 ds082.2 Home Page Help
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NMC Global Tropospheric Analyses, tropopause subset, daily 1976Jul-1996Aug
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NCEP Global Tropospheric Analyses on 145x37 2.5 degree grids, one for each
hemisphere, 1976Jul01-1997Apr12. The Flattery analysis
method was used through 1978Sep21. It forced a
relationship between heights and winds which causes the zonal
mean meridional wind at every level to be zero. This also
caused other problems with winds in equatorial areas. The
optimal analysis (OI) method (12 layer) started 1978Sep22.
In 1985Apr the Medium Range Forecast (MRF) model started,
with 18 layers. Analyses include geopotential height,
temperature, wind (u- and v-components) and potential
temperature. In more recent years the temperature analyses are
derived from thickness temperatures.
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| PERIODS: |
1976-07-01 00:00 +0000 to 1996-08-27 12:00 +0000
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| VARIABLES: |
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=0N Northernmost=90N
 Detailed coverage information Detailed coverage information:
2.5° x 2.5°, 0E to 360E and 0N to 90N (145 x 37 Longitude/Latitude)
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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: |
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.
Recommended acknowledgement for this dataset:
"The data for this study are from the Research Data Archive (RDA) which is maintained by the Computational and Information Systems Laboratory (CISL) at the National Center for Atmospheric Research (NCAR). NCAR is sponsored by the National Science Foundation (NSF). The original data are available from the RDA (http://dss.ucar.edu) in dataset number ds082.2."
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| VOLUME: |
610.58 MBytes
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| DATA FORMATS: |
NCEP ON84
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| MORE DETAILS: |
View more details for this dataset, including dataset citation, data contributors, and other detailed metadata
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| CONTACT: |
For assistance with this dataset, please contact
Joey Comeaux (303-497-1256)
. If the specialist is unavailable, please contact
Data Help.
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| DATA ACCESS: |
Click the  tab here or in the navigation bar at the top of the page. |
| COMMUNITY: |
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