| GRIB code
| NCEP name
| Units
| NCEP description
| CF Standard Name
|
| NCEP | CF
|
| 1 | PRES | Pa | Pa | Pressure | air_pressure
|
| 2 | PRMSL | Pa | Pa | Pressure reduced to MSL | air_pressure_at_sea_level
|
| 3 | PTEND | Pa/s | Pa s-1 | Pressure tendency | tendency_of_air_pressure
|
| 5 | ICAHT | M |
| ICAO Standard Atmosphere Reference Hgt |
|
| 6 | GP | m2/s2 | m2 s-2 | Geopotential | geopotential
|
| 7 | HGT | gpm | m | Geopotential height | geopotential_height
|
| 8 | DIST | m | m | Geometric height | altitude
|
| 9 | HSTDV | m |
| Standard deviation of height |
|
| 10 | TOZNE | Dobson | m | Total ozone | equivalent_thickness_at_stp_of_atmosphere_o3_content
|
| 11 | TMP | K | K | Temperature | air_temperature
|
| 12 | VTMP | K | K | Virtual temperature | virtual_temperature
|
| 13 | POT | K | K | Potential temperature | air_potential_temperature
|
| 14 | EPOT | K | K | Pseudo-adiabatic or equivalent potential temperature | pseudo_equivalent_potential_temperature
|
| 15 | T MAX | K | K | Maximum temperature | air_temperature with a cell_methods attribute including
time: maximum within days.
|
| 16 | T MIN | K | K | Minimum temperature | air_temperature with a cell_methods attribute including
time: minimum within days.
|
| 17 | DPT | K | K | Dew point temperature | dew_point_temperature
|
| 18 | DEPR | K | K | Dew point depression (or deficit) | dew_point_depression
|
| 19 | LAPR | K/m | K m-1 | Lapse rate | air_temperature_lapse_rate
|
| 20 | VIS | m | m | Visibility | visibility_in_air
|
| 21 | RDSP1 | - |
| Radar Spectra (1) |
|
| 22 | RDSP2 | - |
| Radar Spectra (2) |
|
| 23 | RDSP3 | - |
| Radar Spectra (3) |
|
| 24 | PLI | K |
| Parcel lifted index (to 500 hPa) |
|
| 25 | TMP A | K | K | Temperature anomaly | air_temperature_anomaly
|
| 26 | PRESA | Pa | Pa | Pressure anomaly | air_pressure_anomaly
|
| 27 | GP A | gpm | m | Geopotential height anomaly | geopotential_height_anomaly
|
| 28 | WVSP1 | - |
| Wave Spectra (1) |
|
| 29 | WVSP2 | - |
| Wave Spectra (2) |
|
| 30 | WVSP3 | - |
| Wave Spectra (3) |
|
| 31 | WDIR | deg true | degree | Wind direction (from which blowing) | wind_from_direction
|
| 32 | WIND | m/s | m s-1 | Wind speed | wind_speed
|
| 33 | U GRD | m/s | m s-1 | u-component of wind | eastward_wind
|
| 34 | V GRD | m/s | m s-1 | v-component of wind | northward_wind
|
| 35 | STRM | m2/s | m2 s-1 | Stream function | atmosphere_horizontal_streamfunction
|
| 36 | V POT | m2/s | m2 s-1 | Velocity potential | atmosphere_horizontal_velocity_potential
|
| 37 | MNTSF | m2/s2 |
| Montgomery stream function |
|
| 38 | SGCVV | /s | s-1 | Sigma coord. vertical velocity | vertical_air_velocity_expressed_as_tendency_of_sigma
|
| 39 | V VEL | Pa/s | Pa s-1 | Pressure Vertical velocity | vertical_air_velocity_expressed_as_tendency_of_pressure
|
| 40 | DZDT | m/s | m s-1 | Geometric Vertical velocity | upward_air_velocity
|
| 41 | ABS V | /s | s-1 | Absolute vorticity | atmosphere_absolute_vorticity
|
| 42 | ABS D | /s |
| Absolute divergence |
|
| 43 | REL V | /s | s-1 | Relative vorticity | atmosphere_relative_vorticity
|
| 44 | REL D | /s | s-1 | Relative divergence | divergence_of_wind
|
| 45 | VUCSH | /s | s-1 | Vertical u-component shear | eastward_wind_shear
|
| 46 | VVCSH | /s | s-1 | Vertical v-component shear | northward_wind_shear
|
| 47 | DIR C | deg true | degree | Direction of current | direction_of_sea_water_velocity
|
| 48 | SP C | m/s | m s-1 | Speed of current | sea_water_speed
|
| 49 | UOGRD | m/s | m s-1 | u-component of current | eastward_sea_water_velocity
|
| 50 | VOGRD | m/s | m s-1 | v-component of current | northward_sea_water_velocity
|
| 51 | SPF H | kg/kg | 1 | Specific humidity | specific_humidity
|
| 52 | R H | % | 1 | Relative humidity | relative_humidity
|
| 53 | MIXR | kg/kg | 1 | Humidity mixing ratio | humidity_mixing_ratio
|
| 54 | P WAT | kg/m2 | kg m-2 | Precipitable water | atmosphere_water_vapour_content
|
| 55 | VAPP | Pa | Pa | Vapor pressure | water_vapour_pressure
|
| 56 | SAT D | Pa | Pa | Saturation deficit | water_vapour_saturation_deficit
|
| 57 | EVP | kg/m2 | kg m-2 | Evaporation | water_evaporation_amount
|
| 58 | C ICE | kg/m2 | kg m-2 | Cloud Ice | atmosphere_cloud_ice_content
|
| 59 | PRATE | kg/m2/s | kg m-2 s-1 | Precipitation rate | precipitation_flux
|
| 60 | TSTM | % | 1 | Thunderstorm probability | thunderstorm_probability
|
| 61 | A PCP | kg/m2 | kg m-2 | Total precipitation | precipitation_amount
|
| 62 | NCPCP | kg/m2 | kg m-2 | Large scale precipitation (non-conv.) | large_scale_precipitation_amount
|
| 63 | ACPCP | kg/m2 | kg m-2 | Convective precipitation | convective_precipitation_amount
|
| 64 | SRWEQ | kg/m2/s | kg m-2 s-1 | Snowfall rate water equivalent | snowfall_flux
|
| 65 | WEASD | kg/m2 | kg m-2 | Water equiv. of accum. snow depth | surface_snow_amount
|
| 66 | SNO D | m | m | Snow depth | surface_snow_thickness
|
| 67 | MIXHT | m | m | Mixed layer depth | ocean_mixed_layer_thickness
|
| 68 | TTHDP | m |
| Transient thermocline depth |
|
| 69 | MTHD | m |
| Main thermocline depth |
|
| 70 | MTH A | m |
| Main thermocline anomaly |
|
| 71 | T CDC | % | 1 | Total cloud cover | cloud_area_fraction
|
| 72 | CDCON | % | 1 | Convective cloud cover | convective_cloud_area_fraction
|
| 73 | L CDC | % | 1 | Low cloud cover | low_cloud_area_fraction
|
| 74 | M CDC | % | 1 | Medium cloud cover | medium_cloud_area_fraction
|
| 75 | H CDC | % | 1 | High cloud cover | high_cloud_area_fraction
|
| 76 | C WAT | kg/m2 | kg m-2 | Cloud water | atmosphere_cloud_condensed_water_content
|
| 77 | BLI | K |
| Best lifted index (to 500 hPa) |
|
| 78 | SNO C | kg/m2 | kg m-2 | Convective snow | convective_snowfall_amount
|
| 79 | SNO L | kg/m2 | kg m-2 | Large scale snow | large_scale_snowfall_amount
|
| 80 | WTMP | K | K | Water Temperature | sea_water_temperature
|
| 81 | LAND | fraction | 1 | Land-sea mask(land=1;sea=0) | land_area_fraction
|
| 82 | DSL M | m | m | Deviation of sea level from mean | sea_surface_height_above_sea_level
|
| 83 | SFC R | m | m | Surface roughness | surface_roughness_length
|
| 84 | ALBDO | % | 1 | Albedo | surface_albedo
|
| 85 | TSOIL | K | K | Soil temperature | soil_temperature
|
| 86 | SOIL M | kg/m2 | kg m-2 | Soil moisture content | soil_moisture_content
|
| 87 | VEG | % | 1 | Vegetation | vegetation_area_fraction
|
| 88 | SALTY | kg/kg | 1e-3 | Salinity | sea_water_salinity
|
| 89 | DEN | kg/m3 | kg m-3 | Density | density
|
| 90 | WATR | kg/m2 | kg m-2 | Water runoff | surface_runoff_amount
|
| 91 | ICE C | fraction | 1 | Ice concentration (ice=1;no ice=0) | sea_ice_area_fraction
|
| 92 | ICETK | m | m | Ice thickness | sea_ice_thickness
|
| 93 | deg. true DICED |
| degree | Direction of ice drift | direction_of_sea_ice_velocity
|
| 94 | SICED | m/s | m s-1 | Speed of ice drift | sea_ice_speed
|
| 95 | U ICE | m/s | m s-1 | u-component of ice drift | sea_ice_eastward_velocity
|
| 96 | V ICE | m/s | m s-1 | v-component of ice drift | sea_ice_northward_velocity
|
| 97 | ICE G | m/s | m s-1 | Ice growth rate | tendency_of_sea_ice_thickness_due_to_thermodynamics
|
| 98 | ICE D | /s | s-1 | Ice divergence | divergence_of_sea_ice_velocity
|
| 99 | SNO M | kg/m2 | kg m-2 | Snow melt | surface_snow_melt_amount
|
| 100 | HTSGW | m | m | Significant height of combined wind waves and swell | significant_height_of_wind_and_swell_waves
|
| 101 | WVDIR | deg true | degree | Direction of wind waves (from which) | direction_of_wind_wave_velocity
|
| 102 | WVHGT | m | m | Significant height of wind waves | significant_height_of_wind_waves
|
| 103 | WVPER | s | s | Mean period of wind waves | wind_wave_period
|
| 104 | SWDIR | deg true | degree | Direction of swell waves | direction_of_swell_wave_velocity
|
| 105 | SWELL | m | m | Significant height of swell waves | significant_height_of_swell_waves
|
| 106 | SWPER | s | s | Mean period of swell waves | swell_wave_period
|
| 107 | DIRPW | deg true |
| Primary wave direction |
|
| 108 | PERPW | s |
| Primary wave mean period |
|
| 109 | DIRSW | deg true |
| Secondary wave direction |
|
| 110 | PERSW | s |
| Secondary wave mean period |
|
| 111 | NSWRS | W/m2 | W m-2 | Net short-wave radiation (surface) | surface_net_upward_shortwave_flux
|
| 112 | NLWRS | W/m2 | W m-2 | Net long wave radiation (surface) | surface_net_upward_longwave_flux
|
| 113 | NSWRT |
| W m-2 | Net short-wave radiation (top of atmos.) W/m2 | toa_net_upward_shortwave_flux
|
| 114 | NLWRT | W/m2 | W m-2 | Net long wave radiation (top of atmos.) | toa_net_upward_longwave_flux
|
| 115 | LWAVR | W/m2 | W m-2 | Long wave radiation | net_upward_longwave_flux_in_air
|
| 116 | SWAVR | W/m2 | W m-2 | Short wave radiation | net_upward_shortwave_flux_in_air
|
| 117 | G RAD | W/m2 | W m-2 | Global radiation | surface_downwelling_shortwave_flux
|
| 118 | BRTMP | K | K | Brightness temperature | brightness_temperature
|
| 119 | LWRAD | W/srm2 ? |
| Long-wave radiation? |
| 120 | SWRAD | W/srm2 ? |
| Short-wave radiation? |
| 121 | LHTFL | W/m2 | W m-2 | Latent heat net flux | surface_upward_latent_heat_flux
|
| 122 | SHTFL | W/m2 | W m-2 | Sensible heat net flux | surface_upward_sensible_heat_flux
|
| 123 | BLYDP | W/m2 |
| Boundary layer dissipation |
|
| 124 | U FLX | N/m2 | Pa | Momentum flux, u component | downward_eastward_momentum_flux_in_air
|
| 125 | V FLX | N/m2 | Pa | Momentum flux, v component | downward_northward_momentum_flux_in_air
|
| 126 | WMIXE | J | W m-2 | Wind mixing energy | wind_mixing_energy_flux_into_ocean
|
| 127 | IMG D |
|
| Image data |
|
| 128 | MSLSA | Pa |
| Mean Sea Level Pressure (Standard Atmosphere Reduction) |
|
| 129 | MSLMA | Pa |
| Mean Sea Level Pressure (MAPS System Reduction) |
|
| 130 | MSLET | Pa |
| Mean Sea Level Pressure (ETA Model Reduction) |
|
| 131 | LFT X | K |
| Surface lifted index |
|
| 132 | 4LFTX | K |
| Best (4 layer) lifted index |
|
| 133 | K X | K |
| K index |
|
| 134 | S X | K |
| Sweat index |
|
| 135 | MCONV | kg/kg/s |
| Horizontal moisture divergence |
|
| 136 | VW SH | 1/s | s-1 | Vertical speed shear | wind_speed_shear
|
| 137 | TSLSA | Pa/s |
| 3-hr pressure tendency (Std. Atmos. Reduction) |
|
| 138 | BVF 2 | 1/s2 |
| Brunt-Vaisala frequency (squared) |
|
| 139 | PV MW | 1/s/m |
| Potential vorticity (density weighted) |
|
| 140 | CRAIN | (yes=1; no=0) |
| Categorical rain |
|
| 141 | CFRZR | (yes=1; no=0) |
| Categorical freezing rain |
|
| 142 | CICEP | (yes=1; no=0) |
| Categorical ice pellets |
|
| 143 | CSNOW | (yes=1; no=0) |
| Categorical snow |
|
| 144 | SOILW | fraction |
| Volumetric soil moisture content |
|
| 145 | PEVPR | W/m**2 |
| Potential evaporation rate |
|
| 146 | CWORK | J/kg |
| Cloud workfunction |
|
| 147 | U-GWD | N/m**2 |
| Zonal flux of gravity wave stress |
|
| 148 | V-GWD | N/m**2 |
| Meridional flux of gravity wave stress |
|
| 149 | PV | m**2/s/kg |
| Potential vorticity |
|
| 150 | COVMZ | m2/s2 |
| Covariance
between meridional and zonal components of the wind. Defined as [uv]-[u][v],
where "[]" indicates the mean over the indicated time span. |
|
| 151 | COVTZ1 | K*m/s |
| Covariance
between temperature and zonal component of the wind. Defined as [uT]-[u][T],
where "[]" indicates the mean over the indicated time span. |
|
| 152 | COVTM | K*m/s |
| Covariance
between temperature and meridional component of the wind. Defined as [vT]-[v][T],
where "[]" indicates the mean over the indicated time span. |
|
| 153 | CLWMR | Kg/kg |
| Cloud water |
|
| 154 | O3MR | Kg/kg |
| Ozone mixing ratio |
|
| 155 | GFLUX | W/m2 |
| Ground Heat Flux |
|
| 156 | CIN | J/kg |
| Convective inhibition |
|
| 157 | CAPE | J/kg |
| Convective Available Potential Energy |
|
| 158 | TKE | J/kg |
| Turbulent Kinetic Energy |
|
| 159 | CONDP | Pa |
| Condensation pressure of parcel lifted from indicated surface |
|
| 160 | CSUSF | W/m2 |
| Clear Sky Upward Solar Flux |
|
| 161 | CSDSF | W/m2 |
| Clear Sky Downward Solar Flux |
|
| 162 | CSULF | W/m2 |
| Clear Sky upward long wave flux |
|
| 163 | CSDLF | W/m2 |
| Clear Sky downward long wave flux |
|
| 164 | CFNSF | W/m2 |
| Cloud forcing net solar flux |
|
| 165 | CFNLF | W/m2 |
| Cloud forcing net long wave flux |
|
| 166 | VBDSF | W/m2 |
| Visible beam downward solar flux |
|
| 167 | VDDSF | W/m2 |
| Visible diffuse downward solar flux |
|
| 168 | NBDSF | W/m2 |
| Near IR beam downward solar flux |
|
| 169 | NDDSF | W/m2 |
| Near IR diffuse downward solar flux |
|
| 172 | M FLX | N/m2 |
| Momentum flux |
|
| 173 | LMH | non-dim |
| Mass point model surface |
|
| 174 | LMV | non-dim |
| Velocity point model surface |
|
| 175 | MLYNO | non-dim |
| Model layer number (from bottom up) |
|
| 176 | NLAT | deg |
| latitude (-90 to +90) |
|
| 177 | ELON | deg |
| east longitude (0-360) |
|
| 181 | LPS X | 1/m |
| x-gradient of log pressure |
|
| 182 | LPS Y | 1/m |
| y-gradient of log pressure |
|
| 183 | HGT X | m/m |
| x-gradient of height |
|
| 184 | HGT Y | m/m |
| y-gradient of height |
|
| 189 | VPTMP | K |
| Virtual potential temperature |
|
| 190 | HLCY | m2/s2 |
| Storm relative helicity |
|
| 191 | PROB | numeric |
| Probability from ensemble |
|
| 192 | PROBN | numeric |
| Probability from ensemble normalized with respect to climate expectancy |
|
| 193 | POP | % |
| Probability of precipitation |
|
| 194 | CPOFP | % |
| Probability of frozen precipitation |
|
| 195 | CPOZP | % |
| Probability of freezing precipitation |
|
| 196 | USTM | m/s |
| u-component of storm motion |
|
| 197 | VSTM | m/s |
| v-component of storm motion |
|
| 201 | ICWAT | % |
| Ice-free water surface |
|
| 204 | DSWRF | W/m2 |
| downward short wave rad. flux |
|
| 205 | DLWRF | W/m2 |
| downward long wave rad. flux |
|
| 206 | UVI | J/m2 |
| Ultra violet index (1 hour integration centered at solar noon) |
|
| 207 | MSTAV | % |
| Moisture availability |
|
| 208 | SFEXC | (kg/m3)(m/s) |
| Exchange coefficient |
|
| 209 | MIXLY | integer |
| No. of mixed layers next to surface |
|
| 211 | USWRF | W/m2 |
| upward short wave rad. flux |
|
| 212 | ULWRF | W/m2 |
| upward long wave rad. flux |
|
| 213 | CDLYR | % |
| Amount of non-convective cloud |
|
| 214 | CPRAT | kg/m2/s |
| Convective Precipitation rate |
|
| 215 | TTDIA | K/s |
| Temperature tendency by all physics |
|
| 216 | TTRAD | K/s |
| Temperature tendency by all radiation |
|
| 217 | TTPHY | K/s |
| Temperature tendency by non-radiation physics |
|
| 218 | PREIX | fraction |
| precip.index(0.0-1.00)(see note) |
|
| 219 | TSD1D | K |
| Std. dev. of IR T over 1x1 deg area |
|
| 220 | NLGSP | ln(kPa) |
| Natural log of surface pressure |
|
| 221 | HPBL | m |
| Planetary boundary layer height |
|
| 222 | 5WAVH | gpm |
| 5-wave geopotential height |
|
| 223 | C WAT | kg/m2 |
| Plant canopy surface water |
|
| 226 | BMIXL | m |
| Blackadar's mixing length scale |
|
| 227 | AMIXL | m |
| Asymptotic mixing length scale |
|
| 228 | PEVAP | kg/m2 |
| Potential evaporation |
|
| 229 | SNOHF | W/m2 |
| Snow phase-change heat flux |
|
| 231 | MFLUX | Pa/s |
| Convective cloud mass flux |
|
| 232 | DTRF | W/m2 |
| Downward total radiation flux |
|
| 233 | UTRF | W/m2 |
| Upward total radiation flux |
|
| 234 | BGRUN | kg/m2 |
| Baseflow-groundwater runoff |
|
| 235 | SSRUN | kg/m2 |
| Storm surface runoff |
|
| 237 | 03TOT | Kg/m2 |
| Total ozone |
|
| 238 | SNO C | percent |
| Snow cover |
|
| 239 | SNO T | K |
| Snow temperature |
|
| 241 | LRGHR | K/s |
| Large scale condensat. heat rate |
|
| 242 | CNVHR | K/s |
| Deep convective heating rate |
|
| 243 | CNVMR | kg/kg/s |
| Deep convective moistening rate |
|
| 244 | SHAHR | K/s |
| Shallow convective heating rate |
|
| 245 | SHAMR | kg/kg/s |
| Shallow convective moistening rate |
|
| 246 | VDFHR | K/s |
| Vertical diffusion heating rate |
|
| 247 | VDFUA | m/s2 |
| Vertical diffusion zonal acceleration |
|
| 248 | VDFVA | m/s2 |
| Vertical diffusion meridional accel |
|
| 249 | VDFMR | kg/kg/s |
| Vertical diffusion moistening rate |
|
| 250 | SWHR | K/s |
| Solar radiative heating rate |
|
| 251 | LWHR | K/s |
| long wave radiative heating rate |
|
| 252 | CD | non-dim |
| Drag coefficient |
|
| 253 | FRICV | m/s |
| Friction velocity |
|
| 254 | RI | non-dim. |
| Richardson number |