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Last modified
1/26/2010 10:09:28 AM
Creation date
10/5/2006 4:25:01 AM
Metadata
Fields
Template:
Floodplain Documents
County
Prowers
Community
Holly
Stream Name
Arkansas River, Wild Horse Creek
Basin
Arkansas
Title
Special Flood Hazard Information Report
Date
4/1/1975
Prepared For
Holly
Prepared By
US Army Corps of Engineers
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br /> <br />Flood of June 1965 - The flood producing rains of 13- <br /> <br /> <br />19 June were the culmination of a strong and persistent weather <br /> <br /> <br />pattern that had existed over the western United States for about <br /> <br /> <br />four months. By 14 June, increasing surface pressures over the <br /> <br /> <br />central plains, coupled with a low-pressure area centered over <br /> <br /> <br />Chihuahua, Mexico, had induced an inflow of moist Gulf air into <br /> <br />~ <br /> <br />northeastern New Mexico and eastern Colorado, damming it up against <br /> <br /> <br />the Rocky Mountains beneath the cold air aloft. This resulted in <br /> <br /> <br />extremely unstable atmospheric conditions and, reinforced by <br /> <br /> <br />mechanical lifting and convergence, produced phenomenal rains. In <br /> <br /> <br />southeastern Colorado, there was an IS-inch storm center over <br /> <br />southern prowers County and a 16-inch storm center over eastern <br /> <br /> <br />prowers County. <br /> <br /> <br />Despite complete control of the Arkansas River at John <br /> <br /> <br />Martin Reservoir, tremendous inflows from south bank tributaries <br /> <br /> <br />between the reservoir and Holly produced unprecedented flow in the <br /> <br /> <br />Arkansas River between Lamar, Colorado and Great Bend, Kansas. On <br /> <br />17 June, the Arkansas River peaked at an estimated 200,000 c.f.s. <br /> <br /> <br />at Holly and wild Horse Creek peaked at 10,600 c.f.s. <br /> <br />Scenes of damages inflicted by the flood of June 1965 <br /> <br /> <br />are shown in Figures 1, 2, and 3 on pages that follow. <br /> <br />App. 4 <br />7 <br />
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