Missouri Basin River Forecast Center
Water Supply Statement
Issued in cooperation with the Natural
Resources Conservation Service
Issued:  April 16, 2014

 


  

 Missouri River Basin Streamflow Forecast as of April 1, 2014       Missouri River Basin Mountain Snowpack as of April 1, 2014

 


Upper Missouri Basin 

THE HIGH ELEVATION SNOW PACK IN THE UPPER MISSOURI BASIN AS OF
APRIL 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 157 PERCENT. THE SNOW PACK IN THE
ST MARY AND MILK RIVER BASINS WAS 132 PERCENT.
MARCH PRECIPITATION ACROSS THE UPPER MISSOURI BASIN WAS
ABOVE AVERAGE. BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN
INCLUDE: MILK ST. MARY, 133 PERCENT; MILK CANADA, 107 PERCENT;
LOWER MILK, 105 PERCENT; ABOVE TOSTON, 144 PERCENT; TOSTON TO
FT. PECK, 147 PERCENT.

 


 March 2014 Upper Missouri Mean Precip                     Oct-Mar WY2014 Upper Missouri Mean Precip

 

STREAM FLOW IN THE UPPER MISSOURI BASIN IS FORECAST TO BE
ABOVE AVERAGE DURING THE UPCOMING SPRING AND SUMMER. THE ST.
MARY RIVER IS FORECAST TO HAVE 112 PERCENT OF AVERAGE APRIL-SEPTEMBER
FLOWS. RUNOFF IS EXPECTED TO RANGE AROUND 137 PERCENT OF AVERAGE
FOR THE MISSOURI BASIN ABOVE FORT PECK, MONTANA.





     Upper Missouri April 1, 2014 Spring and Summer Streamflow Forecasts


OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA: LIMA RESERVOIR
HAD 74 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 76 PERCENT OF
AVERAGE WATER, GIBSON RESERVOIR HAD 51 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 131 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; 97 AND 100 PERCENT OF AVERAGE WATER, RESPECTIVELY.

 



Yellowstone Basin

 

THE HIGH ELEVATION SNOW PACK IN THE YELLOWSTONE BASIN WAS ABOVE AVERAGE
ON APRIL 1. THE SNOW PACK IN THE UPPER YELLOWSTONE BASIN WAS
157 PERCENT OF AVERAGE. THE SNOW PACKS IN THE WIND, BIGHORN, AND
SHOSHONE BASINS WERE 121, 153, AND 150 PERCENT OF AVERAGE,
RESPECTIVELY. THE SNOW PACKS IN THE TONGUE AND POWDER BASINS WERE
150 AND 163 PERCENT OF AVERAGE, RESPECTIVELY.

PRECIPITATION DURING MARCH WAS ABOVE AVERAGE. THE UPPER
YELLOWSTONE RIVER BASIN RECEIVED 125 PERCENT OF AVERAGE PRECIPITATION
WHILE THE LOWER YELLOWSTONE BASIN REPORTED 104 PERCENT OF AVERAGE.
THE BIGHORN BASIN RECEIVED 132 PERCENT OF AVERAGE PRECIPITATION
WHILE THE WIND RIVER BASIN RECEIVED 121 PERCENT OF AVERAGE.
THE LITTLE BIGHORN - UPPER TONGUE BASIN RECEIVED 156 PERCENT OF
AVERAGE AND THE POWDER RIVER HAD 96 PERCENT OF AVERAGE PRECIPITATION.

 



Yellowstone Basin

  March 2014 Yellowstone Mean Precip                    Oct-Mar 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 170 PERCENT OF AVERAGE. FLOW IN THE
TONGUE BASIN IS EXPECTED TO BE 140 PERCENT OF AVERAGE. FLOWS IN THE
POWDER RIVER ARE EXPECTED TO BE ABOUT 190 PERCENT OF AVERAGE.

MONTHEND STORAGE AT BOYSEN RESERVOIR WAS 116 PERCENT OF AVERAGE.
STORED WATER IN BUFFALO BILL RESERVOIR WAS 129 PERCENT OF AVERAGE.
MONTHEND STORAGE WAS 102 PERCENT OF AVERAGE AT BIGHORN RESERVOIR.

 


     Yellowstone April 1, 2014 Spring and Summer Streamflow Forecasts

 

Platte Basin  

THE HIGH ELEVATION  SNOW PACK IN THE UPPER NORTH PLATTE BASIN WAS
124 PERCENT OF AVERAGE ON APRIL 1. THE SNOW PACK IN THE NORTH
PLATTE BASIN BELOW SEMINOE RESERVOIR WAS 131 PERCENT OF AVERAGE.
THE SNOW PACK IN THE SOUTH PLATTE BASIN WAS 136 PERCENT OF AVERAGE.
MARCH PRECIPITATION ACROSS THE PLATTE BASIN WAS NEAR TO ABOVE
AVERAGE. PRECIPITATION DURING MARCH IN THE NORTH PLATTE
BASIN ABOVE SEMINOE RESERVOIR WAS 117 PERCENT OF AVERAGE. IN THE
NORTH PLATTE BASIN BETWEEN SEMINOE RESERVOIR AND GUERNSY RESERVOIR
PRECIPITATION WAS 136 PERCENT OF AVERAGE. THE NORTH PLATTE BASIN
BELOW GUERNSY RESERVOIR HAD 140 PERCENT OF AVERAGE PRECIPITATION.
THE HIGH ELEVATIONS OF THE SOUTH PLATTE BASIN HAD 185 PERCENT OF
AVERAGE PRECIPITATION WHEREAS THE PLAINS HAD 63 PERCENT OF AVERAGE
MARCH PRECIPITATION.





 March 2014 Platte Mean Precip                          Oct-Mar 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
140 PERCENT OF AVERAGE.
STREAM FLOWS FOR THE NORTH PLATTE
BELOW SEMINOE RESERVOIR ARE FORECAST TO BE NEAR 150 PERCENT OF
AVERAGE. STREAMS IN THE SOUTH PLATTE BASIN ABOVE SOUTH PLATTE,
COLORADO CAN EXPECT NEAR 120 PERCENT OF AVERAGE FLOW. FOR THE
REMAINDER OF THE SOUTH PLATTE BASIN FLOWS ARE EXPECTED NEAR
125 PERCENT OF AVERAGE.

STORED WATER IN THE SOUTH PLATTE BASIN WAS 103 PERCENT OF AVERAGE
ON APRIL 1. STORED WATER IN THE NORTH PLATTE BASIN WAS 75
PERCENT OF AVERAGE.


North Platte Streamflow Fcst
South Platte Streamflow Fcst


Precipitation Maps


March 2014 Oct-Mar WY 2014

                          

March 2014 Precip Percent of 1981-2010 Avg    Oct-Mar  WY2014 Precip as Percent of 1981-2010 Avg


 March 2014 Basin Mean Precipitation                     Oct-Mar WY2014 Basin Mean Precipitation


                               

March 2014 MBRFC Basin Mean Precipitation          Oct-Mar WY2014 MBRFC Basin Mean Precipitation

 


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.