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r <br /> IT' <br /> i <br /> COLORADO BASIN <br /> . <br /> Basinwide Conditions Assessment: <br /> The SWSI value of+2.4 indicates that for March the COLORADO RIVER BASIN <br /> basin water supplies were above normal. The Soil S 6iT"'"""say "' "I.LOry <br /> Conservation Service reports March 31 snowpack at 124% of , <br /> normal. Storage in Green Mountain, Ruedi, and Williams - 3 <br /> Fork reservoirs totaled 122% of normal on March 31. The <br /> National Weather Service reports March precipitation at 140% 2 f <br /> of normal. Flow at the gaging station, Colorado River near Y. ' ii i <br /> Dotsero, averaged 948 cfs as compared to the 1961-1991 ? 0k. 1 <br /> March average of 1094 cTs. -1 U E� 1 ‘r <br /> Outlook o _ i, <br /> Another good month of precipitation has kept most of _3 <br /> the snowpack amounts above normal. Based on information -4 <br /> JAN84 JAMBS JAN86 JAN67 JANBB JANB. JAN80 JAN81 JAM82 JAN03 <br /> from the Snotel sites, most all areas are showing above ..... <br /> normal snowpack with the Fryingpan, Crystal, and Roaring <br /> Fork basins well above normal at 150%or better. The Grand <br /> Mesa area has almost twice the normal snowpack. <br /> Administrative/Management Concerns COLORADO RIVER NR. DOTSERO <br /> Since this should be a good runoff year,the only river 5. F`°w S,WATER YEAR <br /> call expected by basin administrators this spring will be the ,SO <br /> Shoshone call (01/17/1902) used to satisfy the Shoshone <br /> Hydroelectric Power Plant in Glenwood Canyon. That call will i! �2 <br /> d 330 <br /> likely be removed during the first warm spell. Most reservoirs <br /> will be able to fill fairly easily this spring and summer except <br /> Granby Reservoir, which might come close. Water .1 2. . <br /> Commissioners should have more water to administer this ." <br /> year. Some water users are beginning to become worried <br /> about possible flooding, which is a very real concern 150 <br /> depending on what the weather does in the next three ,00 <br /> months. Dam safety issues are being addressed due to the sa <br /> Fob ~eh <br /> high runoff potential with dam owners being advised to be oct M� ., „ Jan <br /> n WET(18.4) 4 ONY(1877) ♦ AVG X 1983 <br /> sure spillways are clear of snow and other debris. <br /> Public Use Impacts <br /> The heavy snowfall has continued to cause extreme <br /> avalanche danger, snow and wet earth slides have plagued REPRESENTATIVE RESERVOIRS <br /> several major highways. Ski areas have enjoyed the latest 70 COLORADO <br /> RIVER <br /> SAWN <br /> snows and conditions will be good until the areas close for the <br /> w^ <br /> season. r <br /> i ,or\/\.! 40 <br /> ii r, ao_-'//\ <br /> 3 20./\ <br /> io <br /> a //\\ //\\ /l\\ <br /> Orion Mount.ln Roost •IIllam Fork <br /> ® Aro. 3/31 Content. ® 3/31/S3 Content. <br /> 7 <br />