Missouri River Basin Streamflow Forecast as of February 1, 2016 Missouri River Basin Mountain Snowpack as of February 1, 2016
Upper Missouri Basin
THE HIGH ELEVATION SNOW PACK IN THE UPPER MISSOURI BASIN AS OF
FEBRUARY 1 WAS NEAR TO ABOVE AVERAGE. THE SNOW PACK ABOVE TOSTON,
MONTANA WAS 112 PERCENT OF AVERAGE. THE SNOW PACK BETWEEN TOSTON
AND FORT PECK, MONTANA WAS 94 PERCENT. THE SNOW PACK IN THE
ST MARY AND MILK RIVER BASINS WAS 69 PERCENT.
JANUARY PRECIPITATION ACROSS THE UPPER MISSOURI BASIN WAS NEAR TO
BELOW AVERAGE. BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN
INCLUDE: MILK ST. MARY, 86 PERCENT; MILK CANADA, 120 PERCENT;
LOWER MILK, 71 PERCENT; ABOVE TOSTON, 76 PERCENT; TOSTON TO
FT. PECK, 92 PERCENT.
January 2016 Upper Missouri Mean Precip Oct-Jan WY2016 Upper Missouri Mean Precip
STREAM FLOW IN THE UPPER MISSOURI BASIN IS FORECAST TO BE
BELOW AVERAGE DURING THE UPCOMING SPRING AND SUMMER. THE ST.
MARY RIVER IS FORECAST TO HAVE 85 PERCENT OF AVERAGE APRIL-SEPTEMBER
FLOWS. RUNOFF IS EXPECTED TO RANGE AROUND 87 PERCENT OF AVERAGE
FOR THE MISSOURI BASIN ABOVE FORT PECK, MONTANA.
Upper Missouri February 1, 2016 Spring and Summer Streamflow Forecasts
OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA: LIMA RESERVOIR
HAD 71 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 77 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 52 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 137 PERCENT OF AVERAGE STORED WATER.
THE MAJOR HYDROELECTRIC RESERVOIRS IN MONTANA (CANYON FERRY AND
FORT PECK) HAD MONTHEND STORAGE NEAR AVERAGE RANGE; 96 AND 115 PERCENT.
Yellowstone Basin
THE HIGH ELEVATION SNOW PACK IN THE YELLOWSTONE BASIN WAS BELOW AVERAGE
ON FEBRUARY 1. THE SNOW PACK IN THE UPPER YELLOWSTONE BASIN WAS
90 PERCENT OF AVERAGE. THE SNOW PACKS IN THE WIND, BIGHORN, AND
SHOSHONE BASINS WERE 72, 73, AND 88 PERCENT OF AVERAGE,
RESPECTIVELY. THE SNOW PACKS IN THE TONGUE AND POWDER BASINS WERE
53 AND 59 PERCENT OF AVERAGE, RESPECTIVELY.
PRECIPITATION DURING JANUARY WAS BELOW AVERAGE. THE UPPER
YELLOWSTONE RIVER BASIN RECEIVED 60 PERCENT OF AVERAGE PRECIPITATION
WHILE THE LOWER YELLOWSTONE BASIN REPORTED 91 PERCENT OF AVERAGE.
THE BIGHORN BASIN RECEIVED 51 PERCENT OF AVERAGE PRECIPITATION
WHILE THE WIND RIVER BASIN RECEIVED 99 PERCENT OF AVERAGE.
THE LITTLE BIGHORN - UPPER TONGUE BASIN RECEIVED 82 PERCENT OF
AVERAGE AND THE POWDER RIVER HAD 82 PERCENT OF AVERAGE PRECIPITATION.
January 2016 Yellowstone Mean Precip Oct-Jan WY2016 Yellowstone Mean Precip
FORECAST STREAM FLOW IN THE YELLOWSTONE BASIN IS BELOW
AVERAGE RANGE FOR THE UPCOMING SPRING AND SUMMER. STREAM
FLOW FOR THE WIND-BIGHORN BASIN ABOVE ST. XAVIER, MONTANA IS
FORECAST TO BE ABOUT 55 PERCENT OF AVERAGE. FLOW IN THE
TONGUE BASIN IS EXPECTED TO BE 51 PERCENT OF AVERAGE. FLOWS IN THE
POWDER RIVER ARE EXPECTED TO BE ABOUT 47 PERCENT OF AVERAGE.
MONTHEND STORAGE AT BOYSEN RESERVOIR WAS 108 PERCENT OF AVERAGE.
STORED WATER IN BUFFALO BILL RESERVOIR WAS 121 PERCENT OF AVERAGE.
MONTHEND STORAGE WAS 103 PERCENT OF AVERAGE AT BIGHORN RESERVOIR.
Yellowstone February 1, 2016 Spring and Summer Streamflow Forecasts
Platte Basin
THE HIGH ELEVATION SNOW PACK IN THE UPPER NORTH PLATTE BASIN WAS
98 PERCENT OF AVERAGE ON FEBRUARY 1. THE SNOW PACK IN THE NORTH
PLATTE BASIN BELOW SEMINOE RESERVOIR WAS 107 PERCENT OF AVERAGE.
THE SNOW PACK IN THE SOUTH PLATTE BASIN WAS 106 PERCENT OF AVERAGE.
JANUARY PRECIPITATION ACROSS THE PLATTE BASIN WAS NEAR TO ABOVE
AVERAGE. PRECIPITATION DURING JANUARY IN THE NORTH PLATTE
BASIN WAS ABOVE SEMINOE RESERVOIR WAS 125 PERCENT OF AVERAGE. IN THE
NORTH PLATTE BASIN BETWEEN SEMINOE RESERVOIR AND GUERNSY RESERVOIR
PRECIPITATION WAS 137 PERCENT OF AVERAGE. THE NORTH PLATTE BASIN
BELOW GUERNSY RESERVOIR HAD 119 PERCENT OF AVERAGE PRECIPITATION.
THE HIGH ELEVATIONS OF THE SOUTH PLATTE BASIN HAD 76 PERCENT OF
AVERAGE PRECIPITATION WHEREAS THE PLAINS HAD 101 PERCENT OF AVERAGE
JANUARY PRECIPITATION.
January 2016 Platte Mean Precip Oct-Jan WY2016 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
98 PERCENT OF AVERAGE. STREAM FLOWS FOR THE NORTH PLATTE
BELOW SEMINOE RESERVOIR ARE FORECAST TO BE 92 PERCENT OF
AVERAGE. STREAMS IN THE SOUTH PLATTE BASIN ABOVE SOUTH PLATTE,
COLORADO CAN EXPECT 92 PERCENT OF AVERAGE FLOW. FOR THE
REMAINDER OF THE SOUTH PLATTE BASIN FLOWS ARE EXPECTED NEAR
97 PERCENT OF AVERAGE.
STORED WATER IN THE SOUTH PLATTE BASIN WAS 105 PERCENT OF AVERAGE
ON FEBRUARY 1. STORED WATER IN THE NORTH PLATTE BASIN WAS 126
PERCENT OF AVERAGE.
North Platte Streamflow Fcst South Platte Streamflow Fcst
