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<br />II. Conduct of Operations <br /> <br />A, General Scheduling <br /> <br />Field operations during 1978 will concentrate on the period of con- <br /> <br />vective activity from late morning to early evening, Intensive aircraft <br /> <br />and radar sampling of clouds will be possible anytime between approximately <br />1 <br />1030 and darkness (end of civil twilight). <br /> <br />The field season will commence on the morning of May 1, 1978, which <br /> <br />will be the beginning of a three-month period of radar, rawinsonde. and time- <br /> <br />lapse camera observations. Aircraft sampling will commence on JunE! 1, 1978, <br /> <br />with the arrival of the University of Wyoming (m~) King Air Super 200. This <br /> <br />aircraft will operate out of Miles City until late July, It will be joined <br /> <br />by the Colorado International Corporation (CIC) Learjet seeding aircraft <br /> <br />during July 1978, <br /> <br />Throughout the May 1 through July 31 period, routine operations ~vi11 <br /> <br />be scheduled 6 days pe!r week, Honday,through Saturday, Sunday ~vi11 usually <br /> <br />be a day off. In addition, the legal holidays of May 29 and July 4 will <br /> <br />be days off, However, this planned schedule may occasionally be modified at <br /> <br />the project director's discretion if it appears to be advantageous for the <br /> <br />experiment; e.g., if, on a Saturday, the prospects for suitable cloud deve10p- <br /> <br />ment appear very likely for the following day, July 9, a Sunday, will be <br /> <br />a working day as a HIPLEX open house is planned in conjunction with an air <br /> <br />show at the Miles City airport. <br /> <br />1All times in this plan are in mountain daylight time(m.d.t.) unless _ <br />otherwise noted; m.d.t. wf1l be used for scheduling exp~rime~ta1 activities <br />and all times are military time (for example, 1200 is noon, 1800 is 6 p.rn" <br />etc" based on a 24-hour clock), HmJever! all recor_d~(Lda1:a wi~l be__ <br />referenced to coordinated universal time (c,u.t,) again using a 24-hour <br />clock, Radio station ~MV will be used to determine accurate c.u.t. time <br />which is 6 hours ahead of m.d.t, <br /> <br />II-I <br />