CRYSTAL-FACE is a measurement campaign designed to investigate tropical cirrus cloud physical properties and formation processes in the Florida region. Several aircraft and ground-based Doppler radar will be used for in situ and remote sensing of aerosols, ice crystals, meteorological fields, radiative fluxes, and gas concentrations. Understanding the production of upper tropospheric cirrus clouds and evaluating the sensitivity of cirrus anvils to their generating convective systems is essential for the successful modeling of the Earth's climate.
The data presented here are from 1 July 2002 to 31 July 2002 and cover a region from 10N to 30N latitude and from 92W to 74W longitude.
Selected variables from the NCEP/NCAR Reanalysis are available here for display as GIF images, or for downloading to your local disk. If you are downloading data, please see the browse data format description. Also take note of the version and reference information. The full documentation for the NCEP/NCAR Reanalysis data can be found at the NCEP/NCAR Reanalysis webpage.
If you are downloading multiple files, please use the GCSS-DIME ftp site (ftp gcss-dime.giss.nasa.gov/pub/CRYSTAL-FACE/NCEP).
NOTE: On March 2008 an error was found in the subsetted NCEP data files, where all the daily data (four 6-hourly files) for a specific day/variable were actually extracted from the UTC 00 data. Hence 6-hourly data for a specific day/variable had the same UTC 00 values. This set was corrected and now the accurate data is available from the ftp site mentioned above.
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