HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
215 PM MDT FRI APR 04 2008
...WATER SUPPLY OUTLOOK...NATIONAL WEATHER SERVICE/NATURAL RESOURCES
CONSERVATION SERVICE STREAMFLOW FORECASTS FOR NORTH CENTRAL AND
NORTHEAST COLORADO AS OF APRIL 2008.
WEST OF THE DIVIDE...NEAR AVERAGE SNOWFALL WAS OBSERVED IN MARCH IN
THE UPPER COLORADO BASIN. THE SNOWPACK IN THE UPPER COLORADO BASIN
ON APRIL 1ST WAS 124 PERCENT OF AVERAGE...DOWN A BIT FROM MARCH 1.
APRIL 1 SNOWPACK IN 2008 IS THE HIGHEST REPORTED SINCE 1996; WHEN
SNOWPACKS WERE MEASURED AT 131 PERCENT OF AVERAGE.
EAST OF THE DIVIDE...THE SNOWPACK IN THE NORTH AND SOUTH PLATTE
BASINS FELL A FEW PERCENT IN THE PAST MONTH AT 107 AND 106 PERCENT
OF AVERAGE RESPECTIVELY. THE SNOWPACK IN THE SOUTH PLATTE
SUB-BASINS RANGED FROM 123 PERCENT OF AVERAGE IN THE UPPER SOUTH
PLATTE BASIN, NEAR AVERAGE IN BOULDER, BIG THOMPSON, AND CACHE LA
POUDRE BASINS, AND 94 PERCENT OF AVERAGE IN THE SAINT VRAIN BASIN.
RESERVOIR STORAGE IN THE UPPER COLORADO BASIN WAS AVERAGE AT THE END
OF MARCH. RESERVOIR STORAGE IN THE SOUTH PLATTE BASIN WAS 92 PERCENT
OF AVERAGE...WHICH IS WHAT IT WAS AT THE END OF MARCH LAST YEAR.
STREAMFLOW FORECASTS REMAIN SIMILAR TO A MONTH AGO...RANGING FROM
NEAR 120 PERCENT OF AVERAGE IN THE UPPER SOUTH PLATTE, NORTH PLATTE
AND BLUE RIVER BASINS TO 85 TO 90 PERCENT OF AVERAGE FOR POINTS IN
THE BIG THOMPSON AND SAINT VRAIN BASINS. FOLLOWING ARE STREAMFLOW
FORECASTS FOR SELECTED LOCATIONS:
MOST PROBABLY FORECAST
VOLUME PERCENT
STREAM AND STATION PERIOD 1000 AF OF AVG
__________________ ______ _______ _______
SOUTH PLATTE RIVER
ANTERO RESERVOIR INFLOW APR-SEP 26 118
SPINNEY MTN RES INFLOW APR-SEP 81 117
11-MILE CANYON RES INFLOW APR-SEP 86 119
CHEESMAN LAKE INFLOW APR-SEP 165 118
SOUTH PLATTE APR-SEP 305 120
BEAR CREEK
EVERGREEN ABV APR-SEP 28 112
MORRISON APR-SEP 35 113
CLEAR CREEK
GOLDEN APR-SEP 151 113
ST VRAIN CREEK
LYONS APR-SEP 93 85
BOULDER CREEK
ORODELL APR-SEP 54 90
ELDORADO SPRINGS APR-SEP 50 109
BIG THOMPSON RIVER
CANYON MOUTH APR-SEP 109 92
CACHE LA POUDRE
CANYON MOUTH APR-SEP 265 96
NORTH PLATTE RIVER
NORTHGATE APR-SEP 325 120
COLORADO RIVER
LAKE GRANBY APR-JUL 230 102
WILLOW CREEK
WILLOW CREEK RES APR-JUL 60 118
FRASER RIVER
WINTER PARK APR-JUL 22 110
WILLIAMS FORK RIVER
WILLIAMS FORK RES APR-JUL 109 115
BLUE RIVER
DILLON RES APR-JUL 200 120
GREEN MTN RES APR-JUL 335 120
MUDDY CREEK
WOLFORD MTN RES BLW APR-JUL 68 113
COLORADO RIVER
KREMMLING APR-JUL 990 114
TH