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Last modified
8/16/2009 3:13:36 PM
Creation date
10/4/2006 7:12:41 AM
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Template:
Board Meetings
Board Meeting Date
9/27/1999
Description
Flood Section - Platte River Basin Issues - Report Regarding the Cherry Creek Dam Safety Study
Board Meetings - Doc Type
Memo
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<br />.' <br /> <br />o <br /> <br />0' <br /> <br />File: PMPtopics799summory.doc <br /> <br />y~ <br /> <br />July 21,1999 <br /> <br />.' <br /> <br />e <br /> <br />31. Techniquesfrom two separate Jiyarometeorological Reports (HMR's) i.e. HMR 52 <br />and HMR 55A are combined. wtthout denwnstrating consistency among the <br />assumptions and data bases used in tire two documents. (Tomlinson) <br /> <br />No consensus is reached by the group. The NWS will examine a way to verify v <br />this assumption. <br /> <br />32. The HftfR 52 techniques were developed for and intended for use ~ of the <br />orographic separation line (OSL) in 'Colorado (HMR 55A), i.e. over the eastern plains <br />of Colorado and central plains of the US. The Cherry Creek Drainage lies almost <br />entirely ~ of the OSL HftfR 55A _ states that additional study is required before <br />HjtlR 52 techniques as developed for non-orographic storms can be applied reliably to <br />the Cherry Creek Drainage. The discussion in the study does not provide this addition <br />study. (Tomlinson) <br /> <br />No consensus is reached by the group. The NWS will examine a way to verify this V' <br />assumption <br /> <br />33. What is the stratification of rain versus snow for the events selected for the <br />antecedent study. What are the impacts of snow events (if any) on the study. (Hen::;) <br /> <br />NWS will examine and report back their findings. <br /> <br />e <br /> <br />34. Domain for storms used in Antecedent Storm Study is not the same domain for <br />storms used in HMR 52. (Tomlinson) <br /> <br />The NWS will examine the issue and will respond to the concern. <br /> <br />35. The data from the Antecedent Storm Study is a spurious correlation of data. <br />(Schaffer via Tomlinson) <br /> <br />The NWS will examine the issue and will respond to the concern. <br /> <br />36. Propose analydng additional storms identified by the State Oimatologist to <br />compare with the withinlwith!JUt curves in HftfR 52. <br /> <br />No consensus here. The NWS will examine a way to verify this assumption v' <br /> <br />.. <br /> <br />- <br /> <br />; ,.s, .... . ,!opiato21 JlIlyl999TeduriaIlMediIIg . ... 8 <br />-~-:>~ -'c!_~..:~~2";~7.~~~if;;';;~~.~~~;~~~:~~:~~~~~;L:",;~ ~:-,: ">;-. '<i,:~-~~~-::-::-- ._.~,~ . <br /> <br />. - ..'. . <br />. - ::.. -;. _:;-.:-,:,.;:-:;;:;;;.";"~ <br /> <br />... <br />.. .'-.--,'" <br />.. __d:' ..:...:...:j-':~';~":,- <br />:;.:.~~:~t~~J~L <br />
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