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Home > Research > Ifsdocs > TECHNICAL >  
   


IFS documentation front page


Table of contents




Chapter 1. Technical overview

Chapter 2. FULL-POS post-processing and interpolation

Chapter 3. Parallel implementation

REFERENCES


 
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2.1 Post-processable fields.




Post-processing can be made on pressure levels, height levels, potential vorticity levels, potential temperature levels or -levels.


2.1.1 3D dynamical fields (DYN3D).


  •   01) Geopotential .
  •   02) Temperature .
  •   03 and 04) Horizontal wind components and .
  •   05) Specific humidity (moisture) .
  •   06) Relative humidity .
  •   07) Ice content .
  •   08) Pressure coordinate vertical velocity .
  •   09) Relative vorticity .
  •   10) Divergence .
  •   11) Potential temperature .
  •   12) Velocity potential (has to be fitted).
  •   13) Stream function (has to be fitted).
  •   14) Liquid water content .
  •   15) Moist (irreversible) pseudo-adiabatic potential temperature .
  •   16) Cloud fraction .
  •   17) Wind velocity.
  •   18) Equivalent potential temperature .
  •   19) Absolute vorticity .
  •   20) Stretching deformation .
  •   21) Shearing deformation .
  •   22) Potential vorticity .
  •   23) Wet potential vorticity .
  •   24 to 26) Passive scalars (maximum of three).
  •   27) Pressure .
  •   28 to 30) Possibility to post-process three additional free upper air fields nr 1 to 3 (METEO- FRANCE and ECMWF).
  •   31 to 43) Possibility to post-process 13 additional free upper air fields nr 4 to 16 (ECMWF only).


2.1.2 2D dynamical fields (DYN2D).


  •   01) Surface pressure .
  •   02) Mean sea level pressure .
  •   03) Interpolated (spectral) model orography.
  •   04) Mapping factor .
  •   05) Tropopause folding indicator of the iso-2 PVU surface.
  •   06) ICAO jet zonal component of wind.
  •   07) ICAO jet meridian component of wind.
  •   08) Position of ICAO jet in pressure vertical coordinate.
  •   09) Position of ICAO tropopause in pressure vertical coordinate.
  •   10) ICAO tropopause temperature.
  •   11) Logarithm of surface pressure (at ECMWF only).


Remark about fields 06) to 10): at ECMWF they are replaced by some optional surface fields.


2.1.3 Surface physical fields (PHYSOL) used both at METEO-FRANCE and ECMWF.


  •   01) Land/sea mask.
  •   02) (Output grid-point orography) .
  •   03) Surface temperature.
  •   04) Deep soil temperature.
  •   05) Interpolated surface temperature.
  •   06) Surface soil wetness.
  •   07) Deep soil wetness.
  •   08) Relaxation deep soil wetness.
  •   09) Climatological relative surface soil wetness.
  •   10) Climatological relative deep soil wetness.
  •   11) Snow depth.
  •   12) (Surface roughness) .
  •   13) (Roughness length of bare surface) .
  •   14) Albedo.
  •   15) Emissivity.
  •   16) (Standard deviation of orography) .
  •   17) Percentage of vegetation.
  •   18) Percentage of land.
  •   19) Anisotropy coefficient of topography.
  •   20) Direction of main axis of topography.


2.1.4 Additional surface physical fields (PHYSOL) used only at ECMWF.


  •   21) Soil first level temperature.
  •   22) Soil first level wetness.
  •   23) Soil second level temperature.
  •   24) Soil second level wetness.
  •   25) Soil third level temperature.
  •   26) Soil third level wetness.
  •   27) Soil fourth level temperature.
  •   28) Soil fourth level wetness.
  •   29) Temperature of snow layer.
  •   30) Anisotropy of surface orography.
  •   31) Angle of surface orography.
  •   32) Slope of surface orography.
  •   33) Logarithm of surface roughness.
  •   34) Skin temperature.
  •   35) Apparent surface humidity.
  •   36) Skin wetness.
  •   37 to 79) Diagnostic fields (not detailed, some of them are present in the CFU and XFU list).
  •   80 to 109) Additional optional fields.


2.1.5 Surface cumulated fluxes (CFU).


  •   01) Large scale precipitation.
  •   02) Convective precipitation.
  •   03) Large scale snow fall.
  •   04) Convective snow fall.
  •   05) -stress.
  •   06) -stress.
  •   07) Surface sensible heat flux.
  •   08) Surface latent heat flux.
  •   09) Tendency of surface pressure.
  •   10) Total cloud cover.
  •   11) Boundary layer dissipation.
  •   12) Surface solar radiation.
  •   13) Surface thermal radiation.
  •   14) Top solar radiation.
  •   15) Top thermal radiation.
  •   16) Convective cloud cover.
  •   17) High cloud cover.
  •   18) Medium cloud cover.
  •   19) Low cloud cover.
  •   20) -gravity-wave stress.
  •   21) -gravity-wave stress.
  •   22) Water evaporation.
  •   23) Snow sublimation.
  •   24) Latent heat evaporation.
  •   25) Latent heat sublimation.
  •   26) Cloudiness.
  •   27) Soil moisture.
  •   28) Snow mass.
  •   29) Total precipitable water.
  •   30) Total ozone.
  •   31) Top mesospheric enthalpy.
  •   32) Solid specific moisture.
  •   33) Liquid specific moisture.
  •   34) Contribution of convection to .
  •   35) Contribution of convection to .
  •   36) Contribution of convection to .
  •   37) Contribution of convection to .
  •   38) Contribution of turbulence to .
  •   39) Contribution of turbulence to .
  •   40) Clear sky shortwave radiative flux.
  •   41) Clear sky longwave radiative flux.
  •   42) Surface parallel solar flux.
  •   43) Top parallel solar flux.
  •   44) Surface down solar flux.
  •   45) Surface down thermic flux.
  •   46) Melt snow.
  •   47) Heat flux in soil.
  •   48) Water flux in soil.
  •   49) Surface soil runoff.
  •   50) Deep soil runoff.
  •   51) Interception soil layer runoff.
  •   52) Evapotranspiration flux.
  •   53) Transpiration flux.


2.1.6 Surface instantaneous fluxes (XFU).


  •   01) Total cloud cover.
  •   02) -component of wind at 10 meters (pbl).
  •   03) -component of wind at 10 meters (pbl).
  •   04) Temperature at 2 meters (pbl).
  •   05) Specific humidity at 2 meters (pbl).
  •   06) Relative humidity at 2 meters (pbl).
  •   07) Convective cloud cover.
  •   08) High cloud cover.
  •   09) Medium cloud cover.
  •   10) Low cloud cover.
  •   11) Maximum temperature at 2 meters.
  •   12) Minimum temperature at 2 meters.
  •   13) Cloudiness.
  •   14) Contribution of convection to .
  •   15) Contribution of convection to .
  •   16) Contribution of convection to .
  •   17) Contribution of convection to .
  •   18) Contribution of turbulence to .
  •   19) Contribution of turbulence to .
  •   20) Contribution of turbulence to .
  •   21) Contribution of turbulence to .
  •   22) Contribution of gravity wave drag to .
  •   23) Contribution of gravity wave drag to .
  •   24) Large scale precipitation.
  •   25) Convective precipitation.
  •   26) Large scale snow fall.
  •   27) Convective snow fall.
  •   28) Surface solar radiation.
  •   29) Surface thermal radiation.
  •   30) Top solar radiation.
  •   31) Top thermal radiation.
  •   32) U at bottom level.
  •   33) V at bottom level.
  •   34) Temperature at bottom level.
  •   35) Specific humidity at bottom level.
  •   36) Geopotential at bottom level.
  •   37) Surface temperature.
  •   38) Deep soil temperature.
  •   39) Surface water content.
  •   40) Deep soil water content.
  •   41) Snow mass.

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