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<br />0l1IGJ3 <br /> <br /> <br />WATER SUPPLY OUTLOOK <br />for the <br />UPPER COLORADO <br /> <br />17 <br />" <br />1\ <br /> <br />COLORADO BASIN <br />RIVER FORECAST CENTER <br />NATIONAL WEATHER SERVICE, SALT LAKE CITY, UT <br /> <br /> <br />JANUARY 1, 1999 <br /> <br />SUMMARY <br /> <br />Forecasts call for near to much below normal flows for the April through July runoff period. The <br />developing dry conditioQs - persistent snow within the basin is found only at the northern most <br />latitudes or higher elevations - are consistent with expectations based on several past La Nina <br />events. <br /> <br />APRIL - JULY VOLUME FORECASTS <br /> <br /> 100% <br /> 75% MU% 75% <br /> 80% <br />Percent of 60% <br />'61 - '90 <br />Average 40% <br /> 20% <br /> 0% <br /> Upper Colorado River Green River San Juan River <br /> I_Jan. 1 <br /> <br /> <br /> INSIDE <br />- -_._~- ------- <br />Summary 1 <br />Upper Colorado Mainstem 2 <br />Green River 3 <br />San Juan River 4 <br />SpeCific Site Forecasts 5 <br />Flood Control Forecasts 9 <br />Res. Monthlv Infl. Forecasts 10 <br />EOM Reservoir Contents II <br />Monthly Streamflows 12 <br />Precipitation Maps 14,15 <br />Additional Information 16 <br /> <br />Page I <br />