ds082.0 Detailed Metadata

Overview
Dataset Citation: DOC/NOAA/NWS/NCEP, 1980: NCEP Global Tropospheric Analyses, daily 1976Jul-1997Apr12. Published by the CISL Data Support Section at the National Center for Atmospheric Research, Boulder, CO (ds082.0).
Types of data: Grids	Data formats: WMO GRIB1 (Binary) NCEP ON84 (Binary)
Data providers: DOC/NOAA/NWS/NCEP > National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
Total volume: 38.360 Gbytes

Overview

Dataset Citation:
DOC/NOAA/NWS/NCEP, 1980: NCEP Global Tropospheric Analyses, daily 1976Jul-1997Apr12. Published by the CISL Data Support Section at the National Center for Atmospheric Research, Boulder, CO (ds082.0).

Types of data:

Grids

Data formats:

WMO GRIB1 (Binary)
NCEP ON84 (Binary)

Data providers:

DOC/NOAA/NWS/NCEP > National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce

Total volume: 38.360 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	1995-07-01 00:00 to 1996-08-31 12:00
Geopotential height (gpm)	Isobaric surface: 1000 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	1976-07-01 00:00 to 1997-03-31 12:00
Potential temperature (K)	Entire atmosphere (considered as a single layer) Sigma level: 0.995	1980-05-23 00:00 to 1997-03-31 12:00
Precipitable water (kg m^-2)	Entire atmosphere (considered as a single layer) Layer between two sigma levels: Bottom=1 , Top=0.33	1980-05-23 00:00 to 1997-03-31 12:00
Pressure (Pa)	Ground or water surface Sigma level Tropopause	1976-07-01 00:00 to 1997-03-31 12:00
Pressure reduced to MSL (Pa)	Mean sea level	1977-12-07 12:00 to 1997-03-31 12:00
Relative humidity (%)	Entire atmosphere (considered as a single layer) Isobaric surface: 1000 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=0.67 , Top=0.33 Layer between two sigma levels: Bottom=1 , Top=0.67 Layer between two sigma levels: Bottom=1 , Top=0.33 Sigma level: 0.995	1976-07-01 00:00 to 1997-03-31 12:00
Snow depth (m)	Ground or water surface	1979-07-25 12:00 to 1997-03-29 12:00
Temperature (K)	Ground or water surface Isobaric surface: 1000 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 Sigma level Specified height above ground: 2 m Tropopause	1976-07-01 00:00 to 1997-03-31 12:00
u-component of wind (m s^-1)	Entire atmosphere (considered as a single layer) Isobaric surface: 1000 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 Sigma level: 0.995	1976-07-01 00:00 to 1997-03-31 12:00
v-component of wind (m s^-1)	Entire atmosphere (considered as a single layer) Isobaric surface: 1000 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 Sigma level: 0.995	1976-07-01 00:00 to 1997-03-31 12:00
Vertical velocity (Pa s^-1)	Isobaric surface: 1000 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	1995-07-01 00:00 to 1996-08-31 12:00

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

1995-07-01 00:00 to 1996-08-31 12:00

Geopotential height (gpm)

Isobaric surface: 1000 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

1976-07-01 00:00 to 1997-03-31 12:00

Potential temperature (K)

Entire atmosphere (considered as a single layer)
Sigma level: 0.995

1980-05-23 00:00 to 1997-03-31 12:00

Precipitable water (kg m^-2)

Entire atmosphere (considered as a single layer)
Layer between two sigma levels: Bottom=1 , Top=0.33

1980-05-23 00:00 to 1997-03-31 12:00

Pressure (Pa)

Ground or water surface
Sigma level
Tropopause

1976-07-01 00:00 to 1997-03-31 12:00

Pressure reduced to MSL (Pa)

Mean sea level

1977-12-07 12:00 to 1997-03-31 12:00

Relative humidity (%)

Entire atmosphere (considered as a single layer)
Isobaric surface: 1000 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=0.67 , Top=0.33
Layer between two sigma levels: Bottom=1 , Top=0.67
Layer between two sigma levels: Bottom=1 , Top=0.33
Sigma level: 0.995

1976-07-01 00:00 to 1997-03-31 12:00

Snow depth (m)

Ground or water surface

1979-07-25 12:00 to 1997-03-29 12:00

Temperature (K)

Ground or water surface
Isobaric surface: 1000 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
Sigma level
Specified height above ground: 2 m
Tropopause

1976-07-01 00:00 to 1997-03-31 12:00

u-component of wind (m s^-1)

Entire atmosphere (considered as a single layer)
Isobaric surface: 1000 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
Sigma level: 0.995

1976-07-01 00:00 to 1997-03-31 12:00

v-component of wind (m s^-1)

Entire atmosphere (considered as a single layer)
Isobaric surface: 1000 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
Sigma level: 0.995

1976-07-01 00:00 to 1997-03-31 12:00

Vertical velocity (Pa s^-1)

Isobaric surface: 1000 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

1995-07-01 00:00 to 1996-08-31 12:00

Summary for Grids in NCEP ON84 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)	Atmospheric pressure: 500 mbar	1995-07-01 00:00 to 1996-08-31 12:00
Atmospheric pressure (mbar)	Earth's surface (base of atmosphere) Mean sea level Tropopause Troposphere: Bottom=0 , Top=1	1976-07-01 00:00 to 1997-04-12 12:00
Atmospheric temperature (deg K)	Atmospheric pressure: 1000 mbar Atmospheric pressure: 850 mbar Atmospheric pressure: 700 mbar Atmospheric pressure: 500 mbar Atmospheric pressure: 400 mbar Atmospheric pressure: 300 mbar Atmospheric pressure: 250 mbar Atmospheric pressure: 200 mbar Atmospheric pressure: 150 mbar Atmospheric pressure: 100 mbar Atmospheric pressure: 70 mbar Atmospheric pressure: 50 mbar Earth's surface (base of atmosphere) Tropopause Troposphere: Bottom=0 , Top=1	1976-07-01 00:00 to 1997-04-12 12:00
Geopotential height (gpm)	Atmospheric pressure: 1000 mbar Atmospheric pressure: 850 mbar Atmospheric pressure: 700 mbar Atmospheric pressure: 500 mbar Atmospheric pressure: 400 mbar Atmospheric pressure: 300 mbar Atmospheric pressure: 250 mbar Atmospheric pressure: 200 mbar Atmospheric pressure: 150 mbar Atmospheric pressure: 100 mbar Atmospheric pressure: 70 mbar Atmospheric pressure: 50 mbar	1976-07-01 00:00 to 1997-04-12 12:00
Potential temperature (deg K)	Boundary: Bottom=1 , Top=0 Entire atmosphere: Bottom=1 , Top=0.925	1980-05-23 00:00 to 1997-04-12 12:00
Precipitable water (kg m^-2)	Entire atmosphere: Bottom=1 , Top=0.375 Troposphere: Bottom=1 , Top=0.33333	1980-05-23 00:00 to 1997-04-12 12:00
Relative humidity (%)	Atmospheric pressure: 1000 mbar Atmospheric pressure: 850 mbar Atmospheric pressure: 700 mbar Atmospheric pressure: 500 mbar Atmospheric pressure: 400 mbar Atmospheric pressure: 300 mbar Boundary: Bottom=1 , Top=0 Entire atmosphere: Bottom=0.65 , Top=0.375 Entire atmosphere: Bottom=0.925 , Top=0.65 Entire atmosphere: Bottom=1 , Top=0.925 Entire atmosphere: Bottom=1 , Top=0.375 Troposphere: Bottom=0.66667 , Top=0.33333 Troposphere: Bottom=1 , Top=0.33333 Troposphere: Bottom=1 , Top=0.66667	1976-07-01 00:00 to 1997-04-12 12:00
Snow depth (m)	Earth's surface (base of atmosphere)	1979-07-25 12:00 to 1997-04-10 00:00
U comp. of wind wrt grid (m s^-1)	Atmospheric pressure: 1000 mbar Atmospheric pressure: 850 mbar Atmospheric pressure: 700 mbar Atmospheric pressure: 500 mbar Atmospheric pressure: 400 mbar Atmospheric pressure: 300 mbar Atmospheric pressure: 250 mbar Atmospheric pressure: 200 mbar Atmospheric pressure: 150 mbar Atmospheric pressure: 100 mbar Atmospheric pressure: 70 mbar Atmospheric pressure: 50 mbar Boundary: Bottom=1 , Top=0 Entire atmosphere: Bottom=1 , Top=0.925	1976-07-01 00:00 to 1997-04-12 12:00
V comp. of wind wrt grid (m s^-1)	Atmospheric pressure: 1000 mbar Atmospheric pressure: 850 mbar Atmospheric pressure: 700 mbar Atmospheric pressure: 500 mbar Atmospheric pressure: 400 mbar Atmospheric pressure: 300 mbar Atmospheric pressure: 250 mbar Atmospheric pressure: 200 mbar Atmospheric pressure: 150 mbar Atmospheric pressure: 100 mbar Atmospheric pressure: 70 mbar Atmospheric pressure: 50 mbar Boundary: Bottom=1 , Top=0 Entire atmosphere: Bottom=1 , Top=0.925	1976-07-01 00:00 to 1997-04-12 12:00
Vertical velocity dp/dt (mbar s^-1)	Atmospheric pressure: 1000 mbar Atmospheric pressure: 850 mbar Atmospheric pressure: 700 mbar Atmospheric pressure: 500 mbar Atmospheric pressure: 400 mbar Atmospheric pressure: 300 mbar Atmospheric pressure: 250 mbar Atmospheric pressure: 200 mbar Atmospheric pressure: 150 mbar Atmospheric pressure: 100 mbar	1995-07-01 00:00 to 1996-08-31 12:00
Water temperature (deg K)	Earth's surface (base of atmosphere)	1979-05-16 12:00 to 1997-04-12 00:00

Summary for Grids in NCEP ON84 Format

Variable

Vertical Levels

Temporal Valid Range

Absolute vorticity (s^-1)