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<br />'99S, COIOflldo Flood Hllzard Mitiglltion Pllln (409)
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<br />20th Century "Monster" Rain storms Front Range Springs. In Durango, the lire department had rts
<br />emergency operations plan in elfect and came
<br /> Storm Name Date Maximum Roinlall very close to evacuating residents 01 a mobile
<br />Livermorellloxelder May W.21, 1904 8". home park on the Animas River.
<br />Pueblo/Penrose June 2.0, 1921 6-12" In the spring and early summer 01 1995, signili-
<br /> cantllooding impacted the lower South Platte, the
<br />CherTy QeekIHaIe May 30.31,1935 12.24' lower Arkansas and the Roaring Fork Rivers.
<br />N.ClHo, Fn>ntRange Sept 2-3, 1938 6-11l" Most damages were experienced by agricu~ural
<br />landowners. In response to the floods, the Col-
<br />Rye (5, Fn>nt Range) May 16-2Q, 1955 6-13" orado General Assembly authorized Multi-
<br /> Objective Floodplain Management studies lor all
<br />PIt.m Qeek (and others) June 16-17. 1965 14-16" three rivers. The intent of the studies is to develop
<br />Big Elk MeaOOws May 4-8. 1969 6.14' viable, politically acceptable flood mitigation rec.
<br /> ommendations, which will reduce luture flood
<br />BigThcxnpson July 31,1916 12" damages. Currently, all three studies are ongoing
<br />Frijole Qeek July 2-3.1981 6-16" with recommendations lor Ilood mitigation mea-
<br /> sures expected by the end 011998.
<br />Fort Collins July 21-28. 1991 14.5" 2.2.1.2.1 1997 - Flood Event
<br />Pawnee Creek July 29-30.1991 15,1' Description
<br />Sou,..: "CoIotado Extreme Slenn PrecipitBiion D,.. Study" by Tom During the summer months, all 01 Colorado is
<br />McKee and No/an Doesken, Colorado C/im,.e Center, CSU May 1997 subject to convective thunderstorms, When sulfi.
<br />Figure 2-3 ciant humidity is present in the atmosphere, some
<br /> 01 these storms produce large amounts 01 rainlall
<br /> in short time periods. The source 01 the humidity
<br />mobile home park on the creek's edge WIth losses is typically moisture Irom the Gull 01 Mexico and the
<br />estimated at $1 million. central plain states which, under certain weather pat-
<br /> terns, can drift into eastern Colorado. Also, in mid and
<br />In July 011993, the Town 01 Otis and the unincorpo- late summer, a monsoon wind circulation brings mois-
<br />rated area 01 Cope in Washington County and the City ture, originating lrom erther or both the Baja Calilornia
<br />01 Yuma in Yuma County experienced a weekend flood area and/or the Gull 01 Mexico, northward up across
<br />event as a result 01 three con-
<br />secutive days 01 thunder-
<br />storms. Several homes suI- 1997 Flood Event Greatest Impact Areas Jl
<br />lered damages and roadways
<br />were inundated with loss in
<br />excess 01 $650,000. In Otis, a Larimer County Morgan County
<br />flood control and storm
<br />drainage project protecting the . Spring Creek drainage in Fort . Shaefer Draw north and
<br />northern hall 01 town worked. Collins into the Town of Weldona
<br />On August 10, 1993, flash . Fairbrooke and C/earview
<br />floods occurred on several Drainage channels in western
<br />creeks in Delta County. Two Fori Collins Logan County
<br />roads were washed out and a . West Vine Drainage area in
<br />Ilood light was conducted wrth northwestern Fl. Collins . Pawnee Creek northwest!
<br />sandbags on Robideaux Colorado Slate University local west of Sterling in At-
<br /> . wood, and the City of
<br />Creek near the Department 01 drainage area
<br />Corrections Detention Facility. Sterling
<br />On August 26-29, 1993, gen-
<br />eral rainstorms caused f100d- Additional Declared Counties
<br />ing in Archuleta and La Plata . Numerous streams and watercourses contributed 10 flood dam-
<br />counties. Subdivision in
<br />Archuleta County was threat- ages in Uncoln, Prowers, Crowley, Kiowa, Weld, Baca, Otero,
<br />ened and roads damaged as Clear Creek, Phillips and Elbert counties.
<br />the Rio Blanco overflowed its
<br />ban ks south 01 Pagosa Figure 2-4
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<br />FJI.:FHMP-CMpler-2.pub
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<br />Chapter 2 - 4
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