Meteorology
actvpr_mnmx_fao56 | Compute actual vapor pressure via equation 17 as described in FAO 56. |
actvpr_rhmean_fao56 | Compute actual vapor pressure via equation 19 as described in FAO 56. |
advect_variable | Use "highly accurate" spherical harmonics to estimate gradients and advect a variable horizontally on a global rectilinear grid. |
advect_variable_cfd | Using centered-finite_differences (cfd) to estimate gradients, advect a variable horizontally on a regional or global rectilinear grid. |
angmom_atm | Calculates the atmosphere's relative angular momentum. |
beta_dfdy_rossby | Compute the Rossby parameter [beta=df/dy] which is the meridional variation of the Coriolis parameter. |
brunt_vaisala_atm | Compute the Brunt-Vaisala frequency which is a measure of bouyancy in a continuously stratified atmosphere. |
coriolis_param | Calculate the Coriolis parameter. |
daylight_fao56 | Compute maximum number of daylight hours as described in FAO 56. |
dewtemp_trh | Calculates the dew point temperature given temperature and relative humidity. |
dpres_plevel | Calculates the pressure layer thicknesses of a constant pressure level coordinate system. |
eady_growth_rate | Compute the maximum Eady growth rate. |
enthalpy | Compute atmospheric enthalpy. |
epflux | Compute quasi-geostrophic Eliassen-Palm fluxes at isobaric levels using NCEP Reanalysis. |
fire_index_haines | Computes the Haines fire index (aka: Lower Atmosphere Severity Index) from a sounding. |
fluxEddy | Calculates time averaged eddy flux quantities. |
grad_latlon_cfd | Compute the meridional and zonal gradients of a variable on a global or limited area rectilinear grid. |
hydro | Computes geopotential height using the hydrostatic equation. |
hyi2hyo | Interpolates from data on one set of hybrid levels to another set of hybrid levels. |
hyi2hyo_Wrap | Interpolates from data on one set of hybrid levels to another set of hybrid levels and preserves metadata. |
kf_filter | Extract equatorial waves by filtering in the Wheeler-Kiladis wavenumber-frequency domain. |
latent_heat_water | Estimate latent heat flux for water: evaporization (condensation), melting (freezing) or sublimation (deposition). |
lclvl | Calculates the pressure of the lifting condensation level. |
mixhum_convert | Convert mixing ratio to specific humidity or vice-versa. |
mixhum_ptd | Calculates the mixing ratio or specific humidity given pressure and dew point temperature. |
mixhum_ptrh | Calculates the mixing ratio or specific humidity given pressure, temperature and relative humidity. |
netlw_fao56 | Compute longwave radiation as described in FAO 56. |
netsw_fao56 | Compute net shortwave radiation as described in FAO 56. |
omega_to_w | Convert omega vertical velocity (Pa/s) to (m/s). |
pot_temp | Compute potential temperature. |
pot_temp_equiv | Compute the equivalent potential temperature using an approximation which does not use the lifting condensation temperature. |
pot_temp_equiv_tlcl | Compute equivalent potential temperature using the lifting condensation temperature. |
pot_vort_hybrid | Compute potential vorticity on hybrid levels and a global grid. |
pot_vort_isobaric | Compute potential vorticity on isobaric levels and a global rectilinear grid. |
prcwater_dp | Computes total column precipitable water of the rightmost dimension. |
precip_rain_snow | Partition monthly precipitation totals into rain and snow amount using an empirical relationship. |
pres2hybrid | Interpolates data on constant pressure levels to hybrid levels. |
pres2hybrid_Wrap | Interpolates data on constant pressure levels to hybrid levels and retains metadata. |
pres_sigma | Calculates the pressure at specified sigma levels. |
prsatm_tz_fao56 | Compute atmospheric pressure as described in FAO 56. |
prsatm_z_fao56 | Compute atmospheric pressure using the approximation described in FAO 56: Chapter 3; equation 7. |
pslec | Computes sea level pressure from CCM/CAM hybrid model variables using the ECMWF formulation. |
pslhor | Computes sea level pressure from CCM/CAM hybrid model variables using the ECMWF formulation and Trenberth's horizontal correction. |
pslhyp | Computes sea level pressure using the hypsometric equation. |
psychro_fao56 | Computes the psychrometric constant [kPa/C] as described in FAO 56. |
qvector_isobaric | Use "highly accurate" spherical harmonics to derive the Q-vector components on a global grid. |
qvector_isobaric_cfd | Use centered finite differences to derive the Q-vector components on a global or regional grid. |
radext_fao56 | Compute extraterrestrial radiation for daily periods as described in FAO 56. |
radsol2_fao56 | Compute solar radiation from daily sunshine and day-of-year as described in FAO 56. |
radsol3_hargreaves_fao56 | Compute solar radiation derived from air temperature differences using Hargreaves method as described in FAO 56. |
radsol_clrsky_fao56 | Compute clear sky solar radiation as described in FAO 56. |
radsol_fao56 | Compute solar radiation via the 'Angstrom Formula' which uses extraterrestrial radiation and relative sunshine as described in FAO 56 (equation 35). |
rdsstoi | Reads weekly/monthly compocp site and climatology grids. |
refevt_hamon | Use the Hamon formulation to derive reference evapotranspiration. |
refevt_hargreaves_fao56 | Use the Hargreaves ETo equation to derive reference evapotranspiration as described in FAO 56. |
refevt_penman_fao56 | Use the full Penman-Monteith equation to derive reference evapotranspiration as described in FAO 56. |
refevt_turc | Use the Turc ETo formulation to derive reference evapotranspiration. |
refevt_turc_rh | Use the Turc ETo formulation with a correction for low relative humidity to derive reference evapotranspiration. |
relhum | Calculates relative humidity given temperature, mixing ratio, and pressure. |
relhum_ice | Calculates relative humidity with respect to ice, given temperature, mixing ratio, and pressure. |
relhum_ttd | Calculates relative humidity given temperature and dew point temperature. |
relhum_water | Calculates relative humidity with respect to water, given temperature, mixing ratio, and pressure. |
rhum_fao56 | Compute relative humidity as described in FAO 56. |
rigrad_bruntv_atm | Compute the atmospheric gradient Richardson number and, optionally, the Brunt-Vaisala, buoyancy and shear. |
satvpr_mean_fao56 | Compute mean saturation vapor pressure using minimum and maximum temperature temperature as described in FAO 56. |
satvpr_slope_fao56 | Compute the slope of the saturation vapor pressure curve as described in FAO 56. |
satvpr_tdew_fao56 | Compute actual saturation vapor pressure as described in FAO 56. |
satvpr_temp_fao56 | Compute saturation vapor pressure using temperature as described in FAO 56. |
satvpr_water_bolton | Estimate the saturation vapor pressure over water using Bolton's equation 10. |
satvpr_water_stipanuk | Estimate the saturation vapor pressure over water using the Stipanuk approximation. |
shear_stretch_deform | Using spherical harmonics, estimate the kinematic shear-deformation, stretch-deformation and total-deformation of a global horizontal (east-west) wind field. |
shear_stretch_deform_cfd | Using centered-finite-differences, estimate the kinematic shear-deformation, stretch-deformation and total-deformation of a global or regional horizontal (east-west) wind field. |
soil_heatflux_month_fao56 | Compute soil heat flux for monthly periods as described in FAO 56. |
static_energy_atm | Compute the atmospheric moist and dry static energy. |
static_stability | Compute static stability. |
stdatmus_p2tdz | Calculates the corresponding temperature, density, and height based on the 1976 U.S. standard atmosphere, given the pressure. |
stdatmus_z2tdp | Calculates the corresponding temperature, density, and pressure based on the 1976 U.S. standard atmosphere, given the height. |
tdew_actvpr_fao56 | Compute dew point temperature as a function of actual vapor pressure as described in FAO 56. |
temp_virtual | Compute atmospheric virtual temperature. |
thornthwaite | Estimate the potential evapotranspiration (PET) via the Thornthwaite method. |
tlcl_evp_bolton | Compute the lifting condensation level temperature using water vapor pressure. |
tlcl_mixr_bolton | Compute the lifting condensation level temperature using mixing ratio and pressure. |
tlcl_rh_bolton | Compute the lifting condensation level temperature using relative humidity. |
tlcl_td_bolton | Compute the lifting condensation level temperature using dew point temperature. |
u2_fao56 | Compute 2-meter wind speed (m/s) as described in FAO 56. |
uv2dv_cfd | Computes divergence using centered finite differences. |
uv2vr_cfd | Computes relative vorticity using centered finite differences. |
vapor_pres_rh | Compute vapor pressure given relative humidity (%) and saturation vapor pressure. |
vibeta | Performs vertical integration using beta factors. |
w_to_omega | Convert vertical velocity with units (m/s) to Pa/s. |
wetbulb | Compute wetbulb temperature. |
wetbulb_stull | Calculate wet bulb temperature at standard sea level pressure (1013.25 hPa) using the method of R.Stull. |
wgt_vertical_n | Calculates a weighted vertical average and/or sum (integral). |
wind_component | Calculate zonal and meridional wind components from wind speed and wind direction. |
wind_direction | Calculate meteorological wind direction from zonal and meridional wind components. |
wind_speed | Calculate wind speed from zonal and meridional wind components. |
wind_stats | Given a sequence of wind speeds and directions, compute assorted wind-related statistics including the standard deviation of the wind direction. |
z2geouv | Computes the geostrophic zonal and meridional wind components using geopotential height on isobaric levels (rectilinear grid only). |
zonal_mpsi | Computes a zonal mean meridional stream function. |
zonal_mpsi_Wrap | Computes a zonal mean meridional stream function and retains metadata. |