Missouri River Basin Streamflow Forecast as of January 1, 2014 Missouri River Basin Mountain Snowpack as of January 1, 2014
Upper Missouri Basin
THE HIGH ELEVATION SNOW PACK IN THE UPPER MISSOURI BASIN AS OF
JANUARY 1 WAS ABOVE AVERAGE. THE SNOW PACK ABOVE TOSTON,
MONTANA WAS 112 PERCENT OF AVERAGE. THE SNOW PACK BETWEEN TOSTON
AND FORT PECK, MONTANA WAS 127 PERCENT. THE SNOW PACK IN THE
ST MARY AND MILK RIVER BASINS WAS 114 PERCENT.
DECEMBER PRECIPITATION ACROSS THE UPPER MISSOURI BASIN WAS
ABOVE AVERAGE. BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN
INCLUDE: MILK ST. MARY, 122 PERCENT; MILK CANADA, 207 PERCENT;
LOWER MILK, 200 PERCENT; ABOVE TOSTON, 109 PERCENT; TOSTON TO
FT. PECK, 160 PERCENT.
December 2013 Upper Missouri Mean Precip Oct-Dec WY2014 Upper Missouri Mean Precip
STREAM FLOW IN THE UPPER MISSOURI BASIN IS FORECAST TO BE
NEAR AVERAGE DURING THE UPCOMING SPRING AND SUMMER. THE ST.
MARY RIVER IS FORECAST TO HAVE 95 PERCENT OF AVERAGE APRIL-SEPTEMBER
FLOWS. RUNOFF IS EXPECTED TO RANGE AROUND 94 PERCENT OF AVERAGE
FOR THE MISSOURI BASIN ABOVE FORT PECK, MONTANA.
Upper Missouri January 1, 2014 Spring and Summer Streamflow Forecasts
OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA: LIMA RESERVOIR
HAD 80 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 65 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 28 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 139 PERCENT OF AVERAGE STORED WATER.
THE MAJOR HYDROELECTRIC RESERVOIRS IN MONTANA (CANYON FERRY AND
FORT PECK) HAD MONTHEND STORAGE IN THE AVERAGE TO BELOW AVERAGE
RANGE; 92 AND 98 PERCENT OF AVERAGE WATER, RESPECTIVELY.
Yellowstone Basin
THE HIGH ELEVATION SNOW PACK IN THE YELLOWSTONE BASIN WAS AVERAGE
ON JANUARY 1. THE SNOW PACK IN THE UPPER YELLOWSTONE BASIN WAS
124 PERCENT OF AVERAGE. THE SNOW PACKS IN THE WIND, BIGHORN, AND
SHOSHONE BASINS WERE 107, 129, AND 119 PERCENT OF AVERAGE,
RESPECTIVELY. THE SNOW PACKS IN THE TONGUE AND POWDER BASINS WERE
117 AND 142 PERCENT OF AVERAGE, RESPECTIVELY.
PRECIPITATION DURING DECEMBER WAS MOSTLY BELOW AVERAGE. THE UPPER
YELLOWSTONE RIVER BASIN RECEIVED 167 PERCENT OF AVERAGE PRECIPITATION
WHILE THE LOWER YELLOWSTONE BASIN REPORTED 243 PERCENT OF AVERAGE.
THE BIGHORN BASIN RECEIVED 124 PERCENT OF AVERAGE PRECIPITATION
WHILE THE WIND RIVER BASIN RECEIVED 116 PERCENT OF AVERAGE.
THE LITTLE BIGHORN - UPPER TONGUE BASIN RECEIVED 214 PERCENT OF
AVERAGE AND THE POWDER RIVER HAD 195 PERCENT OF AVERAGE PRECIPITATION.
December 2013 Yellowstone Mean Precip Oct-Dec WY2014 Yellowstone Mean Precip
FORECAST STREAM FLOW IN THE YELLOWSTONE BASIN IS NEAR
AVERAGE RANGE FOR THE UPCOMING SPRING AND SUMMER. STREAM
FLOW FOR THE WIND-BIGHORN BASIN ABOVE ST. XAVIER, MONTANA IS
FORECAST TO BE ABOUT 114 PERCENT OF AVERAGE. FLOW IN THE
TONGUE BASIN IS EXPECTED TO BE 105 PERCENT OF AVERAGE. FLOWS IN THE
POWDER RIVER ARE EXPECTED TO BE ABOUT 128 PERCENT OF AVERAGE.
MONTHEND STORAGE AT BOYSEN RESERVOIR WAS 104 PERCENT OF AVERAGE.
STORED WATER IN BUFFALO BILL RESERVOIR WAS 132 PERCENT OF AVERAGE.
MONTHEND STORAGE WAS 109 PERCENT OF AVERAGE AT BIGHORN RESERVOIR.
Yellowstone January 1, 2014 Spring and Summer Streamflow Forecasts
Platte Basin
THE HIGH ELEVATION SNOW PACK IN THE UPPER NORTH PLATTE BASIN WAS 103 PERCENT OF AVERAGE ON JANUARY 1. THE SNOW PACK IN THE NORTH PLATTE BASIN BELOW SEMINOE RESERVOIR WAS 128 PERCENT OF AVERAGE. THE SNOW PACK IN THE SOUTH PLATTE BASIN WAS 100 PERCENT OF AVERAGE. DECEMBER PRECIPITATION ACROSS THE PLATTE BASIN WAS NEAR AVERAGE. PRECIPITATION DURING DECEMBER IN THE NORTH PLATTE BASIN ABOVE SEMINOE RESERVOIR WAS 104 PERCENT OF AVERAGE. IN THE NORTH PLATTE BASIN BETWEEN SEMINOE RESERVOIR AND GUERNSY RESERVOIR PRECIPITATION WAS 132 PERCENT OF AVERAGE. THE NORTH PLATTE BASIN BELOW GUERNSY RESERVOIR HAD 85 PERCENT OF AVERAGE PRECIPITATION. THE HIGH ELEVATIONS OF THE SOUTH PLATTE BASIN HAD 95 PERCENT OF AVERAGE PRECIPITATION WHEREAS THE PLAINS HAD 53 PERCENT OF AVERAGE DECEMBER PRECIPITATION.
December 2013 Platte Mean Precip Oct-Dec WY2014 Platte Mean Precip
STREAM FLOW IN THE PLATTE BASIN IS FORECAST TO BE NEAR AVERAGE DURING THE UPCOMING SPRING AND SUMMER. RUNOFF FOR STREAMS ABOVE SEMINOE RESERVOIR ARE EXPECTED TO BE ABOUT 70 TO 80 PERCENT OF AVERAGE. STREAM FLOWS FOR THE NORTH PLATTE BELOW SEMINOE RESERVOIR ARE FORECAST TO BE 100 TO 110 PERCENT OF AVERAGE. STREAMS IN THE SOUTH PLATTE BASIN ABOVE SOUTH PLATTE, COLORADO CAN EXPECT 95 TO 105 PERCENT OF AVERAGE FLOW. FOR THE REMAINDER OF THE SOUTH PLATTE BASIN FLOWS ARE EXPECTED VARY FROM 90 TO 100 PERCENT OF AVERAGE. STORED WATER IN THE SOUTH PLATTE BASIN WAS 105 PERCENT OF AVERAGE ON JANUARY 1. STORED WATER IN THE NORTH PLATTE BASIN WAS 118 PERCENT OF AVERAGE.
North Platte Streamflow Fcst South Platte Streamflow Fcst
