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<br />v. ANALYSIS <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 />It) <br />II> <br />> <br /><( <br />2 a: <br />"u <br />,,,, <br />.,. a: <br />II> Q. <br />:;,; > <br />o ...J <br />z :r: <br />.... <br />... z <br />o <br />a: 2 <br /><; ...J <br />",<( <br />a: 0 <br />Q. - <br />'" <br />> 0 <br />...J ...J <br />:r: 0 <br />.... .... <br />z <( <br />o ::I! <br />::I! - <br />...J <br />...JO <br /><( <br />~ <br />.... <br />o <br /><( <br /> <br />2,8 <br /> <br />2,4 <br /> <br />2.0 <br /> <br /> <br />1.6 <br /> <br />1.2 <br /> <br />1.0--- - e <br />0.8 <br /> <br />..,.,,-e <br /> <br />/e <br />e <br />-1 DATA AH"LV'IS PERIOD r-- <br /> <br />0.4 <br /> <br />o <br /> <br />NOV. DEC. JAN. FEB. MAR, APR. <br /> <br />MONTH <br /> <br />Figure 41.-Normalized Steamboat Springs Precipitation Data, <br />1964-65 Season. <br /> <br />Storms occur rather frequently around Steamboat <br />Springs during the winter months; in the period of <br />interest--l February 1965 to 1 May 1965-there were <br />26 separate storm sequences, each of which we call <br />an analysis period, table 4. For each of them, we <br />gathered together all of the processed climatological, <br />snowcourse, synoptic meteorological, local meteoro- <br />logical, particle detection and precipitation data <br />that we could obtain from the measurement net- <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 />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 f~l- <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 bdng dispersed ? <br />did artificial freezing nuclei reach the target area, how <br />much of the target volume was covered, and in what <br />concen tration? <br /> <br />CLI...TOLOI'CAL, NOY.-..'. . <br />'."101l "'4-1' NOV.. ...,. 0 <br /> <br />STEAMBOAT <br /> <br /> <br />PYRAMID <br /> <br />VAMPA <br /> <br />HAYDEN <br /> <br />~, <br />~, <br />" <br />"/, <br />,/ <br />,p' <br />/ <br />;' <br />.....a'...... <br />-- <br />/' <br /> <br />CRAIG <br /> <br />COALMONT <br /> <br />WAL DEN <br /> <br />I I I I I <br />0.1 0.2 0.3 0.4 o.~ 0.6 0.7 0.8 0.9 1.0 1.1 <br /> <br />PRECIPITATION NORMALIZED TO STEAMBOAT SPR,NGS <br /> <br />Figure 42.-Normalized Seasonal Precipitation Data for Cli- <br />matological Stations. <br /> <br />31 <br />