A complete description of variables can be downloaded here (PDF).

 2-Dimensional Surface Variables

Temperature:

  • Average anemometer temperature (TA)
  • Average maximum anemometer temperature (TAMAX)
  • Average minimum anemometer temperature (TAMIN)
  • Absolute maximum anemometer temperature (TAMAXA)
  • Absolute minimum anemometer temperature (TAMINA)
  • Average ground temperature (TG)
  • Average maximum ground temperature (TGMAX)
  • Average minimum ground temperature (TGMIN)
  • Average foliage temperature (TF)
  • Number of days with TA < 0ºC (T0)
  • Number of days with TA > 33ºC (T33)
  • Growing degree days, base 10ºC (GDD10)
  • Growing degree days base 5ºC (GDD5)
  • Cooling degree days base 22ºC (CDD)
  • Heating degree days base 15.5ºC (HDD)

Radiation:

  • Solar radiation incident at the surface (SWI)
  • Net solar radiation absorbed (SWN)
  • Downward longwave radiation (LWD)
  • Net longwave radiation (LWN)
  • Sensible heat flux (SH)

Water Balance:

  • Evapotranspiration (ET)
  • Total precipitation (RT)
  • Total convective precipitation in RT (RC)
  • Number of precipitation events < 2 mm per 6h (3h) period (P2)
  • Number of precipitation events 2 < P < 10 mm per 6h (3h) period (P2_P10)
  • Number of precipitation events 10 < P < 25 mm per 6h (3h) period (P10_P25)
  • Number of precipitation events 25 < P < 50 mm per 6h (3h) period (P25_P50)
  • Number of precipitation events 50 < P < 100 mm per 6h (3h) period (P50_P100)
  • Number of precipitation events P > 100 mm per 6h (3h) period (P100)
  • Convection Precipitation < 1 mm per 6h (3h) period (CA1)
  • Convection Precipitation > 1 mm per 6h (3h) period (CA2)
  • Snow water equivalent (SNOW)
  • Anemometer specific humidity (QA)
  • Anemometer relative humidity (RHA)
  • Surface runoff from soil model (RNFS)
  • Base flow from soil model, (RB)
  • Top layer soil model moisture (RMT)
  • Root Layer soil model moisture (SMR)
  • Total runoff (pseudo hydrograph) (TOTRNF)

Atmosphere:

  • Anemometer eastward wind (U)
  • Anemometer northward wind (V)
  • Number of 3-hr wind velocity events > 6ms-1 (UMAG6)
  • Maximum 10 m wind speed (W10MX)
  • Planetary boundary layer height (ZPBL)
  • Surface drag stress (DRAG)
  • Surface pressure (PSRF)
  • Minimum surface pressure (PSMIN)
  • Sea level pressure (SLP)
  • Total cloud fraction (TOTCLD)

3-Dimensional Variables on Atmospheric Pressure Levels 

  • Cloud water mixing ratio (QC_p)
  • Atmospheric mixing ratio (QD_p)
  • Relative humidity (RH_p)
  • Dew point temperature (TD_p)
  • Horizontal divergence (DIV_p)
  • Geopotential height (HGT_p)
  • Potential temperature (TH_p)
  • Atmospheric temperature (T_p)
  • Eastward wind (U_p)
  • Northward wind (V_p)
  • Horizontal vorticity (VOR_p)
  • Moist static energy (MSE_p)
  • Omega (OMEGA_p)