ds120.1 Detailed Metadata

Overview
Dataset Citation: ECMWF, 2004: ERA40 Monthly Mean 2.5 Degree Latitude-Longitude Gridded Upper Air Analysis on Pressure Surfaces from ECMWF. Published by the CISL Data Support Section at the National Center for Atmospheric Research, Boulder, CO (ds120.1).
Types of data: Grids	Data formats: WMO GRIB1 (Binary)
Data providers: ECMWF > European Centre for Medium-Range Weather Forecasts
Programs/Experiments that collected the data: ERA40 > ECMWF ERA40 Reanalysis Project
Total volume: 14.435 Gbytes

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.
Variable	Vertical Levels	Temporal Valid Range
Divergence (s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Geopotential (m² s^-2)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Ozone mass mixing ratio (kg kg^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Potential vorticity (K m² kg^-1 s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Relative humidity (%)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Specific humidity (kg kg^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Temperature (K)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
U velocity (m s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
V velocity (m s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Vertical velocity (Pa s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00
Vorticity (relative) (s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 775 mbar Isobaric surface: 700 mbar Isobaric surface: 600 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Isobaric surface: 250 mbar Isobaric surface: 200 mbar Isobaric surface: 150 mbar Isobaric surface: 100 mbar Isobaric surface: 70 mbar Isobaric surface: 50 mbar Isobaric surface: 30 mbar Isobaric surface: 20 mbar Isobaric surface: 10 mbar Isobaric surface: 7 mbar Isobaric surface: 5 mbar Isobaric surface: 3 mbar Isobaric surface: 2 mbar Isobaric surface: 1 mbar	1957-09-01 00:00 to 2002-08-31 18:00