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I I I I I I I I I I I I I I I I I I I METEOROLOGICAL MEASUREMENT EQUIPMENT Meteorological stations at five locations consist of an Aerovane wind speed-direction sensor, a standard shelter and hygrothe rmograph. An M-33 radar and FMQ-5 rawinsonde receiver have been operated from the Mt, Harris site. The M- 33 has PPI and A- scope pre sentations, and the FMQ-5 operates on the 403 mc frequency. The M-33 and FMQ-5 equipment have been used in cooperation with the National Center for Atmos- pheric Re search, A Nike-Ajax radar supplied by the Bureau of Reclamation was fully checked out and put into operating condition during this winte r season, Rou- tine wind-tracking operations using the Nike-Ajax began 1 April 1966 and the M-33 was removed for anothe r NCAR project on 15 April 1966. Figure 19 is an ae rial view of the r ada r site. HYDROLOGICAL MEASUREMENT EQUIPMENT Snowcourse measurements are made for the program by the Soil Con- servation Service. The SCS personnel have their own Sno Cat for ridge opera- tions, and we monitor their radio frequency for safety purposes. Snowcourse measurements have been made routinely 011 an 8-day cycle and after most storms. The U, S. Geological Survey installed stream gauges at Spring Creek, Walton Creek, and Service Creek during the past summer. The se stream gauge s we re in operation throughout the winter and produced data for the spring run-off. ARTIFICIAL NUCLEI GENERATORS We have installed four of the Hi-Output Skyfire type generators at the Emerald Mountain site. Two of these are used during anyone nucleating operation, Figure 20, The generators are calibrated by the CSU facility un- der the direction of Prof. Roger Steele, They have a nominal output of - Z7 -