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<br />~ <br /> <br />-1 <br /> <br />convective storms. With this technique the nuclei generating <br /> <br />flares can be very selectively and rapidly dropped into the <br /> <br />new growth of threatening storms. <br /> <br />2. Threatening Storms <br /> <br />The droppable AgI flares will descend : lkm prior <br /> <br /> <br />to being consumed and only initiate ice crystals above the _Soc <br /> <br />level. The AgI ice nuclei will continue to initiate new ice <br />o <br />crystals above the -5 c level as long as supercooled cloud water <br /> <br />liquid water vapor is available. The individual columns of ice <br /> <br />crystals and ice nuclei from the individual droppab1e flares and <br /> <br />airborne AgI generators will merge by turbulent diffusion into a <br /> <br />continuous curtain. The droppab1e units will merge sooner than <br /> <br />below cloud-base because they are placed in the clouds between <br />_Soc and -lOoc. <br /> <br />3. Cloud-Base Seeding <br /> <br />Although cloud-top seeding was the main technique <br /> <br />J <br /> <br />used in Muddy Road VII, the third aircraft, a Beech Bonanza BE-50 <br /> <br />was designated to cloud-base seeding. <br /> <br />C. <br /> <br />Seeding and Radar Recognition <br /> <br />1. Dynamic Seeding <br /> <br />As with the past seasons, the "dynamic" seeding <br /> <br />- 18 - <br />