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WMOD00284
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Last modified
7/28/2009 2:32:39 PM
Creation date
1/8/2008 12:16:50 PM
Metadata
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Template:
Weather Modification
Applicant
Thompson, J.R., G.W. Wilderson, and D.A. Griffith, North American Weather Consultants
Sponsor Name
USBR
Title
Cloud Seeding Data Collection, and Analysis Assoc. with the Colo River Augmentation Demonstration Program
Prepared For
USBR, Divison of Atmospheric Research
Prepared By
Thompson, Wilderson, Griffith
Date
12/1/1987
State
AZ
Weather Modification - Doc Type
Scientific Study
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<br />I <br /> <br />I <br /> <br />I <br /> <br />Episode Category/ <br />Rank & Date <br />Medina Wx Type <br /> <br />I <br /> <br />Episode Duration (hrs.) <br /> <br />SLW > . 01 mm <br />observed Brs. <br /> <br />I <br /> <br />Percent of Hrs. <br />SLW Observed <br /> <br />I <br /> <br />*D.T.S.F.-SLW <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />SLW Trend <br />During Episode <br /> <br />I <br /> <br />Avg. SLW (mm hr-1) <br />a) SLW HIti:i. > .01mm <br />b) EntLre EpIsode <br /> <br />I <br /> <br />I <br /> <br />Percent of Hrs. <br />SLW Mdt-Stg. <br /> <br />No. of Hrs, Precipe <br />Recorded at H. J. <br /> <br />I <br /> <br />Percent of Hrs, Precipe <br />at H. J. During Episode <br /> <br />I <br /> <br />*D.T,8.F.-PcPn <br /> <br />I <br /> <br />I <br /> <br />Total Precip, <br />at Happy Jack (in.) <br /> <br />I <br /> <br />Coldest Temp (OC) <br />a) at 700 mb <br />b) at 500 mb <br /> <br />88-7 <br />2/15-16 <br />A-2 <br /> <br />25 <br /> <br />16 <br /> <br />64 <br /> <br />Front <br />240 W <br /> <br />Lgt:. ... front <br />approached <br />then nil after <br />FROPA IInt.i! <br />weak convection <br />dev.loped <br />wit.h upper <br />low 0".,. 8. AI <br />~ 19t. through- <br />ou~. <br /> <br />.043 <br />.028 <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />Pre-Frt <br />250 W <br /> <br />0,.07 at <br />Baker Lk <br /> <br />-7 <br />-25 <br /> <br />Table 3-1 <br /> <br />Continued <br /> <br />88-8 <br />1/28 <br />B-2 <br /> <br />5 <br /> <br />5 <br /> <br />100 <br /> <br />250 W <br /> <br />Mdt until <br />front:. t.hen <br />lilt:. ,,1 ~ h <br />PROPA, then <br />nil. <br /> <br />.102 <br />.102 <br /> <br />60 <br /> <br />o <br /> <br />o <br /> <br />Front. <br />250 W <br /> <br />0, trace <br />at FLG. <br /> <br />o <br />-14 <br /> <br />8s-9 <br />1/15-17 <br />\ A-1 <br /> <br />64 <br /> <br />21 <br /> <br />33 <br /> <br />Upper <br />low <br />225 NW <br /> <br />Lgt.. incr...ed <br />to briefly <br />.clt.. .. upper <br />low and trou9h <br />approaahed <br />AS. t.hen nl1 <br />.. low and <br />cold air 110..4 <br />int.o AI. <br /> <br />.051 <br />.017 <br /> <br />14 <br /> <br />37 <br /> <br />58 <br /> <br />Upper <br />Low <br />200 NW <br /> <br />1.14 <br /> <br />-17 <br />-35 <br /> <br />S8-10 <br />1/19-20 <br />A-2 <br /> <br />26 <br /> <br />3 <br /> <br />12 <br /> <br />Upper <br />trough <br />100 NW <br /> <br />Ocnl. 19t.. to <br />t.rac.. but <br />.oatly nl1 <br />throughout <br /> <br />.018 <br />.002 <br /> <br />o <br /> <br />17 <br /> <br />65 <br /> <br />Upper <br />trough <br />50 NW <br /> <br />.38 <br /> <br />-12 <br />-30 <br /> <br />I <br /> <br />Ia the appro.. di.tane. (in naut.ial .ilea) that a aynoptic <br />feature such a. a low. front, or trough waa fro. Happy Jack <br />vhen SLM wa. fItat obaerved at. the uappy Jack radio..ter <br />aite. <br />..0 T 8 F-Pcpn Ie the appro.. di.tanae Cin naut.ical _lle.1 that. . synopt.ic <br />. . . feat.ure wa. fro. Happy Jack ..hen precipitation v.. f ir.t <br />recorded at the Happy Jack gauge. <br /> <br />I <br /> <br />ill D.T.S.F-SLW <br /> <br />3-12 <br /> <br />SC-1 <br />3/8-9 <br />A-2 <br /> <br />30 <br /> <br />27 <br /> <br />90 <br /> <br />Upper <br />trough <br />180 W <br /> <br />"dt: - .t.ron9 <br />.. t.ro'll9" <br />appro.abecl. <br />tban 4ecr...ed <br />to 191:. aft.e.. <br />trotlvb pa...g8. <br /> <br />.170 <br />.153 <br /> <br />52 <br /> <br />20 <br /> <br />67 <br /> <br />Upper <br />trough <br />175 W <br /> <br />.48 <br /> <br />- 4 <br />-20 <br />
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