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<br />2 <br /> <br />and (4) the funding resources required. Significant efforts were made to <br /> <br />maximize the funding resources by combining federal/state funds for two years <br /> <br />~ <br /> <br />into a single year's full program. This made possible the acquisition of <br /> <br />aircraft and remote sensors to obtain the required parallel observations and <br /> <br />~ <br /> <br />to support coordinated analyses. Even with this network, it was understood <br /> <br />that only limited portions of the hypotheses testing, as outlined in the design <br /> <br />document, could be undertaken in the 1982-83 winter. The key research <br /> <br />problems identified for emphasis during this initial season were : <br /> <br />1. Determining the spatial and temporal distributions of supercooled <br />"L --------- _._-~ <br /> <br />liquid water for those storm types occurring during the field program. <br /> <br />2. Determining t~e_~fi~ciency of t~de1ivery of t~ se=~~ng~~~_ <br /> <br /> <br />A broad base of expertise from both universities and private industries <br /> <br />were brought together to perform the necessary observa~ions and analyses. <br /> <br />The initial cooperative observational program was mounted with minimal delays <br /> <br />and was able to employ most of the advanced instrument systems required. <br /> <br />The CSU analysis effort addressed the first key research problem identified <br /> <br />~ <br /> <br />above. This report covers the limited participation of CSU in the field <br /> <br />program and CSU participation in the analysis efforts. <br /> <br />The original CSU analysis plan provided for (1) Ku-band -ddar descriptions <br /> <br />of the time evolution of cloud characteristics of storm systems passing through <br /> <br />the study area, (2) descriptions of the spatial and temporal distribution of super- <br /> <br />cooled cloud water, (3) definition of the trajectories of cloud and precipitation <br /> <br />particles, and (4) the development of computer software programs to facilitate these <br /> <br />and other analyses. The spatial and temporal distribution of water was to be based <br /> <br />on analysis of dual-channel microwave radiometer observations, cloud physics <br /> <br />~ <br /> <br />aircraft observations, Ku-band radar observations of cloud characteristics, <br /> <br />and mountaintop observations of cloud liquid water (basic analysis of mountaintop ~ <br /> <br />observations to be provided by Atmospherics, Inc.). <br />