[Parameters: Topic='ATMOSPHERE', Term='ATMOSPHERIC WINDS', Variable_Level_1='VORTICITY']
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ERA40 Monthly Mean Model Resolution Gridded Upper Air Forecast Fields on Model Levels from ECMWF Entry ID: NCAR_DS122.2 |
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Summary
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Abstract:
The ECMWF Re-Analysis (ERA40) is a global atmospheric analysis of many conventional observations and satellite data streams for the period Sept,1957- Aug,2002. There are numerous data products that are separated into dataset series' based on resolution, vertical coordinate reference, and likely research applications. Descriptions of the series organization and direct links to information about all ERA40 products are available [http://dss.ucar.edu/cgi-bin/joey/era40sum.pl?ds=ds118.1]. This dataset contains monthly means for 9 variables on the original 60 model levels, as well as surface geopotential and log of surface pressure. Variables are archived at T159 spectral resolution in spherical harmonics or the reduced n80 gaussian grid with a resolution of approximately 125 kilometers. Synoptic monthly means have been computed for each analysis hour and a diurnal mean has also been computed. Both means are only computed for the 6 hour forecast. The ERA-Interim data from ECMWF is an update to the ERA-40 project. The ERA-Interim data starts in 1989 and has a higher horizontal resolution (T255, N128 nominally 0.703125 degrees) than the ERA-40 data (T159, N80 nominally 1.125 degrees). ERA-Interim is based on a more current model than ERA-40 and uses 4-D VAR (as apposed to 3-D VAR in ERA-40). ECMWF will continue to run the ERA-Interim model in near real time thru at least 2010, and possibly longer. This data is available in ds627.0 [http://dss.ucar.edu/datasets/ds627.0].
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Related URL
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Link:
VIEW RELATED INFORMATION
Link: VIEW RELATED INFORMATION Description: ECMWF's ERA web site |
Geographic Coverage
| N: 89.141 | S: -89.141 | E: 180.0 | W: -180.0 |
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Data Set Citation
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Dataset Originator/Creator:
UCAR/NCAR/CISL/DSS > Data Support Section, Computational and Information Systems Laboratory, National Center for Atmospheric Research, University Corporation for Atmospheric Research
Dataset Title: ERA40 Monthly Mean Model Resolution Gridded Upper Air Forecast Fields on Model Levels from ECMWF Dataset Publisher: UCAR/NCAR/CISL/DSS > Data Support Section, Computational and Information Systems Laboratory, National Center for Atmospheric Research, University Corporation for Atmospheric Research Online Resource: http://dss.ucar.edu/datasets/ds122.2/ |
Temporal Coverage
| Start Date: 1957-09-01 |
| Stop Date: 2002-08-31 |
Data Resolution
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Latitude Resolution:
1.125 degrees
Longitude Resolution: 1.121 degrees |
Science Keywords
| ATMOSPHERE >AIR QUALITY >TROPOSPHERIC OZONE [Definition] |
| ATMOSPHERE >ATMOSPHERIC TEMPERATURE >AIR TEMPERATURE [Definition] |
| ATMOSPHERE >ATMOSPHERIC WATER VAPOR >HUMIDITY [Definition] |
| ATMOSPHERE >ATMOSPHERIC WINDS >CONVERGENCE/DIVERGENCE [Definition] |
| ATMOSPHERE >ATMOSPHERIC WINDS >VERTICAL WIND MOTION [Definition] |
| ATMOSPHERE >ATMOSPHERIC WINDS >VORTICITY [Definition] |
| ATMOSPHERE >CLOUDS >CLOUD PROPERTIES >CLOUD FREQUENCY [Definition] |
| ATMOSPHERE >CLOUDS >CLOUD MICROPHYSICS >CLOUD LIQUID WATER/ICE [Definition] |
ISO Topic Category
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CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
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Project
| ESIP >Earth Science Information Partners Program [Information] |
| ERA40 >ECMWF ERA40 Reanalysis Project [Information] |
Access Constraints
| We are allowed to distribute this data to US scientists, scientists visiting US organizations, and Canadian scientists affiliated with UCAR member organizations only. |
Use Constraints
| The data can be used for non-commercial research only. |
Keywords
| ERA40DAS > ERA40 Data Assimilation System |
Data Set Progress
| COMPLETE |
Data Center
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Data Support Section, Computational and Information Systems Laboratory, National Center for Atmospheric Research, University Corporation for Atmospheric Research
[Information]
Data Center URL: http://rda.ucar.edu/ Dataset ID: 122.2
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Distribution
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Distribution_Size:
87.048 Gbytes
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Distribution_Format:
GRIB1 > GRIdded Binary form, Edition 1
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Personnel
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JOEY
COMEAUX Role: TECHNICAL CONTACT Phone: (303)-497-1256 Fax: (303)-497-1291 Email: joey at ucar.edu Contact Address: National Center for Atmospheric Research CISL/DSS P.O. Box 3000 City: Boulder Province or State: CO Postal Code: 80307 Country: U.S.A. |
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BOB
DATTORE Role: DIF AUTHOR Phone: (303)-497-1825 Fax: (303)-497-1291 Email: dattore at ucar.edu Contact Address: National Center for Atmospheric Research CISL/DSS P.O. Box 3000 City: Boulder Province or State: CO Postal Code: 80307 Country: U.S.A. |
Creation and Review Dates
Last DIF Revision Date:
2011-01-24
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