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FLOOD11734
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FLOOD11734
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Last modified
5/17/2010 12:52:32 PM
Creation date
5/20/2008 2:29:02 PM
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Floodplain Documents
County
Douglas
Stream Name
Cherry Creek
Title
Probable Maximum Precipitation Study for Cherry Creek Reservoir - Questions and AWA Actions
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />CEPAR~(NT OF THf AP.HY <br /> <br />STORM <br /> <br />CORPS OF ENGINEERS <br /> <br />STUDIES - PERTINENT DATA SHEET <br />Storm of 2-6 June 1921 <br />Assignment SW 1-23 <br />Location Colo. -N.~x. -TE!X. -Kans <br />study Prepared by: <br />Southwestern Di visiolD <br />Albuquerque District <br /> <br /> <br />-I.EGE"O- <br />,--., Area covered by <br />t..,: final i$ohyetal map. <br />~ Area Intlo.ed by <br />~ 2-lnch j,ohyet. LOCATION MAP <br /> <br />Part I Reviewed by H. M. Sec. of <br />Weather Bureau, 17 July 1946 <br />Part n Approved by Office, Chief <br />of Enrineer~ for Distribution <br />of Factual Data, 18 Mu. 1960 <br />Remarks: Center near Pueblo, <br />Colorado, Dewpt. 670, Ref. <br />Pt. 1~00 SE. <br />Grid F-19 <br /> <br />DATA AND COMPUTATIONS COMPILED <br />PART I <br /> <br />Preliminary isohyetal map, in 1 sheet" scale 1:1,300,000 <br />Precipitation data and mass curvu: (Number of Sheets) <br />Form 5001-C (Hourly preclp. data)______________________ 7, <br />Form 5001-6 (24-hollr. · >----------------______ 17 <br />form 5001-0 (" · · · >------.;.--------------- ,1 <br />Mist\. pretlp. recorda, meteorolo(ical data, etc..______________ ___-) <br />Form 5002 (Mass rainfall curves)_______________________ 49'; - <br />PART lI, <br />,'" <br /> <br />(f i <br />, ) <br />~~:) <br /> <br />Final isohyetal maps, In 1 sheet, scale 1:1,300,000 \~" <br />Data and computation sheets:\', ., <br />Form 5-10 (Data from mass rainfall curves)______________ 6 <br />Form 5-11 (Depth-arel data from isohyetal map)___________ 2 <br />fJrm 5-12 (Maximum depth-duration data)________________ 6 <br />Max.imum duration - depth- area c.urves_ --- - --- -- -- - - - -- - - 1 <br />Data relating to periods of ma~imum rainfal'-____________ 2 <br />MAXIMUM AVERAGE DEPTH OF' RAINFALL IN INCHES <br /> <br />Area in Sq. Mi. Duration of Rainfall in Hours <br /> 6 12 18 24 ~o ~6 48 Go 72 96 114 <br /> 10 10.4 11.3 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 12.0 <br /> 100 8.8 10.4 11.0 11.1 11.1 11.1 1.1. 2 11.2 11.2 11.2 11.2 <br /> 200 7.9 9.7 10.3 10.4 10.4- 10.5 10.7 10.7 10.7 10.7 10.7 <br /> 500 6.5 8.4- 9.0 9.1 9.1 9.4 9.6 9.7 9.7 9.7 9.7 <br /> 1000 5.4 7.1 7.8 7.8 7.8 8.2 8.6 8.7 8.7 8.7 8.7 <br /> 2000 4.2 5.4 6.1 6.2 6.2 6.9 7.1 7.4 7.4 7.6 7.7 <br /> 5000 2.7 4.0 4.3 4.4 4.9 5.6 5.7 6.0 6.2 6.5 6.6 <br /> 10,000 2.1 3.3 3.5 3.6 4.3 5.0 5.1 5.4 5.5 5.8 5.9 <br /> 20,000 1.6 2.7 2.9 3.0 3.7 4.4 4.5 4.8 4.8 5.2 5.3 <br /> 50,000 1.1 2.0 2.2 2.3 2.9 3.5 3.7 3.9 4.0 4.3 4.4 <br /> 100 ,000 0.8 1.5 1.7 1.8 2.2 2.8 3.1 3,3 3.4 3.7 3.8 <br /> 144 ,000 0.7 1.3 1.5 1.6 1.9 2.4 2.7 2.9 3.1 3.4 3.5 <br /> <br />f='orm 5-2 <br /> <br />',' " <br /> <br />'~. '<\ <br /> <br />{' <br />( <br /> <br />, . <br />, . <br /> <br />',0) <br /> <br />/ <br />
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