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 ISCCP D1 and DX 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 reference information. The full documentation for the ISCCP D1 and DX data can be found at the ISCCP D1 and DX webpage.
If you are downloading multiple files, please use the GCSS-DIME ftp site (ftp gcss-dime.giss.nasa.gov/pub/CRYSTAL-FACE). D1 or DX files obtained from the ftp site are in D1 or DX-specific formats and must be read using either dxread.f or d1read.f available at the ISCCP website
Note also that the complete ISCCP DX data is now available from the ISCCP's Official Data Archives (NOAA/NESDIS/NCDC) via anonymous ftp through ftp://eclipse.ncdc.noaa.gov/pub/isccp/dx.
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