This website's content is no longer actively maintained, but the material has been kept on-line for historical purposes.
The page may contain broken links or outdated information, and interactive components may no longer work.

Please note that ISCCP data processing is now performed at NOAA/NCEI.
Please visit the NOAA/NCEI website for access to ISCCP H data products and other up-to-date information.

Global Weather States from ISCCP D1 Cloud Dataset

The optimum cluster centroids are identified for K=11 as shown below.

Mean PC-τ plots for the global domain
Figure 1: Mean PC-τ plots for the global domain

Geographic distribution of Weather States for the global domain
Figure 2: Geographic distribution of Weather States for the global domain

To download ISCCP global, 3-hourly weather state (WS) data, click here.

Get the binary file isccp_d1-gws_1983-2009.tar and the FORTRAN read program in ASCII read_o2_ISCCP_GWS.f. Untar of isccp_d1-gws_1983-2009.tar to get 27 data files named o2_dw_GL_8309_43.YYYY, where YYYY=1983 .. 2009. Use read_o2_ISCCP_GWS.f to read GWS values for your needs.

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