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<br />LIFE CYCLE <br />OF CLOUD DEVELOPMENT <br /> <br />*.:~",~ . <br />. . ,//./ . '" <br />~~-= r/./:f'/' *. <br />~- t j( *:::,- (tlffl I <br />MODI FI E D CLOU D ::*/:f~1~;-- ~;fi;f{*;~) <br />looF~JECTIVE 11- - - - - -__~l$:~~...==.___ *'!~:Mlo~j<J <br /><;';- --- . . 1/ ~'1!~' t,.t'L~'1 0* <br />(), ( ". C*' r .'.0 ~ *' <br />320F - - - - - - - - - - (t,+t.~{:...O - - - 'I'~.~\JI\~O .','1- - ~O:f':fJ: ^~,~ <br />o ~!"IIO') .11\.' ,.0) .' J -<. <br />0/0 o. vi' . :1/):;0 . .oo\o~" c.' )0' .':' ~ , 0 0 <br />o 0 0 0 . )./110' . , ..... (.. 0 . . <br />o QO . . .... . . 0 <br />o 0 - .' ., 0 . " 0 . . 0 <br />I oO,;o:J' 0 . J\.l.\:o~ ~: ....~\..~o:...~.~. (..:I;:/. "~. j '.' <br />. "0 1 . . . \,\. '"' I . :. .~'~..., y l. . . . 0 ~ \ 0 <br />o.\:-~.:~~ ~0~~;\"':":;"'~ \', ')\1\~\T <br />Ag I . .~ ,\~ .\\\; ~\~~:~: <br />~~_. ~=--~ ~ .",.",. <br /> <br /> <br /> <br />~ <br /> <br />) <br /> <br />b <br /> <br />( <br /> <br /> <br />Much more water <br />is processed by larger <br />cloud, resulting in more <br />precipitation on the <br />ground. <br /> <br />Great amount of heat is re- <br />leased when supercooled <br />drops freeze, causing sub- <br />stantial cloud growth. <br /> <br /> <br />Concentrated charge of silver <br />iodide (AGI) delivered into <br />updraft of cloud. <br /> <br /> <br />FlED CLOUD.. Ifavorable _ *.~. <br />MO DI JECTlVE 2 -When con~~~~sa:~ '. ~ ,:,:,'t-l";/ <br />IboF - (~~r stimulnled ~~:d 'kOOFt.lMIN) ,.:ti~ _; 1~:J'*1 :n:" __ <br />updrafts less t - . *'o~l~;j" -~ - I': .0' <..:\~........ <br />- -(J . .0,_ , ~. '.' ", <br />- - - - - '. :in,:', :.' ;:':.;:.:":0 <br />'220F - - - ~-" ..f.. o\~r:..~ :'f" t.u..,~Y:...~ <br />.,J ( ~., ~'o O{ · "\,... :: \ ...', '.::\'; , , <br />.. '. ., .r!' ' , , _____ ". ' 0,., '., _ <br />( ..\:::::-: ;. '.:,~.r::. ;" 1 . :~,~~\~~~;.~..'::',~~ ----= <br />" 1,,0.,. ,\0 ~. ....\ ~=-4_ \\\\\.~\\~\~_ <br />( .1'.... ... . .~~ ~ >, ., _ _ <br />.' '. . .. . ....' - . <br /> <br />I' ------:--: 25 min. <br />5mln <br /> <br /> <br /> <br />(c) <br /> <br /> <br />--=::;::--~ ---~- <br /> <br />Time n <br /> <br />n <br />Moderate rain <br />conti nu es os <br />cloud dissipates <br /> <br />35m <br /> <br />(I) Many ice crystals form in super- <br />cooled region of cloud and grow <br />at expense of cloud droplets. <br />(2) preci p itation beg ins when large <br />ice crystals fall and melt. <br /> <br />Silver iodide <br />de I ivered into <br />updraft. <br /> <br />n <br /> <br />Om <br /> <br />- <br /> <br />5m <br /> <br />LEGEN 0 <br />* -Ice <br />DOoO-Liquid droplets <br />-Ag I nuclei <br />