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<br />.3
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<br />SUMMARY OF 24 OCTOBER 1996 EXTREME PRECIPITATION STUDY
<br />STORM LIST REVIEW WORKSHOP AT OFFICE OF THE STATE ENGINEER,
<br />DENVER
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<br />N.D. indicated there were many reports of O.23"lhour general rains during Event 4. Rainfall for Event 2
<br />extended well south and southeast of Gibson Dam. L.S. suggested the addition of Cherry Creek 1935
<br />event to the list B.J. stated that not much runoff evidence can be found for Big Elk Meadows storm He
<br />emphasized the need to look at both precipitation and runoff for elch event
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<br />Region 3, Southwest Mountain,;
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<br />Candidate Storms:
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<br />1. Gladstone, October 4-6,1911, 4-8"/day
<br />2. Mesa Verde, August 3,1924,3.5"/45 minutes
<br />3. San Juan Mountains, June 26-29,1927,4-7"
<br />4. Lake George (FR). July 31,1945,6"18 hOurs
<br />5. Western Colorado, December 29-31, 1951,2-9"
<br />6. San Luis, August 12, 1957, 2.9"/1 hour
<br />7. Dove Creek, September 5-6, 1970,6"
<br />8. Durango, October 19-20, 1972, 5+"
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<br />Other Candidates:
<br />Prescott, AZ, September, 23-24, 1983
<br />San Francisco Basin, AZ, September 29-,;0,1983
<br />Redstone, Colorado, June 5-8, 1993, 2.8"/24 hours
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<br />A motion was made to strike Lake George storm from list
<br />N.D. stated that event 5 put a lot of water on dm\TIw"nd barners over large areas.
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<br />Region 4, Northern Mountains
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<br />Candidate Storms:
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<br />1. Western Colorado, December 29-31, 1951,2-9"
<br />2. Pyramid, Colorado, September 20-24,1961,3-:5"12 days
<br />3. Gibson Dam, Montana, June 6-8, 1964, 16"
<br />4. Big Ell, Meadows, Colorado, May 4-8,1969,6'14."
<br />5. Sweetwater, Colorado, July 12, 1976, 6" (no rn'~asurernents)
<br />6. Jim Creek, Colorado, Jnly 20, 1983,2+"/1 honr, very IOl:alized, ca 9,200 ft msl.
<br />7. Muddy Creek, Colorado, June 20,1994, :l"/1 hour
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<br />Otber Candidate Storms:
<br />Breckenridge, June 16, 1964
<br />Redstone, June 5-8, 1984
<br />Deadman Hill, Colorado, August I, 1989, only SNOTEL data, ca 10,000 ft IDsl, 2.9"/2-3
<br />hours
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<br />r
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<br />RJ. believes Sweetwater storm should be a Colorado Plateau storrn and Regions 4 and 6 should be
<br />combined. E.T. stated his concerns regarding "spillover" precipitation.
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