ON THE RELATION OF SATELLITE VIEWED CLOUD CONDITIONS TO VERTICALLY INTEGRATED MOISTURE FIELDS

E. P. A. U. L. McCLAIN National Environmental Satellite Center, Environmental Science Services Administration, Washington, D.C.

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Abstract

The saturation deficit, a moisture parameter which is used in quantitative precipitation forecasting and which is a measure of the mean relative humidity in the layer 1000–500 mb., is related to both satellite-viewed cloud cover and cloud conditions. The results are presented in the form of contingency tables. The positive correlation found between cloud cover and saturation deficit is greatly improved when a distinction is made between deep and shallow cloud conditions.

Abstract

The saturation deficit, a moisture parameter which is used in quantitative precipitation forecasting and which is a measure of the mean relative humidity in the layer 1000–500 mb., is related to both satellite-viewed cloud cover and cloud conditions. The results are presented in the form of contingency tables. The positive correlation found between cloud cover and saturation deficit is greatly improved when a distinction is made between deep and shallow cloud conditions.

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