As part of RAND's Climate Dynamics Study and the formulation of a theory of climatic change, UCLA's Mintz-Arakawa model was modified at RAND to run with input conditions reflecting present climatic variables and also with input conditions reflecting man-made changes or past climates. Weather maps are generated which show the contour intervals of such variables as temperature, precipitation, cloudiness, etc., in addition to the continental outlines. Images of these weather maps have now been generated with contour intervals in different shades of gray or colors. For example, total cloudiness is plotted with the light grays the least clouds and the darker shades the heavy clouds, giving an instant grasp of the overall global cloudiness conditions. This represents a new way to present complicated worldwide weather data in a format that can be more readily interpreted by the meteorologist. 12 pp. Ref.
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