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<br /> <br />516 <br /> <br />1984 - 85 <br />SCPP Target Areas <br />and Instrumentation Locations <br /> <br />Fllltd <br /> <br />Vol. 67, No.5, May 1986 <br /> <br />. <br /> <br />. <br /> <br />. <br /> . <br /> . <br /> . <br /> . <br /> , <br />Doppler Radar '1- <br /> . <(''\~ <br /> '9,t- <br /> . < , <br /> , <br /> <br />. Betfort WeiQhinQ GaQt <br />o Rawinlande <br />00 Probe <br /> <br />1210 <br /> <br />I <br /> <br /> <br />10 0 <br />. .. .1 <br /> <br />10 20 30 40 50 <br /> . kilometerl <br /> 10 20 <br />. I nautical miles <br /> 39030' - <br /> 1200 <br /> <br />10 0 <br /> <br />I.. a.a ...1 <br /> <br /> 4 <br />- 3 10,000 .:: <br />E - <br />.. <br />- . <br /> 2 '0 <br />~ ::I <br /> - <br />.c - <br />0 5,000 ~ <br />-. SIERRA <br />~ <br /> NEVADA <br /> 0 0 <br /> WEST 100 50 CREST 50km EAST <br /> <br /> <br />FIG. 3. (top) Layout of SCPPinstrumentation for the 1984/85 field season and (bottom) elevation transect over the American River Basin. <br /> <br />hopper or by dropping burning pyrotechnic flares containing <br />AgI. It carries a limited set of meteorological instruments. <br />The cloud-physics aircraft is state of the art. The present air- <br />craft, a Super-King Air 200T, is operated by the University of <br />Wyoming. It carries a number of sophisticated laser probes <br />capable of counting, sizing, and imaging cloud and precipita- <br />tion particles as it performs its mission. Both aircraft are fly- <br />ing laboratories in that theon-board computers provide the <br />on-board scientists with data for real-time guidance offield <br />operations; the data are recorded on magnetic tape. A com- <br />puter on the ground provides processed data overnight for <br />quality control and in-depth analyses. The computer on <br />board the cloud-physics aircraft is used to quantify the seed- <br />ability of cloud formations and to make repeated penetra- <br /> <br />tions of a seeded volume of air, thereby allowing the growth <br />and fallout of ice particles produced by seeding to be <br />monitored. <br /> <br />b. Rawinsondes <br /> <br />Vertical profiles of wind, temperature, and moisture are de- <br />rived from rawinsonde stations at Sheridan (SHR), Blue Can- <br />yon (BLU), Kingvale (KGV), and Fi-eshpond (FSP)at three- <br />hour intervals. <br /> <br />c. Radar <br /> <br />The Skywater C-band weather radar set located near Sheri- <br />dan is used to track precipitation areas and to monitor proj- <br />