Extended Streamflow Prediction
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12
000
FGUS65 KSTR 052016
ESPWY
COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH

                      WATER SUPPLY INFORMATION FOR
                            SOUTHWEST WYOMING
                                 AS OF
                             March 5, 2019


PRECIPITATION(% OF AVERAGE) AND SNOWPACK (% OF MEDIAN):

SUBBASIN                   FEB      OCT-FEB      MAR 1       FEB
                          PRECIP     PRECIP      SNOW        FLOW
----------------------    ------     -------     -----     --------
GREEN ABV FLAMING GORGE     155        105        105          85
BEAR RIVER HEADWATERS       165        110        105          75

RESERVOIR STORAGE (KAF) AS OF February 28, 2019
Figures are in 1000 Acre Feet

                           C U R R E N T   Y R              L A S T   Y R
                           Usable     EOM Usable % of       EOM Usable   % of
                           Capacity   Contents   Capacity   Contents     Capacity
----------------------------------------------------------------------------------
   GREEN - FONTENELLE RE|    120.0|     94|     35||      130.9|    103||      127.6|     344.8|
   BIG SANDY - BIG SANDY|     16.5|    109|     43||       31.6|    210||       15.1|      38.3|
   BLACKS FORK - MEEKS C|      5.9|     48|     20||       11.1|     90||       12.3|      29.9|
   EF SMITHS FORK - STAT|      3.9|     73|     28||        6.1|    114||        5.4|      13.9|
   GREEN - FLAMING GORGE|   3148.8|    104|     84||     3194.0|    106||     3015.6|    3749.0|
   BEAR - WOODRUFF NARRO|     22.0|     70|     39||       57.7|    183||       31.4|      55.8|

STREAMFLOW FORECASTS:

Green River Basin

                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Green River
  Daniel, nr, Warren Brid  Apr-Jul    205    84    270    235    185    155    245
Pine Ck
  Fremont Lk, abv          Apr-Jul     95    97    111     98     80     72     98
New Fork River
  Big Piney, nr            Apr-Jul    330    93    450    380    285    250    355
Green River
  Fontenelle Res, Fontene  Apr-Jul    630    87    900    720    535    450    725
Big Sandy River
  Farson, nr               Apr-Jul     51    98     74     61     46     35     52
Green River
  Green River, Wy, nr      Apr-Jul    640    88    915    740    555    450    730
EF Smiths Fork River
  Stateline Res, Robertso  Apr-Jul     25    96     33     29   23.0   19.0     26
Blacks Fork River
  Robertson, nr            Apr-Jul     84    94    121    100     71     64     89
Hams Fork River
  Frontier, nr, Pole Ck,   Apr-Jul     36    67     59     45     29     26     54
  Viva Naughton Res        Apr-Jul     46    62     86     59     38     33     74
Green River
  Flaming Gorge Res, Flam  Apr-Jul    830    85   1350   1060    670    580    980
Little Snake River
  Slater, nr               Apr-Jul    150    96    205    168    132    103    156
  Dixon, nr                Apr-Jul    330    96    500    375    280    210    345

Bear River Basin
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Bear River
  Utah-Wyoming State Line  Apr-Jul    122   109    159    143    112     97    112
  Woodruff Narrows Rsvr,   Apr-Jul    121   100    189    143    104     85    121
  Montpelier, nr, Stewart  Apr-Jul    114    63    275    174     99     76    182
Smiths Fork River
  Border, nr               Apr-Jul     76    85     96     81     61     57     89

50% Most probable volume in 1000 acre-feet.
%AVG  Most probable volume in percent of the 1981-2010 average.
10% Volume that has a 10 percent chance of being exceeded.
30% Volume that has a 30 percent chance of being exceeded.
90% Volume that has a 90 percent chance of being exceeded.
70% Volume that has a 70 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,Kormos



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