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<br />!:~ ". <br /> <br />.. <br />- <br /> <br />Opera cion Plan (conCinued) <br /> <br />and p ibals. Also available will be radar data, half-hourly <br />sattelite maps fro~ the National Weather Service, rawinsonde <br />data and other forecast aids to assist in selecting favorable <br />storm periods suitable for ~odification to achieve the incended <br />objectives. <br />3) Types of Aircrafc: <br />There will be no aircraft used for seeding on this program. <br />'.All cloud nucl~igenerators will be operated from the ground. <br />4) . Description of the Seedin~ Devices, Materials and Seeding <br />.' Rates 9" etc.: <br />'Eight (.8.) manually operated ground-based cloud nuclei <br />generators will be located within and around the project areas. <br />These. manually operated generators will be the same type as used <br />. on the Colorado 1l1ver Basin Pilot Project and projects. operated <br />:. . by Western Weather Consultants during the past 22 years. <br />.' . <br />'. ~ ".' tn'previous use, these generators have proven to be efficient nuclei <br />.. . <br />'. .generators, safe and r~quire very little maintenance. The solution <br />used will be a'4% silver iodide and a 1.25% sodium iodide solution <br />in acetone. The solution when burned in a propane flame at a rate <br />. ." . .Y c . . 6 <br />of 20 grams per bour per site will produce approximately 101 <br />effective nuclei in cloud. systems with a 500 lIlb' temper~'ture . around <br />~200 ~. . This variable. output generator will be' operated at <br />. ra~~~ from 5 to~ g~~S per hourdepe~ding on the seedability <br />of cloud conditions. <br /> <br />....,: <br /> <br />~). Description of Row the Project will be Implemenced and <br /><:,:',. Carried Out: <br />The operational procedures to .be used by the' applicant to. <br />achieVe the stated objective are to produce silver iodide crystals <br />(artificial cloud nuclei)'from the network of ground-based generators <br />for diffusion by favorable wind flows into selected storm or cloud <br />types favorable' for reasonable precipitation increases over the <br />project area. An analysis of low-level wind fields,' cloud charac- <br />teristics, stability parameters, terrain features, and synoptic <br /> <br />. . <br /> <br />5. <br />