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<br />CLOUD CHARACTERISTICS <br /> <br />Isolated Cells <br /> <br />Multiple cells <br />8000' in depth <br />o <br />Tops - 8 C or colder <br />Model predicted height <br />change of 300m or more. <br />LWC 1 gm/m or more, <br /> <br />Multiple cells <br />10 km in depth-growing <br />Model predicted updraft <br />15 mps or more <br /> <br />Radar Reflectivity above <br />25,000 ft. MSL <br />45' dbz or more <br /> <br />TABLE I <br /> <br />SEEDING CRITERIA <br /> <br />MODE <br /> <br />None <br /> <br />Rain <br />Augmentation <br /> <br />Hail <br />Suppression <br /> <br />Hail <br />Suppression <br /> <br />SEEDING RATE <br /> <br />4 to 6 25 gm cartridges <br />per new turret to <br />cause merging, <br />or <br />5gm/min at cloud base <br />inflow (acetone gen- <br />erator) <br /> <br />6 60 12 25g cartridges <br />per new turret <br />30-66 gram/min (75 gm <br />pyro flares at cloud <br />base inflow) <br /> <br />Accelerate above seed- <br />ing to treat all new <br />turrets <br />