Extended Streamflow Prediction
Issued by NWS

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FGUS65 KSTR 061730
ESPWY
COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH


                      WATER SUPPLY INFORMATION FOR
                            SOUTHWEST WYOMING
                                 AS OF
                              January 6, 2015


PRECIPITATION AND SNOWPACK (% OF AVERAGE):

SUBBASIN                    DEC      OCT-DEC     JAN 1       DEC
                          PRECIP     PRECIP      SNOW        FLOW
----------------------    ------     -------     -----     --------

GREEN ABV FLAMING GORGE     125         90        130         155
BEAR RIVER HEADWATERS       100         95        100          90

RESERVOIR STORAGE (KAF) AS OF DECEMBER  31, 2014
Figures are in 1000 Acre Feet

                            C U R R E N T   Y R         L A S T   Y R    1981-2010
                          EOM      % of     % of       EOM      % of     DEC 31        Usable
                          Storage  Average  Capacity   Storage  Average  Avg Storage   Capacity
---------------------------------------------------------------------------------------------
   GREEN - FONTENELLE RE|    265.1|    151|     77|195.1|    111|     175.3|     344.8|
   BIG SANDY - BIG SANDY|     20.6|    133|     54|  8.7|     56|      15.5|      38.3|
   BLACKS FORK - MEEKS C|     21.0|    203|     70| 11.6|    112|      10.3|      29.9|
   EF SMITHS FORK - STAT|      8.4|    145|     60|  6.5|    112|       5.8|      13.9|
   GREEN - FLAMING GORGE|   3261.5|    105|     87|    2833.6|     92|    3094.9|    3749.0|

STREAMFLOW FORECASTS:

Green River Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Green River
  Daniel, nr, Warren Bridge, at   Apr-Jul    235    96    325    150    245
Pine Ck
  Fremont Lk, abv                 Apr-Jul     95    97    125     71     98
New Fork River
  Big Piney, nr                   Apr-Jul    320    90    505    210    355
Green River
  Fontenelle Res, Fontenelle nr   Apr-Jul    655    90   1020    355    725
Big Sandy River
  Farson, nr                      Apr-Jul     44    85     68     26     52
Green River
  Green River, Wy, nr             Apr-Jul    650    89   1070    355    730
EF Smiths Fork River
  Stateline Res, Robertson,nr     Apr-Jul     25    96     34   18.3     26
Blacks Fork River
  Robertson, nr                   Apr-Jul     83    93    117     54     89
Hams Fork River
  Frontier, nr, Pole Ck, blo      Apr-Jul     38    70     64     22     54
  Viva Naughton Res               Apr-Jul     50    68     90     27     74
Green River
  Flaming Gorge Res, Flaming Gor  Apr-Jul    825    84   1480    480    980
Little Snake River
  Slater, nr                      Apr-Jul    171   110    225     99    156
  Dixon, nr                       Apr-Jul    360   104    520    193    345

Bear River Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Bear River
  Utah-Wyoming State Line, nr     Apr-Jul    104    93    141     61    112
  Woodruff Narrows Rsvr, abv      Apr-Jul     96    79    154     46    121
  Montpelier, nr, Stewart Dam, b  Apr-Jul    124    68    255     83    182
Smiths Fork River
  Border, nr                      Apr-Jul     74    83    104     43     89

MP    Most probable volume in 1000 acre-feet.
MP%   Most probable volume in percent of the 1981-2010 average.
RMAX  Volume that has a 10 percent chance of being exceeded.
RMIN  Volume that has a 90 percent chance of being exceeded.
AVG   Average volume for the 1981-2010 period.

All forecast volumes reflect natural flow.  Actual observed flow may
be affected by upstream water management.

CBRFC/Nielson,Miller




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