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Extended Streamflow Prediction
Issued by NWS Missouri Basin, Pleasant Hill
Issued by NWS Missouri Basin, Pleasant Hill
000
FGUS63 KKRF 111817
ESPKRF
MISSOURI BASIN RIVER FORECAST CENTER
WATER SUPPLY STATEMENT
ISSUED IN COOPERATION WITH NATURAL RESOURCES CONSERVATION SERVICE
ISSUED: APRIL 11, 2013
UPPER MISSOURI BASIN
THE HIGH ELEVATION SNOW PACK IN THE UPPER MISSOURI BASIN AS OF
APRIL 1 WAS NEAR AVERAGE. THE SNOW PACK ABOVE TOSTON, MONTANA WAS
90 PERCENT OF AVERAGE. THE SNOW PACK BETWEEN TOSTON AND FORT PECK,
MONTANA WAS 93 PERCENT. THE SNOW PACK IN THE ST MARY AND MILK RIVER
BASINS WAS 109 PERCENT.
MARCH PRECIPITATION ACROSS THE UPPER MISSOURI BASIN WAS NEAR TO BELOW
AVERAGE. BASIN PRECIPITATION SUMMARIES FOR THE MISSOURI BASIN
INCLUDE: MILK ST. MARY, 104 PERCENT; MILK CANADA, 22 PERCENT;
LOWER MILK, 30 PERCENT; ABOVE TOSTON, 40 PERCENT; TOSTON TO
FT. PECK, 19 PERCENT.
STREAM FLOW IN THE UPPER MISSOURI BASIN IS FORECAST TO BE NEAR OR
SLIGHTLY BELOW AVERAGE DURING THE UPCOMING SPRING AND SUMMER. THE
ST. MARY RIVER IS FORECAST TO HAVE 108 PERCENT OF AVERAGE
APRIL-SEPTEMBER FLOWS. RUNOFF IS EXPECTED TO RANGE AROUND 78 PERCENT
OF AVERAGE FOR THE MISSOURI BASIN ABOVE FORT PECK, MONTANA.
OF THE FOUR MAJOR IRRIGATION RESERVOIRS IN MONTANA: LIMA RESERVOIR
HAD 134 PERCENT AVERAGE STORAGE, CLARK CANYON WAS HOLDING 99 PERCENT
OF AVERAGE WATER, GIBSON RESERVOIR HAD 49 PERCENT OF AVERAGE STORED
WATER, AND FRESNO RESERVOIR HAD 110 PERCENT OF AVERAGE STORED WATER.
THE MAJOR HYDROELECTRIC RESERVOIRS IN MONTANA (CANYON FERRY AND
FORT PECK) HAD MONTHEND STORAGE IN THE AVERAGE RANGE; 100 AND 98 PERCENT
OF AVERAGE WATER, RESPECTIVELY.
YELLOWSTONE BASIN
THE HIGH ELEVATION SNOW PACK IN THE YELLOWSTONE BASIN WAS NEAR TO
SLIGHTLY BELOW AVERAGE ON APRIL 1. THE SNOW PACK IN THE
UPPER YELLOWSTONE BASIN WAS 89 PERCENT OF AVERAGE OVERALL. THE SNOW
PACKS IN THE WIND, BIGHORN, AND SHOSHONE BASINS WERE 80, 89, AND 87
PERCENT OF AVERAGE, RESPECTIVELY. THE SNOW PACKS IN THE TONGUE AND
POWDER BASINS WERE 84 AND 97 PERCENT OF AVERAGE, RESPECTIVELY.
PRECIPITATION DURING MARCH WAS BELOW AVERAGE. THE UPPER
YELLOWSTONE RIVER BASIN RECEIVED 42 PERCENT OF AVERAGE PRECIPITATION
WHILE THE LOWER YELLOWSTONE BASIN REPORTED 23 PERCENT OF AVERAGE.
THE BIGHORN BASIN RECEIVED 41 PERCENT OF AVERAGE PRECIPITATION WHILE
THE WIND RIVER BASIN RECEIVED 38 PERCENT OF AVERAGE. THE LITTLE
BIGHORN - UPPER TONGUE BASIN RECEIVED 39 PERCENT OF AVERAGE
AND THE POWDER RIVER HAD 24 PERCENT OF AVERAGE PRECIPITATION.
FORECAST STREAM FLOW IN THE YELLOWSTONE BASIN IS FORECAST BELOW AVERAGE
FOR THE UPCOMING SPRING AND SUMMER. STREAM FLOW FOR THE WIND-BIGHORN
BASIN ABOVE ST. XAVIER, MONTANA IS FORECAST TO BE ABOUT 68 PERCENT OF
AVERAGE. FLOW IN THE TONGUE BASIN IS EXPECTED TO BE ABOUT 77 PERCENT
OF AVERAGE. FLOWS IN THE POWDER RIVER ARE EXPECTED TO BE ABOUT 85
PERCENT OF AVERAGE.
MONTHEND STORAGE AT BOYSEN RESERVOIR WAS 100 PERCENT OF AVERAGE.
STORED WATER IN BUFFALO BILL RESERVOIR WAS 123 PERCENT OF AVERAGE.
MONTHEND STORAGE WAS 110 PERCENT OF AVERAGE AT BIGHORN RESERVOIR.
PLATTE BASIN
THE HIGH ELEVATION SNOW PACK IN THE UPPER NORTH PLATTE BASIN WAS
74 PERCENT OF AVERAGE ON APRIL 1. THE SNOW PACK IN THE NORTH
PLATTE BASIN BELOW SEMINOE RESERVOIR WAS 65 PERCENT OF AVERAGE.
THE SNOW PACK IN THE SOUTH PLATTE BASIN WAS 70 PERCENT OF AVERAGE.
MARCH PRECIPITATION ACROSS THE PLATTE BASIN WAS BELOW AVERAGE.
PRECIPITATION IN THE NORTH PLATTE BASIN ABOVE SEMINOE
RESERVOIR WAS 66 PERCENT OF AVERAGE. IN THE NORTH PLATTE BASIN BETWEEN
SEMINOE RESERVOIR AND GUERNSY RESERVOIR PRECIPITATION WAS 30 PERCENT
OF AVERAGE. THE NORTH PLATTE BASIN BELOW GUERNSY RESERVOIR HAD 13 PERCENT
OF AVERAGE PRECIPITATION. THE HIGH ELEVATIONS OF THE SOUTH PLATTE
BASIN HAD 75 PERCENT OF AVERAGE PRECIPITATION WHEREAS THE PLAINS HAD
43 PERCENT OF AVERAGE MARCH PRECIPITATION.
STREAM FLOW IN THE PLATTE BASIN IS FORECAST TO BE BELOW AVERAGE
DURING THE UPCOMING SPRING AND SUMMER. RUNOFF FOR STREAMS
ABOVE SEMINOE RESERVOIR ARE EXPECTED TO RANGE FROM AROUND 45 TO 65
PERCENT OF AVERAGE. STREAM FLOWS FOR THE NORTH PLATTE BELOW SEMINOE
RESERVOIR ARE FORECAST TO BE 35 TO 45 PERCENT OF AVERAGE. STREAMS
IN THE SOUTH PLATTE BASIN ABOVE SOUTH PLATTE, COLORADO CAN EXPECT
45 TO 55 PERCENT OF AVERAGE FLOW. FOR THE REMAINDER OF THE SOUTH
PLATTE BASIN FLOWS ARE EXPECTED VARY FROM 55 TO 65 PERCENT OF AVERAGE.
STORED WATER IN THE SOUTH PLATTE BASIN WAS 84 PERCENT OF AVERAGE
ON APRIL 1. STORED WATER IN THE NORTH PLATTE BASIN WAS 83
PERCENT OF AVERAGE
WATER SUPPLY FORECAST
NWS MISSOURI BASIN RIVER FORECAST CENTER, PLEASANT HILL, MO
ISSUED: APRIL 4, 2013
THESE FORECASTS WERE PROVIDED BY:
USDA NRCS NATIONAL WATER & CLIMATE CENTER
* - DATA CURRENT AS OF: APRIL 04, 2013 12:13:11 PM
- BASED ON APRIL 01, 2013 FORECAST VALUES
50% % OF MAX MIN 30-YR AVE
FORECAST POINT PERIOD (KAF) AVG (%AVE) (%AVE) (KAF)
-------------- ------ ------ ---- ----- ----- -----
SASKATCHEWAN RIVER BASIN
ST. MARY RIVER
BABB, MT NEAR APR-SEP 460 108 126 91 425
MISSOURI RIVER BASIN
RED ROCK RIVER
LIMA RES INFLOW, MT (2) APR-SEP 69 78 100 55 89
BEAVERHEAD RIVER
CLARK CANYON INFLOW, MT (2) APR-SEP 76 63 123 4 120
BARRETTS, MT (2) APR-SEP 112 72 151 26 156
BIG HOLE RIVER
MELROSE, MT NEAR APR-SEP 395 71 101 40 560
RUBY RIVER
RUBY RESERVOIR INFLOW, MT (2) APR-SEP 69 76 104 47 91
MADISON RIVER
HEBGEN RES INFLOW, MT (2) APR-SEP 415 88 101 76 470
ENNIS RESERVOIR INFLOW (2) APR-SEP 665 86 103 68 775
GALLATIN RIVER
GALLATIN GATEWAY, MT NEAR APR-SEP 425 90 113 68 470
LOGAN, MT APR-SEP 440 87 124 50 505
MISSOURI RIVER
TOSTON, MT (2) APR-SEP 1620 78 112 45 2070
FORT BENTON, MT (2) APR-SEP 2440 78 113 44 3110
VIRGELLE, MT NEAR (2) APR-SEP 2790 79 114 45 3520
LANDUSKY, MT NEAR (2) APR-SEP 2940 79 112 46 3720
FORT PECK DAM, MT BELOW (2) APR-SEP 2790 75 115 36 3700
LAKE SAKAKAWEA INFLOW, ND(2) APR-SEP 7200 77 114 39 9400
SHEEP CREEK
WHITE SULPHUR SPRINGS, MT APR-SEP 17.3 94 130 58 18.4
SUN RIVER
GIBSON RES INFLOW, MT (2) APR-SEP 385 88 108 67 440
MARIAS RIVER
SHELBY, MT NEAR (2) APR-SEP 335 93 143 43 360
MUSSELSHELL RIVER
DELPINE, MT (N FK) APR-SEP 4.6 92 136 48 5.0
MARTINSDALE, MT ABOVE(S FK) APR-SEP 28 74 153 7 38
HARLOWTON, MT (2) APR-SEP 35 59 153 0 59
YELLOWSTONE RIVER
YELLOWSTONE LAKE OUTLET, MT APR-SEP 640 83 99 67 770
CORWIN SPRINGS, MT APR-SEP 1640 87 106 69 1880
MILK RIVER
EASTERN CROSSING, MT (3) APR-SEP 25 76 152 3 33
WESTERN CROSSING, MT (2,3) APR-SEP 52 95 211 18 55
50% % OF MAX MIN 30-YR AVE
FORECAST POINT PERIOD (KAF) AVG (%AVE) (%AVE) (KAF)
-------------- ------ ------ ---- ----- ----- -----
YELLOWSTONE RIVER
LIVINGSTON, MT APR-SEP 1880 88 108 68 2140
BILLINGS, MT APR-SEP 3100 83 110 56 3730
MILES CITY, MT (2) APR-SEP 4310 79 112 46 5450
SIDNEY, MT (2) APR-SEP 4200 77 117 38 5430
BOULDER RIVER
BIG TIMBER, MT APR-SEP 275 92 118 66 300
STILLWATER RIVER
ABSAROKEE, MT NEAR (2) APR-SEP 430 83 105 61 520
CLARKS FORK YELLOWSTONE RIVER
BELFRY, MT NEAR APR-SEP 485 88 105 71 550
WIND RIVER
BOYSEN RES INFLOW WY (2) APR-SEP 435 65 121 10 665
BIGHORN RIVER
KANE, WY (2) APR-SEP 600 66 129 11 905
ST. XAVIER, MT NEAR (2) APR-SEP 1060 73 121 25 1460
GREYBULL RIVER
MEETEETSE, WY APR-SEP 155 88 119 57 177
SHELL CREEK
SHELL, WY NR APR-SEP 59 89 114 65 66
SHOSHONE RIVER
BUFFALO BILL RES INFL, MT(2) APR-SEP 650 87 109 66 745
LITTLE BIGHORN RIVER
HARDIN, MT NEAR APR-SEP 71 64 105 23 111
TONGUE RIVER
DAYTON, MT NEAR (2) APR-SEP 82 84 114 53 98
TONGUE RIVER RES INFLOW (2) APR-SEP 151 70 119 21 215
ROCK CREEK
BUFFALO, WY NEAR APR-SEP 18.0 82 118 47 22
NORTH FORK POWDER RIVER
HAZELTON, WY NEAR APR-SEP 10.4 105 131 79 9.9
POWDER RIVER
MOORHEAD, MT APR-SEP 166 85 145 24 196
LOCATE, MT APR-SEP 185 84 152 17 220
NORTH PLATTE RIVER
NORTHGATE, CO NEAR APR-SEP 115 46 88 12 250
ENCAMPMENT RIVER
ENCAMPMENT, WY NEAR APR-SEP 77 56 83 28 138
ROCK CREEK
ARLINGTON, WY NEAR APR-SEP 35 67 94 40 52
SEMINOE RESERVOIR INFLOW (2)
SEMINOE RESERVOIR INFL, WY(2) APR-SEP 350 45 97 16 770
SWEETWATER RIVER
ALCOVA, WY NEAR APR-SEP 24 38 86 12 64
50% % OF MAX MIN 30-YR AVE
FORECAST POINT PERIOD (KAF) AVG (%AVE) (%AVE) (KAF)
-------------- ------ ------ ---- ----- ----- -----
NORTH PLATTE RIVER
GLENDO RES, WY BELOW (2) APR-SEP 285 34 66 13 850
GUERNSEY RES, WY BELOW (2) APR-SEP 285 34 74 13 850
LARAMIE RIVER
WOODS, WY NEAR APR-SEP 83 66 101 31 126
LITTLE LARAMIE RIVER
FILMORE, WY NEAR APR-SEP 30 55 89 21 55
SOUTH PLATTE RIVER
ANTERO RES INFLOW, CO (2) APR-SEP 8.3 47 92 24 17.8
SPINNEY MOUNTAIN RES INFLO(2) APR-SEP 33 54 105 28 61
ELEVENMILE CANYON RES INFLO(2) APR-SEP 33 52 105 25 64
CHEESMAN LAKE INFLOW, CO (2) APR-SEP 64 51 102 25 126
SOUTH PLATTE, CO (2) APR-SEP 111 49 109 23 225
BEAR CREEK
EVERGREEN, CO ABOVE APR-SEP 12.5 60 129 28 21
MORRISON, CO APR-SEP 14.1 50 125 20 2
CLEAR CREEK
GOLDEN, CO NEAR APR-SEP 94 73 106 41 128
ST. VRAIN CREEK APR-SEP 58 56 76 37 103
LYONS, CO (2)
BOULDER CREEK, S. BOULDER CR
ORODELL, CO NEAR (2) APR-SEP 43 68 92 44 63
ELDORADO SPRINGS, CO NEAR (2) APR-SEP 59 65 77 53 91
BIG THOMPSON RIVER
CANYON MOUTH, CO (2) APR-SEP 59 55 80 30 107
CACHE LA POUDRE RIVER
CANYON MOUTH, CO (2) APR-SEP 166 66 100 44 250
MAX IS 90TH PERCENTILE AND MIN IS 10TH PERCENTILE EXCEPT WITH FOOTNOTE 1 BELOW.
AVERAGES ARE FOR THE 1981-2010 PERIOD.
ALL VOLUMES ARE IN THOUSANDS OF ACRE-FEET.
FOOTNOTES:
1) MAX IS 95TH PERCENTILE AND MIN IS 5TH PERCENTILE
2) STREAMFLOW IS ADJUSTED FOR UPSTREAM STORAGE
3) MEDIAN VALUE USED IN PLACE OF AVERAGE
$$
- National Weather Service
- Kansas City/Pleasant Hill, MO Weather Forecast Office
- 1803 North 7 Highway
- Pleasant Hill, MO 64080-9421
- 816-540-6021
- Page Author: EAX Webmaster
- Web Master's E-mail: w-eax.webmaster@noaa.gov
- Page last modified: May 1st, 2013 15:32 UTC