Laserfiche WebLink
<br />.Page.3. <br /> <br />per.hour~ and the other with an output of approximately 2 grams <br /> <br />per hour. . . Within the generators, the silver iodide is vaporized <br /> <br />.. into microscopic crystals and dispersed into the natural air <br /> <br />currents. The crystals are carried aloft to the levels where <br /> <br />, . . : . <br />thE3ybe~ome .effectiveas nuclei for the formation of tiny ice. <br /> <br />;; <br /> <br />crystals, .which initiate a process of increasing precipitation. <br /> <br />Operations are directed and control~ed by staff meteorologists <br /> <br />... .in the Palm Springs office where surface and upper ~lir. conditions <br /> <br />. are .being monitored continuously. Based upon a number. of weather <br /> <br />factors.. (e. g. the large scale weather pattern aff~cting the <br /> <br />United States; the degree of airmass instability; the wind flow, <br /> <br />speed and direction at various levels between the ground and the <br /> <br />effective level for silver iodide), the controllers determine <br /> <br />the appropriate generators to be operated and for what period of <br /> <br />time. The instructions are telephoned directly to the individual <br /> <br />generator operators. <br /> <br />Following isa summary of the number of days on which operations <br /> <br />were conducted during each month and the total number of generator <br /> <br />hours .of operation: <br /> <br />~ <br /> <br /> NO. OF DAYS . HOURS <br /> OPERATED OPERATED <br />24 31 January . . 8 230:00 <br />I 28 February . . 19 437:45 <br />1 31 March . 24 615: 30 . <br />1 - 23 April . 18 410:30 <br /> I (1\ ) ---- <br />