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<br />, I <br />. <br /> <br />'. <br /> <br />l. Operation Plan (continued) <br /> <br />and p ibals. Also available will be radsr data, half-hourly <br />sattelite maps from the National Weather Service, rawinsonde <br />data and other forecast aids to assist in selecting favorable <br />storm periods suitable for modification to achieve the intended <br />objectives. <br />J) Types of Aircraft: <br />There will be no aircraft used for seeding on this program. <br />All cloud nuclei generators will be operated from the ground. . <br />4) Description of the SeedinR Devices, Materials and SeedinR <br />Rates, etc.: <br />Twelve (12) manually operated ground-based cloud nuclei <br />generators will be located within and around the projectareaa. <br />These manually operated generacors will be the same type as used <br />on the Colorado River Basin Pilot Project and projects operated <br />by Western Weather Consultants, Inc. during the past six' years. <br />In previous use, these generators have proven to be efficient nuclei <br />generators, safe and require 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 />of 20 grams per hour per site will produce approximatelylOl6 <br />effective nuclei in cloud systems with a 500 mb temperature around <br />_200 C. This variable output generator will be operated at <br />rates from 5 to IS grams per hour dependina on the aeedability <br />of cloud conditions. <br />5) Description of How the Pro1ect will be Implemented and <br />Carrfed 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 increaees over the <br />project area. An analysis of low-level wind fields, cloud charac- <br />teristics, stability parameters, terrain featurea, and synoptic <br /> <br />5 <br />