Extended Streamflow Prediction
Issued by NWS Missouri Basin, Pleasant Hill

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000
FGUS63 KKRF 041832
ESPKRF
Water Supply Forecast
NWS Missouri Basin River Forecast Center
Pleasant Hill, Missouri

1200 CST Thursday May 4 2017

Data current as of: May 2 2017

Missouri/Yellowstone/Platte River Basin Forecasts

                                        50%   %   10%  90%  AVG
Forecast Point                  Period (KAF) AVG (KAF)(KAF)(KAF)
-----------------------------------------------------------------
Boysen Reservoir Inflow         Apr-Sep 1659 225% 1979 1486 736
SBDW4N
Bighorn R at Kane               Apr-Sep 2961 201% 3486 2604 1472
LVEW4N
Greybull R nr Meeteetse         Apr-Sep 301  131%  371 258  231
MEEW4N
Buffalo Bill Reservoir Inflow   Apr-Sep 1060 137% 1218 968  774
CDYW4N
St Mary R nr Babb               Apr-Sep 473  122% 541  399  388
SMYM8N
St Mary R at Int Boundary       Apr-Sep 545  123% 645  455  443
SMBM8N
Milk R nr Cutbank               Apr-Sep 22   81%  74   14   27
PDBM8N
Milk R at Eastern Crossing      Apr-Sep 37   83%  124  21   45
ERNM8N
North Platte R nr Northgate     Apr-Sep 334  178% 410  278  188
NGTC2
Encampment R nr Encampment      Apr-Sep 194  126% 227  175  154
ERCW4
Encampment R nr Encampment      Apr-Sep 202  125% 235  183  161
ECRW4N
Rock Ck nr Arlington            Apr-Sep 61   140% 70   54   44
KCRW4
Rock Ck nr Arlington            Apr-Sep 62   141% 71   55   44
KCRW4N
Seminoe Reservoir Inflow WY     Apr-Sep 881  137% 1072 732  645
SETW4
Seminoe Reservoir Inflow WY     Apr-Sep 1027 129% 1217 887  794
SETW4N
Laramie R nr Woods              Apr-Sep 73   136% 112  54   54
WODW4
Laramie R nr Woods              Apr-Sep 106  122% 146  88   87
WODW4N
Little Laramie R nr Filmore     Apr-Sep 47   97%  60   39   48
SMTW4
Little Laramie R nr Filmore     Apr-Sep 49   97%  62   41   50
SMTW4N
Antero Reservoir Inflow         Apr-Sep 11   74%  14   9    15
ANRC2N
Spinney Mountain Res Inflow     Apr-Sep 36   68%  58   25   53
SPYC2N
Elevenmile Canyon Res Inflow    Apr-Sep 37   64%  62   26   57
EVNC2N
Cheesman Lake Inflow            Apr-Sep 54   51%  99   39   106
CHEC2N
South Platte R at South Platte  Apr-Sep 100  53%  173  74   188
SPTC2N
Bear Ck at Morrison             Apr-Sep 10   61%  19   7    16
MRRC2N
Clear Ck at Golden              Apr-Sep 66   62%  116  52   106
GLDC2N
St Vrain Ck at Lyons            Apr-Sep 77   84%  114  64   92
LNSC2N
Boulder Ck nr Orodell           Apr-Sep 36   71%  64   29   50
OROC2N
S Boulder Ck nr Eldorado Spr    Apr-Sep 17   48%  42   11   35
BELC2N
Cache La Poudre at Canyon Mouth Apr-Sep 184  95%  250  159  195
FTDC2N
Lima Reservoir Inflow           Apr-Sep 45   86%  66   30   52
LRRM8N
Clark Canyon Reservoir Inflow   Apr-Sep 138  99%  210  95   140
CLKM8N
Beaverhead R at Barretts        Apr-Sep 172  100% 251  124  172
BARM8N
Ruby R Reservoir Inflow         Apr-Sep 76   96%  96   64   79
ALRM8N
Big Hole R nr Melrose           Apr-Sep 865  190% 1100 721  455
MLRM8
Big Hole R nr Melrose           Apr-Sep 926  182% 1158 780  507
MLRM8N
Hebgen Reservoir Inflow         Apr-Sep 563  156% 619  498  360
HBDM8N
Ennis Reservoir Inflow          Apr-Sep 878  136% 974  759  646
ELMM8N
Gallatin R nr Gateway           Apr-Sep 482  109% 598  392  443
GLGM8
Gallatin R nr Gateway           Apr-Sep 482  114% 598  392  424
GLGM8N
Gallatin R at Logan             Apr-Sep 497  131% 684  382  380
LOGM8
Gallatin R at Logan             Apr-Sep 632  124% 794  532  511
LOGM8N
Missouri R at Toston            Apr-Sep 3012 138% 3657 2524 2187
TOSM8N
Missouri R at Fort Benton       Apr-Sep 4144 122% 5172 3525 3396
FBNM8N
Missouri R nr Virgelle          Apr-Sep 4628 121% 5929 3995 3810
VRGM8N
Missouri R nr Landusky          Apr-Sep 4843 122% 6289 4202 3956
LDKM8N
Missouri R blw Ft Peck Dam      Apr-Sep 5019 121% 6474 4349 4153
FPKM8N
Gibson Reservoir Inflow         Apr-Sep 670  206% 815  615  326
AGSM8N
Marias R nr Shelby              Apr-Sep 399  190% 549  326  210
SHLM8N
Musselshell R at Harlowton      Apr-Sep 35   57%  60   18   62
HLWM8N
Yellowstone R at Yellowstone Lk Apr-Sep 1402 210% 1489 1291 666
YLOW4APR
Yellowstone R at Yellowstone Lk Apr-Sep 1596 199% 1679 1450 803
YLOW4N
Yellowstone R at Corwin Springs Apr-Sep 2687 173% 2916 2492 1555
CORM8
Yellowstone R at Corwin Springs Apr-Sep 2988 166% 3213 2758 1802
CORM8N
Yellowstone R at Livingston     Apr-Sep 2945 160% 3212 2742 1845
LIVM8
Yellowstone R at Livingston     Apr-Sep 3310 154% 3580 3069 2152
LIVM8N
Yellowstone R at Billings       Apr-Sep 4766 150% 5416 4364 3183
BILM8
Yellowstone R at Billings       Apr-Sep 5737 138% 6373 5308 4156
BILM8N
Yellowstone R at Miles City     Apr-Sep 10454 146% 1169596587160
MILM8N
Yellowstone R at Sidney         Apr-Sep 10926 146% 12372100657478
SIDM8N
Boulder R at Big Timber         Apr-Sep 227   98%  263  202  231
BTMM8
Boulder R at Big Timber         Apr-Sep 331  102%  364  300  324
BTMM8N
Stillwater R nr Absarokee       Apr-Sep 631  126%  715  576  500
SRAM8
Stillwater R nr Absarokee       Apr-Sep 690  125%  773  638  550
SRAM8N
Clarks Fk Yelwstone R nr Belfry Apr-Sep 913  183%  1013 849  498
BFYM4
Clarks Fk Yelwstone R nr Belfry Apr-Sep 869  153%  967  803  566
BFYM4N
Bighorn R nr St Xavier          Apr-Sep 4149 178%  4890 3721 2332
STXM8N
Little Bighorn R nr Hardin      Apr-Sep 97   109%  133  82   89
HRDM8N
Tongue R nr Dayton              Apr-Sep 121  140%  153  96   86
DAYW4N
Tongue R nr Decker              Apr-Sep 270  124%  374  216  218
DSLM8N
Tongue R Reservoir Inflow       Apr-Sep 271  124%  378  217  218
DKRM8N
Powder R nr Locate              Apr-Sep 353  143%  470  292  247
MHDM8
Powder R nr Locate              Apr-Sep 383  137%  509  316  279
LOCM8N

Locations with an "N" suffix indicate natural flows excluding
stream augmentations

KAF: Thousands of acre-feet

%AVG: Current 50%/avg

AVG: Average (50%) seasonal runoff volume as simulated by the river
forecast model considering a continuous simulation of the basin
response to historic climate data (observed precipitation and
temperatures) over the period of 1979-2001

The 50%, 10%, and 90% columns indicate the probablility that the
actual volume will exceed the forecast for the valid time period

For more information, please visit:  www.weather.gov/mbrfc/water

$$





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