A simple photographic averaging technique using multiple exposures is applied to ESSA III and V computer produced mosaics. Several examples, showing the distribution of clouds, snow, ice and vegetation cover for typical half month periods are presented and discussed. Large scale cloud bands about equatorial dry regions as well as preferred storm tracks are revealed.

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1 Research supported by grants from Environmental Science Services Administration and National Aeronautics and Space Administration.

2 National Environment Satellite Center, ESSA, Madison, Wis.