
K 
PrecipType 
Surface Precipitation Type (SPT) 

SFCR 
Surface roughness 
m 
SSST 
Surface Salinity Trend 
psu per day 
SLTYP 
Surface Slope Type 
Index 
ModelSurfaceTemperature 
Surface Temperature 
C 
SSTT 
Surface Temperature Trend 
degree per day 
SSTOR 
Surface water storage 
mm 
Surge 
Surge Height 
m 
SX 
Sweat index 
Numeric 
TMPA 
Temperature anomaly 
K 
T 
Temperature 
K 
TMP 
Temperature 
K 
TMPSWP 
Temperature 
K 
RCT 
Temperature parameter in canopy conductance 
Fraction 
RCT 
Temperature parameter in canopy conductance 
Proportion 
TTDIA 
Temperature Tendency By All Physics 
K/s 
TTRAD 
Temperature tendency by all radiation 
K*s^1 
TTRAD 
Temperature tendency by all radiation 
K/s 
TTPHY 
Temperature Tendency By Nonradiation Physics 
K/s 
WTEND 
Tendency of vertical velocity The Associated Legendre Functions of the first kind are defined by 
m/s^2 
MASK 
Thematic Mask 
Numeric 
THICK 
Thickness 
m 
TSC 
Thunderstorm coverage 
(Code table 4.204) 
TSMT 
Thunderstorm maximum tops 
m 
TSTM 
Thunderstorm probability 
% 
TSTM 
Thunderstorm Probability 
% 
TACONCP 
Timeintegrated air concentration of caesium pollutant 
Bq*s/m^3 
TACONIP 
Timeintegrated air concentration of iodine pollutant 
Bq*s/m^3 
TACONRDP 
Timeintegrated air concentration of radioactive pollutant 
Bq*s/m^3 
PTOR 
Tornado probability 
% 
TORPROB 
Tornado probability 
% 
TRNDPROB 
Tornado probability 
% 
TCDC 
Total cloud cover 
% 
TCOLI 
Total columnintegrated cloud ice 
mm 
TCOLI 
Total ColumnIntegrated Cloud Ice 
mm 
TCOLW 
Total columnintegrated cloud water 
mm 
TCOLW 
Total ColumnIntegrated Cloud Water 
mm 
TCOLC 
Total columnintegrated condensate 
mm 
TCOLC 
Total ColumnIntegrated Condensate 
mm 
TCOLM 
Total columnintegrated melting ice 
kg m2 
TCOLM 
Total columnintegrated melting ice 
mm 
TCIOZ 
Total Column Integrated Ozone 
Dobson 
TCOLR 
Total Column Integrated Rain 
kg m2 
TCOLR 
Total column integrated rain 
mm 
TCOLR 
Total Column Integrated Rain 
mm 
TCOLS 
Total Column Integrated Snow 
kg m2 
TCOLS 
Total column integrated snow 
mm 
TCOLS 
Total Column Integrated Snow 
mm 
TCLSW 
Total columnintegrated supercooled liquid water 
kg m2 
TCLSW 
Total columnintegrated supercooled liquid water 
mm 
TCIWV 
Total Column Integrated Water Vapour 
kg m2 
TCIWV 
Total Column Integrated Water Vapour 
mm 
TCOLG 
Total Column Integrate Graupel 
kg/m^2 
TCWAT 
Total Column Water (Vertically integrated total water (vapour+cloud water/ice) 
kg m2 
TCWAT 
Total Column Water(Vertically integrated total water (vapour+cloud water/ice) 
mm 
TCOND 
Total Condensate 
kg * kg^1 
TCOND 
Total condensate 
kg/kg 
TCOND 
Total Condensate 
kg/kg 
THFLX 
Total Downward Heat Flux at Surface 
W/m^2 
TIPD 
Total Icing Potential Diagnostic 
nondim 
TIPD 
Total Icing Potential Diagnostic 

TOZNE 
Total ozone 
Dobson 
A PCP 
Total Precipitation 
kg m2 
APCP 
Total precipitation 
mm 
APCPN 
Total precipitation (nearest grid point) 
kg/m2 
APCPN 
Total precipitation (nearest grid point) 
mm 
TPRATE 
Total Precipitation Rate 
kg m2s1 
TPRATE 
Total Precipitation Rate 
mm/s 
PRSIGSV 
Total Probability of Extreme Severe Thunderstorms (Days 2,3) 
% 
PRSIGSVR 
Total Probability of Extreme Severe Thunderstorms (Days 2,3) 
% 
PRSVR 
Total Probability of Severe Thunderstorms (Days 2,3) 
% 
ASNOW 
Total Snowfall 
m 
TOTSN 
Total snowfall 
m 
TSRATE 
Total Snowfall Rate 
m s1 
TSRATE 
Total Snowfall Rate 
m/s 
TSRWE 
Total Snowfall Rate Water Equivalent 
kg m2s1 
TSRWE 
Total Snowfall Rate Water Equivalent 
mm/s 
TSNOW 
Total Snow 
kg/m2 
TSNOW 
Total Snow 
mm 
TSNOWP 
Total Snow Precipitation 
kg m2 
TSNOWP 
Total Snow Precipitation 
mm 
TTX 
Total totals index 
K 
TWATP 
Total Water Precipitation 
kg m2 
TWATP 
Total Water Precipitation 
mm 
TTHDP 
Transient thermocline depth 
m 
TRANSO 
Transpiration StreeOnset(Soil Moisture) 
kg/m^3 
SMREF 
Transpiration stressonset (soil moisture) 
Proportion 
TRANS 
Transpiration 
W/m^2 
TCHP 
Tropical Cyclone Heat Potential 
J/m^2*K 
TRO 
Tropopause 

TRBBS 
Turbulence base 
m 
TURBB 
Turbulence Base 
m 
TURB 
Turbulence 
(Code table 4.208) 
TPFI 
Turbulence Potential Forecast Index 

TURB 
Turbulence 
See Table 4.208 
TRBTP 
Turbulence top 
m 
TURBT 
Turbulence Top 
m 
TKE 
Turbulent Kinetic Energy 
J kg1 
TKE 
Turbulent kinetic energy 
J/kg 
UOGRD 
ucomponent of current 
cm/s 
UOGRD 
ucomponent of current 
m/s 
MAXUW 
U Component of Hourly Maximum 10m Wind Speed 
m/s 
UICE 
ucomponent of ice drift 
m/s 
UGUST 
ucomponent of wind gust 
m/s 
UGRD 
ucomponent of wind 
m/s 
USTM 
Ucomponent storm motion 
m/s 
USTM 
UComponent Storm Motion 
m/s 
USSD 
Ucomponent Surface Stokes Drift 
m/s 
UVI 
Ultra Violet Index 
J/m^2 
UPHL 
Updraft Helicity in Layer 25 km AGL 
m^2/s^2 
UPHL 
Updraft Helicity 
m^2/s^2 
ULSM 
Upper layer soil moisture 
kg/m^3 
ULST 
Upper layer soil temperature 
K 
ULWRF 
Upward LongWave Rad. Flux 
W/m^2 
ULWRF 
Upward longwave radiation flux Upward LongW/m^2 
W/m^2 ULWRF 
USWRF 
Upward ShortWave Rad. Flux 
W/m^2 
USWRF 
Upward shortwave radiation flux Upward ShortW/m^2 
W/m^2 USWRF 
UTRF 
Upward Total radiation Flux 
W/m^2 
DUVB 
UVB downward solar flux 
W/m^2 
UVI 
UV Index 
J/m^2 
UVIUCS 
UV Index (Under Clear Sky) 
Numeric 
VAPP 
Vapor pressure 
Pa 
VAPP 
Vapor Pressure 
Pa 
VOGRD 
vcomponent of current 
cm/s 
VOGRD 
vcomponent of current 
m/s 
MAXVW 
V Component of Hourly Maximum 10m Wind Speed 
m/s 
VICE 
vcomponent of ice drift 
m/s 
UGUST 
vcomponent of wind gust 
m/s 
VGRD 
vcomponent of wind 
m/s 
VSTM 
Vcomponent storm motion 
m/s 
VSTM 
VComponent Storm Motion 
m/s 
VSSD 
Vcomponent Surface Stokes Drift 
m/s 
VEGT 
Vegetation canopy temperature 
K 
VGTYP 
Vegetation Type 
Integer 013 
VEG 
Vegetation 
% 
SPEED 
Velocity Magnitude (Speed) 
m*s^1 
LMV 
Velocity Point Model Surface 

VPOT 
Velocity potential 
m^2/s 
VRATE 
Ventilation Rate 
m^2/s 
VDFHR 
Vertical Diffusion Heating rate 
K/s 
VDFVA 
Vertical Diffusion Meridional Acceleration 
m/s^2 
VDFMR 
Vertical Diffusion Moistening Rate 
kg/kg*s 
VDFUA 
Vertical Diffusion Zonal Acceleration 
m/s^2 
VEDH 
Vertical Eddy Diffusivity Heat exchange 
m^2/s 
VTEC 
Vertical Electron Content 
m^2 
VII 
Vertically Integrated Ice (VII) 
kg/m^2 
VILIQ 
Verticallyintegrated liquid 
kg/m^2 
MRMSVILDensity 
Vertically Integrated Liquid (VIL) Density 
g/m^3 
MRMSVIL 
Vertically Integrated Liquid (VIL) 
kg/m^2 
VIL 
Vertically Integrated Liquid (VIL) 
kg/m^2 
VWSH 
Vertical speed shear 
s^1 
VWSH 
Vertical speed sheer 
s^1 
VUCSH 
Vertical ucomponent shear 
s^1 
VVCSH 
Vertical vcomponent shear 
s^1 
DZDT 
Vertical velocity geometric 
m/s 
VVEL 
Vertical velocity pressure 
Pa/s 
VPTMP 
Virtual potential temperature 
K 
VTMP 
Virtual temperature 
K 
VIS 
Visibility 
m 
VBDSF 
Visible Beam Downward Solar Flux 
W/m^2 
SBSALB 
Visible, Black Sky Albedo 
% 
VDDSF 
Visible Diffuse Downward Solar Flux 
W/m^2 
Visible 
Visible Imagery 

SWSALB 
Visible, White Sky Albedo 
% 
VASH 
Volcanic ash 
(Code table 4.206) 
VAFTD 
Volcanic Ash Forecast Transport and Dispersion 
log10(kg/m^3) 
VOLASH 
Volcanic Ash 
See Table 4.206 
VOLDEC 
Volumetric Direct Evaporation Cease(Soil Moisture) 
m^3/m^3 
VSOSM 
Volumetric Saturation Of Soil Moisture 
m^3/m^3 
SOILW 
Volumetric soil moisture content 
Proportion 
VSOILM 
Volumetric Soil Moisture 
m^3/m^3 
VOLTSO 
Volumetric Transpiration StreeOnset(Soil Moisture) 
m^3/m^3 
VWILTM 
Volumetric Wilting Moisture 
m^3/m^3 
WCINC 
Water condensate added by precip assimilation 
mm 
WCCONV 
Water Condensate Flux Convergance (Vertical Int) 
mm 
WCVFLX 
Water Condensate Meridional Flux (Vertical Int) 
mm 
WCUFLX 
Water Condensate Zonal Flux (Vertical Int) 
mm 
WEASD 
Water Equivalent of Accumulated Snow Depth 
kg m2 
WEASD 
Water equivalent of accumulated snow depth 
mm 
WATR 
Water runoff 
mm 
TEMPWTR 
Water temperature 
K 
WVINC 
Water vapor added by precip assimilation 
mm 
WVCONV 
Water Vapor Flux Convergance (Vertical Int) 
mm 
WaterVapor 
Water Vapor Imagery 
K 
WVVFLX 
Water Vapor Meridional Flux (Vertical Int) 
mm 
WVUFLX 
Water Vapor Zonal Flux (Vertical Int) 
mm 
WDIRW 
Wave Directional Width 

WESP 
Wave Engery Spectrum 
s/m^2 
WVSP1 
Wave spectra (1) 

WVSP2 
Wave spectra (2) 

WVSP3 
Wave spectra (3) 

WSTP 
Wave Steepness 

WSTR 
Wave Stress 
N/m^2 
wxType 
Weather 

ModelWetbulbTemperature 
Wet Bulb Temperature 
C 
WHTCOR 
White Light Coronagraph Radiance 
W*s*r^1*m^2 
WHTRAD 
White Light Radiance 
W*s*r^1*m^2 
WILT 
Wilting Point 
kg/m^3 
WILT 
Wilting point 
Proportion 
WCI 
Wind chill factor 
K 
WDIR 
Wind direction (from which blowing) 
deg 
WMIXE 
Wind mixing energy 
J 
WINDPROB 
Wind probability 
% 
WINDPROB 
Wind Probability 
% 
WGS 
Wind speed gust 
m/s 
PWS 
Wind speed 
m/s 
WIND 
Wind speed 
m/s 
HGT X 
Xgradient of Height 
m^1 
LPS X 
Xgradient of Log Pressure 
m^1 
XRAYRAD 
XRay Radiance 
W*s*r^1*m^2 
HGT Y 
Ygradient of Height 
m^1 
LPS Y 
Ygradient of Log Pressure 
m^1 
UGWD 
Zonal flux of gravity wave stress 
N/m^2 
UGWD 
Zonal Flux of Gravity Wave Stress 
N/m^2 