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Last modified
1/29/2010 10:11:56 AM
Creation date
10/5/2006 1:21:17 AM
Metadata
Fields
Template:
Floodplain Documents
County
Douglas
Arapahoe
Community
Greenwood Village, Aurora
Stream Name
Cherry Creek
Basin
South Platte
Title
Probable Maximum Precipitation Study for Cherry Creek Reservoir - Facts
Date
1/1/1997
Prepared For
CWCB
Prepared By
CWCB
Floodplain - Doc Type
Project
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<br />Untilled <br /> <br />Page [ of3 <br /> <br />1999 <br /> <br />SENATE JOINT RESOLUTION 99-023 <br /> <br />BY SENATORS Andrews, Evans, Lambol11, Amold, Blickensderfer, Congrove, Hillman, <br />Musgrave, and Tebedo; <br /> <br />also REPRESENT A TIVES Clapp, Nuiiez, Spence, Allen, Dean, Decker, Fairbank, Hefley, <br />Hoppe, Lee, Miller, Scott, Smith, and Spradley. <br /> <br />CONCERi\lING AN INDEPENDENT PEER REVIEW OF THE FEDERAL NATIONAL <br />WEATHER SERVICE PROBABLE MAXIMUM PRECIPITATION STUDY USED BY <br />THE UNITED STATES ARMY CORPS OF ENGINEERS IN THEIR REDESIGN STUDY <br />RELA TING TO THE CHERRY CREEK DAM. <br /> <br />WHEREAS, The terms "probable maximum flood" and "probable maximum precipitation" <br />as used by the United States Anny Corps of Engineers are misleading terminology because <br />they arc both improbable events with respect to the Cherry Creek Basin; and <br /> <br />WHEREAS, The United States Army Corps of Engineers has assumed the Cherry Creek <br />Dam will fail following an extraordinarily improbable chain of events; and <br /> <br />WHEREAS, The probable maximum precipitation is a theoretical maximum only and has <br />somewhere between a one in one million to a one in one billion chance of occurring in any <br />single year; and <br /> <br />WHEREAS, The site specific probable maximum precipitation study completed for the <br />United States Army Corps of Engineers by the National Weather Service has erroneously <br />applied meteorological procedures and fails to include documented historical paleo f100d <br />evidence; and <br /> <br />WHEREAS, This error is further compounded by the erroneous assumption that the <br />topographic effects of the Palmer Divide will increase the rainfall in the Cherry Creek <br />Basin; and <br /> <br />WHEREAS, The probable maximum flood used by the United States Army Corps of <br /> <br />hllp:llwww.slate.eo.uslgov_dirlleiLdirlsess\999Isres99Isjr023.htm <br /> <br />91\ 012003 <br />
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