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WATFSummaryJuly2003
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WATFSummaryJuly2003
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Last modified
7/10/2023 4:55:58 PM
Creation date
9/30/2006 10:34:28 AM
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Drought Mitigation
Title
Task Force Meeting Minutes
Date
7/16/2003
Description
Minutes
Basin
South Platte
Drought Mitigation - Doc Type
WATF Meeting Summary
Document Relationships
WATFAgendaJuly2003
(Message)
Path:
\Drought Mitigation\Backfile
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<br />Gunnison Basin <br />The SWSI value (-2.4) indicates that June basin water supplies for the Gunnison Basin were <br />below nonnal. Streamflows are below normal. Since late May and early June, the flows have <br />dropped sharply; therefore the flows for the summer months are likely to be low unless <br />supplemented by rainfall. Storage in Taylor Park, Crawford, and Fruitland reservoirs totaled <br />82% of nonnal as of the end of June. <br /> <br />Colorado Basin <br />The SWSI value (-1.6) indicates that June basin water supplies were slightly below nonnal. The <br />end of June found very little remaining snowpack; stream levels have dropped to below average <br />through much of the basin. Storage in Green Mountain, Ruedi, and Williams Fork reservoirs <br />totaled 106% of average at the end of June. <br /> <br />Yampa/White Basin <br />The SWSI value (0.0) indicates that the June basin water supplies were near nonnal. Wanner <br />than nonnal temperatures at the beginning of June caused a rapid melt of the high elevation <br />snowpack. Stream flows throughout rose rapidly to above average levels, but by the end of <br />June most stream flows were below nonnal. <br /> <br />San Juan/Dolores Basin <br />The SWSI value (-2.6) indicates that June water basin supplies were below normal. There was <br />not a significant runoff from the upper level snowpack. Stream flows peaked in May and <br />dropped steadily through June. Reservoirs reached higher levels from early runoff; however <br />were tapped significantly and held far less than average at the end of June. Storage in Lemon <br />reservoir totaled 39% of normal the end of June. <br /> <br />Roger Pielke, State Climatologist <br />Mr. Pielke explained that the western United States ranked high in the global prospective for <br />drought and dry conditions. Also included was a statewide average for Colorado, even though <br />the statewide concept is misleading. Statewide June 18th was reported to be the wettest, while <br />1992 was the driest June on record. Mr. Pielke believes the basin concept is much more <br />accurate. In the last month, the northeast part of the state had more precipitation causing wetter <br />conditions while the southwest part of the state is dry; however, most of the state is having an <br />above average water year. He said the southwest part of the state is not out of the drought, and <br />we all could fall right back into the drought if it gets dry again with hot temperatures and little or <br />no precip. Also, brush fires will be a threat in the next couple of weeks if we don't get moisture. <br /> <br />Bob Glancy, National Weather Service, Short Tenn Weather Forecast <br />Mr. Glancy reported that Denver has had only two days this far in July when the temperatures <br />have been below 90 degrees. We are running 3-4 degrees above nonnal so far this July. He <br />indicated that with an average summer, things will start to moisten up. We will have some dry <br />lightning stonns, which can cause extreme fire danger. Mr. Glancy said with the hot conditions <br />we have had, we have extreme fire danger in the southwest and western part of the state, very <br />high fire danger in the north central and south central part of the state, and the southeast is very <br />hot. Lightning starts many fires throughout the whole state. Typical Colorado summers indicate <br />flash flood threats in late July. It is possible that we will transition from a dry hot ridge to a <br />stable moist ridge in the next couple of weeks. It will be fairly hot later. Mr. Glancy said a weak <br />
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