 ds082.0 Home Page Help
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NCEP Global Tropospheric Analyses, daily 1976Jul-1997Apr12
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DSS presents the FNL (Final) Global Analyses on a pair of 2.5x2.5 degree hemispheric grids every twelve hours. These were operationally prepared by NCEP. The NCAR documents
Information about NMC Analysis and Forecast Models and
History of Changes in the NMC Analysis Techniques discuss
model features and changes.
The analyses are available on the surface, 12 mandatory levels
from 1000mb to 50mb, boundary and some sigma layers, tropopause,
and a few others.
Parameters include surface pressure, sea level pressure, geopotential
height, temperature, sea surface temperature, potential temperature,
relative humidity, snow depth (weekly, Northern Hemisphere only)
precipitable water, u- and v- winds and vertical motion.
This dataset is in the binary NMC Office Note 84 (ON84) format. DSS
has prepared a set of GRIB formatted files which have a one-to-one
correspondence to the ON84 formatted files. The GRIB formatted data is free,
through the DS082.0 data page..
MORE
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| PERIODS: |
1976-07-01 00:00 +0000 to 1997-04-12 12:00 +0000 (Entire dataset)
 Period details by subset Period details by subset:
1976-07-01 00:00 +0000 to 1997-03-31 12:00 +0000 (Files in WMO GRIB format)
1976-07-01 00:00 +0000 to 1997-04-12 12:00 +0000 (Files in NCEP ON84 format)
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| VARIABLES: |
| Air Temperature | Boundary Layer Winds | Geopotential Height | Humidity |
| Hydrostatic Pressure | Potential Temperature | Precipitable Water | Sea Level Pressure |
| Sea Surface Temperature | Skin Temperature | Snow Depth | Surface Air Temperature |
| Surface Pressure | Upper Level Winds | Vertical Wind Motion | Vorticity |
GRIB parameter table
ON84 parameter table
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| LEVELS: |
See the detailed metadata for level information
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| TYPES: |
Grid
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| COVERAGE: |
Longitude Range: Westernmost=180W Easternmost=180E
Latitude Range: Southernmost=90S Northernmost=90N
Detailed coverage informationDetailed coverage information:
2.5° x 2.5°, 0E to 360E and 0N to 90N (145 x 37 Latitude/Longitude) (Files in NCEP ON84 format)
2.5° x 2.5°, 0E to 360E and 90S to 0N (145 x 37 Latitude/Longitude) (Files in NCEP ON84 format)
2.5° x 2.5°, 0E to 360E and 0N to 90N (145 x 37 Latitude/Longitude) (Files in WMO GRIB format)
2.5° x 2.5°, 0E to 360E and 90S to 0N (145 x 37 Latitude/Longitude) (Files in WMO GRIB format)
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| SOURCES: |
DOC/NOAA/NWS/NCEP National Centers for Environmental Prediction, National Weather Service, NOAA, U.S. Department of Commerce
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| PUBLICATIONS: |
Randel, W.J., 1992: Global atmospheric circulation statistics, 1000 - 1 mb. TN-366+STR, National Center for Atmospheric Research, 256 pp.
Trenberth, K.E., and J.G. Olson, 1988: Evaluation of NMC Global Analyses: 1979-1987. TN-299+STR, National Center for Atmospheric Research, 82 pp.
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| VOLUME: |
38.36 GBytes (Entire dataset)
Volume details by subsetVolume details by subset:
Files in WMO GRIB format: 17.73 GBytes
Files in NCEP ON84 format: 20.63 GBytes
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| FORMATS: |
WMO GRIB1,
NCEP ON84
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| CONTACT: |
For assistance with this dataset, please contact
Gregg Walters (303-497-1218)
or
Bob Dattore (303-497-1825)
. If the specialist is unavailable, please contact
Data Help.
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| RELATED DATASETS: |
ds082.0 - NCEP Global Tropospheric Analyses, daily 1976Jul-1997Apr12
ds082.1 - NCEP Global Tropospheric Analyses, near surface subset, daily 1976Jul-1997Apr12
ds083.0 - NCEP FNL Global Tropospheric Analyses, 2.5x2.5, daily 1997Apr- continuing
ds757.0 - NMC Global Elevation Data, 2.5-Degree and Spectral
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| METADATA: |
View more detailed metadata for this dataset
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| DATA ACCESS: |
Click the  tab here or in the navigation bar at the top of the page. |
| COMMENTS: |
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