moist_air_poisson_exponent#

metpy.calc.moist_air_poisson_exponent(specific_humidity)[source]#

Calculate kappa_m, the Poisson exponent for a moist air parcel.

Parameters:

specific_humidity (pint.Quantity)

Returns:

pint.Quantity – Poisson exponent of moist air parcel

Examples

>>> from metpy.calc import moist_air_poisson_exponent
>>> from metpy.units import units
>>> moist_air_poisson_exponent(11 * units('g/kg'))
<Quantity(0.284955757, 'dimensionless')>

See also

moist_air_gas_constant, moist_air_specific_heat_pressure