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<br />Tr <br />I, <br /> <br />v. ANALYSIS <br /> <br /> <br />This section contains the results of processing and <br />analyzing many types of data into a form that will <br />be useful for Phase II comparison work. The mag- <br />nitude of processed data is such that publishing all <br />of it is impractical; instead we include here and in <br />Appendix D representative examples. The remain- <br />der is available at Steamboat Springs. <br />To the meteorologist or hydrologist, the winter <br />season of 1964-65 has not been "average"; precipita- <br />tion through 1 May was about 125 percent of nor- <br />mal as measured at Steamboat Springs, figures 41,42 <br />and Appendix D. Although the ridge snowcourses <br />are new, it is a fair inference that their snowpack <br />was also above normal. It is important that this lack <br />of normalcy in the long-term sense not be an ingredi- <br />ent of the evaluation techniques that we use-and <br />it is not. <br /> <br />on <br />OIl <br />>- <br />ct <br />2 a: <br />"u <br />,,,, <br />.,Q: <br />",Q. <br />~>- <br />o ..J <br />Z :r <br />... <br />..Z <br />o <br />a: :IE <br />;:; :..J <br />'" ct <br />II: U <br />Q. - <br />Cl <br />>- 0 <br />..J ..J <br />:r 0 <br />...... <br />Zct <br />o :IE <br />2 - <br />..J <br />..Ju <br />ct <br />:> <br />... <br />u <br />ct <br /> <br />2.8 <br />2.4 <br />2.0 <br />1.6 <br />1.2 <br />0.8 <br />0.4 <br />0 <br />NOV. <br /> <br /> <br />------------ <br />~. <br /> <br />/" <br /> <br />" <br /> <br />-1 DATA ANALV,IS PIRIOD r--- <br /> <br />DEC. JAN. FEB. MAR. APR. <br /> <br />MONTH <br /> <br />Figure 41.-Nonnalized Steamboat Springs Precipitation Data, <br />1964-65 Season. <br /> <br />Storms occur rather frequently around Steamboat <br /> <br />Springs during the winter months; in the period of <br />interest-l February 1965 to I May 1965-there were <br /> <br />26 separate storm sequences, each of which we call <br />an analysis period, table 4. For each of them, we <br /> <br />gathered together all of the processed climatological, <br /> <br />snowcourse, synoptic meteorological, local meteoro- <br />logical, particle detection and precipitation data <br />that we could obtain from the measurement net- <br /> <br />work and other sources. The purpose is to deter- <br />mine 'the natural characteristics of nuclei concen- <br />tration, diffusion, and precipitation in the Park <br /> <br />Range area and how these characteristics are para- <br />metric in other physical measurements. As a result <br />of this work, we want to be able to answer the fol- <br /> <br />lowing questions in Phase II operations: <br /> <br />Under given storm conditions will artificial freezing <br />nuclei reach the target area, how much of the target <br />volume will be covered, and in what concentration? <br />was there a deficiency of natural freezing nuclei? <br />how many artificial nuclei were being dispersed? <br />did artificial freeling nuclei reach the target area, how <br />much of the target volume was coyered, and in what <br />concentration? <br /> <br />C~I."TOI.O.ICAL. .0'1. -1IA1'. . <br />.....0. ,... _.. .0\1.. ..., . 0 <br /> <br />STfAMBOAT <br /> <br /> <br />PYRAMID <br /> <br />Y AMP" <br /> <br />'.......... <br />.............. <br />':/' <br />".' <br />,.If' <br />/ <br />.- <br />,..(1"", <br />_.......,...... <br /> <br />HAYDEN <br /> <br />CRAIG <br /> <br />COALMONT <br /> <br />WAL.DEN <br /> <br />0.1 0.2 0.3 0.4 0.5 0.1 0.7 0.' 0.9 1.0 1.1 <br />PRECIPITATION NORMALIZED TO STEAMBOAT SPRINGS. <br /> <br />Figure 42.-Nonnalized Seasonal Precipitation Data for Cli- <br />matological Stations. <br /> <br />31 <br />