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  ds121.1 Detailed Metadata

Overview
Dataset Citation:
European Centre for Medium-Range Weather Forecasts, 2005: ERA40 Model Resolution Gridded Upper Air Forecast Fields on Pressure Surfaces from ECMWF. Dataset ds121.1 published by the CISL Data Support Section at the National Center for Atmospheric Research, Boulder, CO, available online at http://dss.ucar.edu/datasets/ds121.1/.
Types of data:
  • Grids
 Data formats:
Data contributors:
  • ECMWF > European Centre for Medium-Range Weather Forecasts
Programs/Experiments that collected the data:
  • ERA40 > ECMWF ERA40 Reanalysis Project
Total volume:  4.346 Tbytes

Summary for Grids in WMO GRIB1 Format
Product and Coverage Information:
There are multiple products and/or geographical coverages for the grids in this format. Click a variable name to see the available products and coverages for that variable.
VariableParameter
Code
Vertical LevelsTemporal Valid Range
Divergence (s-1) 155
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00
Geopotential (m2 s-2) 129
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00
Ozone mass mixing ratio (kg kg-1) 203
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00
Potential vorticity (K m2 kg-1 s-1) 60
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-01 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-01 00:00
Relative humidity (%) 157
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00
Specific humidity (kg kg-1) 133
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00
Temperature (K) 130
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00
Vertical velocity (Pa s-1) 135
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00
Vorticity (relative) (s-1) 138
• Isobaric surface: 1000 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 925 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 850 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 775 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 700 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 600 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 500 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 400 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 300 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 250 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 200 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 150 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 100 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 70 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 50 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 30 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 20 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 10 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 7 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 5 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 3 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 2 mbar  1957-09-01 03:00 to 2002-09-02 00:00
• Isobaric surface: 1 mbar  1957-09-01 03:00 to 2002-09-02 00:00

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