Set I: Products from the Deterministic Atmospheric Model

The following sub-sets are available from the Deterministic Atmospheric Model:

• I-i: Atmospheric fields
• I-ii: Time series of weather parameters

For a description, see Meteorological Bulletin M3.2 User Guide to ECMWF Products.

I-i: Atmospheric fields

The products are provided in GRIB code or in plotted form. The plots are derived from the GRIB code without further processing.

1.1 Parameters

I-i-a) Single level parameters

• Forecast and Analysis fields
  
  • 10 metre U-velocity (10U)
  • 10 metre V-velocity (10V)
  • 100 metre U-velocity (100U)
  • 100 metre V-velocity (100V)
  • 2 metre dewpoint temperature (2D)
  • 2 metre temperature (2T)
  • Cloud base height (CBH)
  • High cloud cover (HCC)
  • Low cloud cover (LCC)
  • Mean sea level pressure (MSL)
  • Medium cloud cover (MCC)
  • Sea Ice Cover (CI)
  • Sea surface temperature (SSTK)
  • Skin temperature (SKT)
  • Snow depth (SD)
  • Snow density (RSN)
  • Soil temperature level 1 (STL1)
  • Soil temperature level 2 (STL2)
  • Soil temperature level 3 (STL3)
  • Soil temperature level 4 (STL4)
  • Surface pressure (SP)
  • Total cloud cover (TCC)
  • Total column Ozone (TCO3)
  • Total column water vapour (TCWV)
  • Total sky direct solar radiation at surface (FDIR)
  • Volumetric soil water layer 1 (SWVL1)
  • Volumetric soil water layer 2 (SWVL2)
  • Volumetric soil water layer 3 (SWVL3)
  • Volumetric soil water layer 4 (SWVL4)
  • Zero degree level (DEG0)
• Forecast fields only
  
  • 10 metre wind gust in the past 6 hours (10FG6)
  • 10 metre wind gust in the last 3 hours(10FG3)
  • Boundary layer height (BLH)
  • Convective available potential energy (CAPE)
  • Convective precipitation (CP)
  • Evaporation (E )
  • Forecast albedo (FAL)
  • Large scale precipitation (LSP)
  • Maximum temperature at 2m in the last 6 hours (MX2T6)
  • Maximum temperature at 2m in the last 3 hours (MX2T3)
  • Minimum temperature at 2m in the last 6 hours (MN2T6)
  • Minimum temperature at 2m in the last 3 hours(MN2T3)
  • Snow fall (convective + stratiform) (SF)
  • Surface solar radiation downwards (SSRD)
  • Total precipitation (TP)
• Analysis fields only
  
  • Albedo (AL)
  • Land/sea mask (LSM)
  • Orography (Z)

If requested, the following parameters can be provided free of charge once with every forecast dissemination.

• Land-sea mask (LSM)
• Model orography (Z)
• Forecast surface roughness (FSR)

I-i-b) Pressure level parameters

• Forecast and Analysis fields
  
  • Divergence (D)
  • Geopotential height (GH)
  • Potential Vorticity (PV)
  • Relative humidity (R)
  • Specific humidity (Q)
  • Temperature (T)
  • U-velocity (U)
  • V-velocity (V)
  • Vertical velocity (W)
  • Vorticity (VO)

All parameters are available at levels
1000, 950, 925, 900, 850, 800, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50, 30, 20, 10, 7, 5, 3, 2, 1 hPa

I-i-c) Model level parameters

• Forecast and Analysis fields
  
  • Cloud cover (CC)
  • Divergence (D)
  • Logarithm of surface pressure (LNSP)
  • Specific cloud ice water content (CIWC)
  • Specific cloud liquid water content (CLWC)
  • Specific humidity (Q)
  • Specific rain water content (CRWC)
  • Specific snow water content (CSWC)
  • Temperature (T)
  • U-velocity (U)
  • V-velocity (V)
  • Vertical velocity (W)
  • Vorticity (VO)
• Analysis fields only
  
  • Orography (Z)

If requested, the following parameter can be provided free of charge once with every forecast dissemination.

• Model orography (Z)

1.2 Product resolution

1.3 Forecast

1.3.1 Forecast time-steps

T+0h to T+144h at 3-hour intervals and T+150h to T+240h at 6-hour intervals MN2T6, MX2T6 and 10FG6 are only available at 6-hour intervals MN2T3, MX2T3 and 10FG3 are only available at 3-hour intervals from T+3h to T+144

1.3.2 Base times

• 00 UTC, 12 UTC

1.4 Analysis

1.4.1 Analysis times

• 00 UTC, 06 UTC, 12 UTC, 18 UTC

I-ii: Time series of weather parameters

The products consist of values of the individual members of the real-time forecast at grid points (single locations). The products are provided in BUFR code.

2.1 Parameters

• 10 metre U-velocity (10U)
• 10 metre V-velocity (10V)
• 10 metre wind gust in the past 6 hours (10FG6)
• 100 metre U-velocity (100U)
• 100 metre V-velocity (100V)
• 2 metre dewpoint temperature (2D)
• 2 metre temperature (2T)
• Convective precipitation (CP)
• Land/sea mask (LSM)
• Large scale precipitation (LSP)
• Maximum temperature at 2m in the last 6hours (MX2T6)
• Mean sea level pressure (MSL)
• Minimum temperature at 2m in the last 6hours (MN2T6)
• Orography (Z)
• Snow depth (SD)
• Snow fall (convective + stratiform) (SF)
• Soil temperature level 1 (STL1)
• Soil temperature level 2 (STL2)
• Soil temperature level 3 (STL3)
• Soil temperature level 4 (STL4)
• Surface pressure (SP)
• Surface solar radiation downwards (SSRD)
• Total cloud cover (TCC)
• Total precipitation (TP)
• Volumetric soil water layer 1 (SWVL1)
• Volumetric soil water layer 2 (SWVL2)
• Volumetric soil water layer 3 (SWVL3)
• Volumetric soil water layer 4 (SWVL4)

2.2 Product resolution

On model (Gaussian) N640 grid

2.3 Forecast time-steps

T+0h to T+240h at 6-hour intervals

2.4 Base times

• 00 UTC, 12 UTC