CLOUD RESEARCH DATA
STANFORD RESEARCH INST MENLO PARK CA
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A summary and analysis of research on cloud cover conducted over a three-year period is presented. During this time various sources of cloud data such as WBAN-10 reports, whole-sky photographs, vertically pointing radar records, and high-altitude photographs from U-2 aircraft and TIROS sat ellites were subjected to detailed analyses. From these analyses we were able to obtain knowledge of 1 the occurrence of multiple layers of clouds, 2 the frequency with which upper layers above an overcast may not be detected by a surface observer, 3 the length, width, and height of cumuliform clouds, and 4 the size distributions of cloud elements composing a given number of tenths of cumulus cloud cover. Examples of our methods of treating these data, including pertinent illustrations and tables, are presented to indicate the detail with which the contract objectives were achieved.