- metpy.calc.critical_angle(pressure, u, v, height, u_storm, v_storm)¶
Calculate the critical angle.
The critical angle is the angle between the 10m storm-relative inflow vector and the 10m-500m shear vector. A critical angle near 90 degrees indicates that a storm in this environment on the indicated storm motion vector is likely ingesting purely streamwise vorticity into its updraft, and [Esterheld2008] showed that significantly tornadic supercells tend to occur in environments with critical angles near 90 degrees.
pint.Quantity) – Pressures from sounding
pint.Quantity) – U-component of sounding winds
pint.Quantity) – V-component of sounding winds
pint.Quantity) – Heights from sounding
pint.Quantity) – U-component of storm motion
pint.Quantity) – V-component of storm motion
pint.Quantity– Critical angle in degrees
Only functions on 1D profiles (not higher-dimension vertical cross sections or grids). Since this function returns scalar values when given a profile, this will return Pint Quantities even when given xarray DataArray profiles.
Changed in version 1.0: Renamed