ds083.0 Detailed Metadata

Overview
Dataset Citation: DOC/NOAA/NWS/NCEP, 1997: NCEP Global Tropospheric Analyses, 2.5x2.5, daily 1997Apr- continuing, updated monthly. Published by the CISL Data Support Section at the National Center for Atmospheric Research, Boulder, CO (ds083.0).
Types of data: Grids	Data formats: WMO GRIB1 (Binary)
Data providers: DOC/NOAA/NWS/NCEP > National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
Total volume: 10.110 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
Absolute vorticity (s^-1)	Isobaric surface: 500 mbar	1997-04-01 00:00 to 2007-06-30 12:00
Geopotential height (gpm)	Ground or water surface Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 700 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	1997-04-01 00:00 to 2007-06-30 12:00
Ice cover (fraction)	Ground or water surface	1997-04-01 00:00 to 2007-06-30 12:00
Land cover (fraction)	Ground or water surface	1997-04-01 00:00 to 2007-06-30 12:00
Maximum temperature (K)	Specified height above ground: 2 m	1997-04-01 00:00 to 1999-12-09 00:00
Minimum temperature (K)	Specified height above ground: 2 m	1997-04-01 00:00 to 1999-12-09 00:00
Potential temperature (K)	Sigma level: 0.995	1997-05-01 00:00 to 1997-05-06 12:00
Precipitable water (kg m^-2)	Entire atmosphere (considered as a single layer)	1997-04-01 00:00 to 2007-06-30 12:00
Pressure (Pa)	Ground or water surface Tropopause	1997-04-01 00:00 to 2007-06-30 12:00
Pressure reduced to MSL (Pa)	Mean sea level	1997-04-01 00:00 to 2007-06-30 12:00
Pressure vertical velocity (Pa s^-1)	Isobaric surface: 850 mbar Isobaric surface: 700 mbar Isobaric surface: 500 mbar Isobaric surface: 300 mbar	1997-04-01 00:00 to 2007-06-30 12:00
Relative humidity (%)	Entire atmosphere (considered as a single layer) Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 700 mbar Isobaric surface: 500 mbar Isobaric surface: 400 mbar Isobaric surface: 300 mbar Layer between two sigma levels: Bottom=0.72 , Top=0.44 Layer between two sigma levels: Bottom=0.94 , Top=0.72 Layer between two sigma levels: Bottom=1 , Top=0.44 Sigma level: 0.995 Specified height above ground: 2 m	1997-04-01 00:00 to 2007-06-30 12:00
Specific humidity (kg kg^-1)	Specified height above ground: 2 m	1997-04-01 00:00 to 2007-06-30 12:00
Temperature (K)	Ground or water surface Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 700 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 Layer between two depths below land surface: Bottom=10 cm, Top=0 cm Layer between two depths below land surface: Bottom=200 cm, Top=10 cm Sigma level: 0.995 Specified height above ground: 2 m Tropopause	1997-04-01 00:00 to 2007-06-30 12:00
u-component of wind (m s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 700 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 Sigma level: 0.995 Specified height above ground: 10 m	1997-04-01 00:00 to 2007-06-30 12:00
v-component of wind (m s^-1)	Isobaric surface: 1000 mbar Isobaric surface: 925 mbar Isobaric surface: 850 mbar Isobaric surface: 700 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 Sigma level: 0.995 Specified height above ground: 10 m	1997-04-01 00:00 to 2007-06-30 12:00
Volumetric soil moisture content (fraction)	Layer between two depths below land surface: Bottom=10 cm, Top=0 cm Layer between two depths below land surface: Bottom=200 cm, Top=10 cm	1997-04-01 00:00 to 2007-06-30 12:00
Water equivalent of accumulated snow depth (kg m^-2)	Ground or water surface	1997-04-01 00:00 to 2007-06-30 12:00