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<br />feet. By 14 June the increasing surface pressllnls over the central <br /> <br />plains, coupled with a lov-pressure !Lrea centerei[ over ChihuahWl,. <br /> <br /> <br />Mexico, induced an inflov of moist Gulf' air into northeastern :Ney <br /> <br />Mexico and eastern Colorado, d8lDllling it up againl!<t the Rock3'" Mountains <br /> <br />beneath the cold air alof't. 'lh;l.s cODlbination of surface and upper <br /> <br />air conditions resulted in extreme1;r unstable atmosIherie conditions <br /> <br />and reinforced by mechanical lif'ting lIIld convergence produced pheno- <br /> <br />menaJ. rains and tremendous floods. <br /> <br />(2) Heavy rains occ"UITed over the upper Founta:tn <br /> <br />-.. <br />Creek and contiguous areas and .over the right bank tributaries of the <br /> <br />Arkansas River in Colorado east of Rock;y- Ford. In southeastern <br /> <br />Colorado there was an lB-inch storm center over southern Pl'Olfel"S <br /> <br />County, and a 16-inch center o~r e'lSte:rn Provers County. A supple- <br /> <br />mental rainfall report in south~rn I'rO\(ers County, 28 miles SSE of <br /> <br />Lamar, indicated 15.5 inches of pre<:ipitation frOll1 midnight untH <br /> <br />2:00 p.m. on 16 June. Holly reJ>Or-tE,d a 24-hour total of 11.08 iJlches <br />by 6 :00 a. m. on the 17th. 'lhe eage at Gr8J1ada recorded 5. 38 inch es on <br /> <br />the 17th with a maximum intensi"W oj~ .1 tnch in an hour. <br /> <br />(3) Despi te conqllete' ,control of the Arkansas Rl. vel' at <br /> <br />John Martin Dam, tremendous in1'J.ov 1'rom tributaric!S between the dam <br /> <br />and the Colorado-Kansas state une prc)duced unprec:edented flclWS 1.0. <br />the Arkansas River. Wolf 6-eek produced a peak flow of 35,300 c.f.s. <br />Just above State Highw~ li7, about 9 lIIl.d one-half miles southwest <br /> <br />of Granada. 'lhis floodt'lov bre&ched the, levee west of Grllllada and <br /> <br />flOOded the town with depths up to 6 j~eet. <br /> <br />App. 3 <br />6 <br />