ISCCP Data Products

  • Reduced Resolution Radiance Data (B3)
    • Resolution: 30km pixel, 3hr, individual satellites
    • Volume: 1.1Gb per data month, for global coverage
    • Contents: Radiances with calibration and navigation appended. Uniform format for all satellites.
    • See data set version table.

  • Calibration Table Data Set (BT)
    • Resolution: 3hr, individual satellites
    • Volume: 7Gb for 8 years
    • Contents: Updates of calibration tables for B3 data set.
    • See data set version table.

  • Radiance data (ISCCP B1U)
    • Resolution: 10Km pixel,3hr, individual satellites
    • Volume: Variable: 18GB to 110GB/year for global coverage
    • Contents: Radiances with calibration and navigation appended. Uniform format for all satellites..
    • See data set description paper.

  • Ice/Snow Data Set (IS)
    • Resolution: 150km equal-area grid, 5-days, global
    • Volume: ~3Mb per data year
    • Contents: 5-day averages of snow and sea ice fractional coverage deduced from ship/shore station reports and satellite visible, infrared, and microwave imagery data.
    • See data set version table.
    • See map grid information page.

  • TOVS Data Set (TV)
    • Resolution: 280km equal-area grid, daily, global
    • Volume: ~72Mb per data year
    • Contents: Atmosphere and surface data including temperature structure, water, and ozone abundances obtained from the TIROS Operational Vertical Sounding Product and supplemented by two climatologies.
    • See data set version table.
    • See map grid information page.

  • Pixel Level Cloud Product - Revised algorithm (DX)
    • Resolution: 30km mapped pixel, 3 hr, individual satellites
    • Volume: 5Gb per data month
    • Contents: Calibrated radiances, cloud detection results, cloud and surface properties from radiative analysis. See list of variables and definitions.
    • See data set version table.

  • Gridded Cloud Product (C1)
    • Resolution: 280km equal-area grid, 3hr, global
    • Volume: 216Mb per data month
    • Contents: Spatial averages of pixel-level results and statistical summaries. Satellites are merged into a global grid. Atmosphere and surface properties from TOVS appended.
    • See map grid information page.

  • Gridded Cloud Product - Revised algorithm (D1)
    • Resolution: 280km equal-area grid, 3hr, global
    • Volume: 320Mb per data month
    • Contents: Spatial averages of DX quantities and statistical summaries, including properties of cloud types. Satellites are merged into a global grid. Atmosphere and surface properties from TOVS appended. See list of variables and definitions.
    • See data set version table.
    • See map grid information page.

  • Climatological Summary Product (C2)
    • Resolution: 280km equal-area grid, monthly, global
    • Volume: 4Mb per data month
    • Contents: Monthly average of C1 quantities including mean diurnal cycle. Distribution and properties of total cloudiness and cloud types.
    • See map grid information page.

  • Climatological Summary Product - Revised algorithm (D2)
    • Resolution: 280km equal-area grid, monthly, global
    • Volume: 7.5Mb per data month
    • Contents: Monthly average of D1 quantities including mean diurnal cycle. Distribution and properties of total cloudiness and cloud types. See list of variables and definitions.
    • See browse page to sample ISCCP D2 data.
    • See data set version table.
    • See map grid information page.

  • Climatological Summary Product (FD-TOA)
    • Resolution: 280km equal-area grid, 3hr, global
    • Volume: ~60Mb per data month
    • Contents: All the radiative flux components at TOA. Total of 20 output parameters.
    • FD-TOA is available for download through our website.
    • See map grid information page.
  • Climatological Summary Product (FD-SRF)
    • Resolution: 280km equal-area grid, 3hr, global
    • Volume: ~70Mb per data month
    • Contents: All the radiative flux components at SRF. Total of 25 output parameters.
    • FD-SRF is available for download through our website.
    • See map grid information page.
  • Climatological Summary Product (FD-PRF)
    • Resolution: 280km equal-area grid, 3hr, global
    • Volume: ~205Mb per data month
    • Contents: All the radiative flux components for PRF (TOA and SRF inclusive). Total of 81 output parameters.
    • FD-PRF is available for download through our website.
    • See map grid information page.
  • Input flux data (FD-INP)
    • Resolution: 280km equal-area grid, 3hr, global
    • Volume: ~205Mb per data month.
    • Contents: Complete input variables used in flux calculation
    • FD-INP is available by request for download through our website.
  • Climatological Summary Product (FD-MPF)
    • Resolution: 280km equal-area grid, monthly, global
    • Volume: ~0.83Mb per data month
    • Contents: Radiatively linearly averaged monthly-mean FD-PRF. Total of 81 output parameters.
    • FD-MPF is available for download through our website.
    • See browse page to sample ISCCP FD SRF and TOA monthly-averaged data.
    • Mapped FD-TOA and FD-SRF data are also available for for download through our website.
    • See map grid information page.

Project Description | Cloud Data & Products | Documentation