Missouri River Basin Streamflow Forecast as of March 1, 2014 Missouri River Basin Mountain Snowpack as of March 1, 2014
Upper Missouri Basin
THE HIGH ELEVATION SNOW PACK IN THE UPPER MISSOURI BASIN AS OF
MARCH 1 WAS ABOVE AVERAGE. THE SNOW PACK ABOVE TOSTON,
MONTANA WAS 136 PERCENT OF AVERAGE. THE SNOW PACK BETWEEN TOSTON
AND FORT PECK, MONTANA WAS 152 PERCENT. THE SNOW PACK IN THE
ST MARY AND MILK RIVER BASINS WAS 124 PERCENT.
FEBRUARY PRECIPITATION ACROSS THE UPPER MISSOURI BASIN WAS
ABOVE AVERAGE. BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN
INCLUDE: MILK ST. MARY, 92 PERCENT; MILK CANADA, 49 PERCENT;
LOWER MILK, 99 PERCENT; ABOVE TOSTON, 204 PERCENT; TOSTON TO
FT. PECK, 168 PERCENT.
February 2014 Upper Missouri Mean Precip Oct-Feb 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 97 PERCENT OF AVERAGE APRIL-SEPTEMBER
FLOWS. RUNOFF IS EXPECTED TO RANGE AROUND 115 PERCENT OF AVERAGE
FOR THE MISSOURI BASIN ABOVE FORT PECK, MONTANA.
Upper Missouri March 1, 2014 Spring and Summer Streamflow Forecasts
OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA: LIMA RESERVOIR
HAD 77 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 73 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 39 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 133 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; 98 AND 99 PERCENT OF AVERAGE WATER, RESPECTIVELY.
Yellowstone Basin
THE HIGH ELEVATION SNOW PACK IN THE YELLOWSTONE BASIN WAS ABOVE AVERAGE
ON MARCH 1. THE SNOW PACK IN THE UPPER YELLOWSTONE BASIN WAS
147 PERCENT OF AVERAGE. THE SNOW PACKS IN THE WIND, BIGHORN, AND
SHOSHONE BASINS WERE 136, 148, AND 153 PERCENT OF AVERAGE,
RESPECTIVELY. THE SNOW PACKS IN THE TONGUE AND POWDER BASINS WERE
133 AND 150 PERCENT OF AVERAGE, RESPECTIVELY.
PRECIPITATION DURING FEBRUARY WAS ABOVE AVERAGE. THE UPPER
YELLOWSTONE RIVER BASIN RECEIVED 234 PERCENT OF AVERAGE PRECIPITATION
WHILE THE LOWER YELLOWSTONE BASIN REPORTED 158 PERCENT OF AVERAGE.
THE BIGHORN BASIN RECEIVED 189 PERCENT OF AVERAGE PRECIPITATION
WHILE THE WIND RIVER BASIN RECEIVED 180 PERCENT OF AVERAGE.
THE LITTLE BIGHORN - UPPER TONGUE BASIN RECEIVED 205 PERCENT OF
AVERAGE AND THE POWDER RIVER HAD 129 PERCENT OF AVERAGE PRECIPITATION.
February 2014 Yellowstone Mean Precip Oct-Feb WY2014 Yellowstone Mean Precip
FORECAST STREAM FLOW IN THE YELLOWSTONE BASIN IS ABOVE
AVERAGE RANGE FOR THE UPCOMING SPRING AND SUMMER. STREAM
FLOW FOR THE WIND-BIGHORN BASIN ABOVE ST. XAVIER, MONTANA IS
FORECAST TO BE ABOUT 150 PERCENT OF AVERAGE. FLOW IN THE
TONGUE BASIN IS EXPECTED TO BE 120 PERCENT OF AVERAGE. FLOWS IN THE
POWDER RIVER ARE EXPECTED TO BE ABOUT 160 PERCENT OF AVERAGE.
MONTHEND STORAGE AT BOYSEN RESERVOIR WAS 112 PERCENT OF AVERAGE.
STORED WATER IN BUFFALO BILL RESERVOIR WAS 133 PERCENT OF AVERAGE.
MONTHEND STORAGE WAS 130 PERCENT OF AVERAGE AT BIGHORN RESERVOIR.
Yellowstone March 1, 2014 Spring and Summer Streamflow Forecasts
Platte Basin
THE HIGH ELEVATION SNOW PACK IN THE UPPER NORTH PLATTE BASIN WAS
146 PERCENT OF AVERAGE ON MARCH 1. THE SNOW PACK IN THE NORTH
PLATTE BASIN BELOW SEMINOE RESERVOIR WAS 114 PERCENT OF AVERAGE.
THE SNOW PACK IN THE SOUTH PLATTE BASIN WAS 136 PERCENT OF AVERAGE.
FEBRUARY PRECIPITATION ACROSS THE PLATTE BASIN WAS ABOVE
AVERAGE. PRECIPITATION DURING FEBRUARY IN THE NORTH PLATTE
BASIN WAS ABOVE SEMINOE RESERVOIR WAS 131 PERCENT OF AVERAGE. IN THE
NORTH PLATTE BASIN BETWEEN SEMINOE RESERVOIR AND GUERNSY RESERVOIR
PRECIPITATION WAS 147 PERCENT OF AVERAGE. THE NORTH PLATTE BASIN
BELOW GUERNSY RESERVOIR HAD 250 PERCENT OF AVERAGE PRECIPITATION.
THE HIGH ELEVATIONS OF THE SOUTH PLATTE BASIN HAD 186 PERCENT OF
AVERAGE PRECIPITATION WHEREAS THE PLAINS HAD 222 PERCENT OF AVERAGE
FEBRUARY PRECIPITATION.
February 2014 Platte Mean Precip Oct-Feb WY2014 Platte Mean Precip
STREAM FLOW IN THE PLATTE BASIN IS FORECAST TO BE ABOVE
AVERAGE DURING THE UPCOMING SPRING AND SUMMER.
RUNOFF FOR STREAMS ABOVE SEMINOE RESERVOIR ARE EXPECTED TO BE NEAR 120 PERCENT OF AVERAGE.
STREAM FLOWS FOR THE NORTH PLATTE
BELOW SEMINOE RESERVOIR ARE FORECAST TO BE NEAR 120 PERCENT OF
AVERAGE. STREAMS IN THE SOUTH PLATTE BASIN ABOVE SOUTH PLATTE,
COLORADO CAN EXPECT NEAR 130 PERCENT OF AVERAGE FLOW. FOR THE
REMAINDER OF THE SOUTH PLATTE BASIN FLOWS ARE EXPECTED NEAR
120 PERCENT OF AVERAGE.
STORED WATER IN THE SOUTH PLATTE BASIN WAS 105 PERCENT OF AVERAGE
ON MARCH 1. STORED WATER IN THE NORTH PLATTE BASIN WAS 80
PERCENT OF AVERAGE.
North Platte Streamflow Fcst South Platte Streamflow Fcst
