INVESTIGATION OF INSTRUMENTATION AND TECHNIQUES FOR ARMY WEATHER OBSERVATION.
Final rept., 1 Feb 62-31 Mar 63,
OREGON STATE UNIV CORVALLIS
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A description is given of observations and analysis of nine case studies of data obtained from a detailed mesometeorological surface observing system coincident with the collection of PPI and RHI data from an ANCPS-9 weather radar and a vertically-pointing radar. The surface observations included measurements of the dropsize distributions, occasionally hail samples, charge on precipitation, and earth-air current in addition to the usual observations. Primary emphasis in this sudy centers on the orographic effects on the precipitation distribution. Use of stepped receiver gain permitted detailed analysis of radar data to reveal orographic effects and other factors operating in the precipitation process. Author