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WSP02995
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Last modified
1/26/2010 12:48:06 PM
Creation date
10/11/2006 11:29:12 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8056
Description
Drought Preparedness
State
CO
Basin
Statewide
Date
3/31/1977
Author
FPC-FEA
Title
Impacts of the Western Drought on Regional Electricity Generation
Water Supply Pro - Doc Type
Report/Study
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<br /> <br /><, <br /> <br />A'.'.' "'1'1 <br />~~::::~-"':"~~1 <br />':.' - -,' . .'-. <br />One of the WSCC region's standard benchmarks for <br />streamflows an~ expected generation capacity is the flow at <br />The Dalles on ~he Columbia River. According to the National <br />Weather Servic8, as of March 1st the streamflow forecasts <br />were for 51 pe.rcent of normal and well below the previous <br />record low flows of 1944 (January to July) and 1926 <br />(April to September). Streamflow forecasts at other <br />reading pointa were for between 38 percent and 70 percent <br />of normal. The March 1st outlook for inflow in the <br />region's reservoirs ranged between 35 and 84 percent of <br />normal data. Some of these percentages may be improved by <br />recent rainfall. <br />The Soil Conservation Service reports that snowpack <br />in the Columbia Basin was about 40 percent of the normal <br />March 1 level.' The Yakima River watershed has only <br />about 11 percent of its normal March 1 snowpack and the <br />Lewis River abbut 8 percent. Eastern Oregon and Idaho <br />watersheds have 15 to 25 percent of the average, although <br />the situation is better in the basin's mountain areas <br />where between 35 and 40 percent of the normal snowpack <br />exists. Details are given in Appendix II, Table 1. <br /> <br />;":?"'-':."~1ti\~~>-"" <br /> <br />., ," ':~;',::;ft~-(,:::~~; <br /> <br /> <br /> <br />~$:'~"'::i." ':; <br /> <br />'~"",','~"~ <br /> <br />i,':-i-:(' <br /> <br />16 <br />
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