Extended Streamflow Prediction
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4
272
FGUS65 KSTR 031954
ESPUT

COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE
SALT LAKE CITY UT
FEB 3, 2016

            INTERNAL NWS PRODUCT FOR GUIDANCE PURPOSES ONLY

                     WATER SUPPLY INFORMATION FOR
                                 UTAH

                                 AS OF
                             FEB 1, 2016


PRECIPITATION AND SNOWPACK (% OF AVERAGE, ROUNDED):

SUBBASIN                 JAN PRECIP     OCT-JAN PREC     FEB 1 SNOWPACK
----------------------   ----------     ------------     -------------
BEAR                        110              95               100
WEBER                       115              95               110
SIX CREEKS (SLC)            110              90               105
PROVO                       105              90               105
SEVIER                      140             145               145
VIRGIN                      150             135               165
DUCHESNE                     95              90                95
PRICE/SAN RAFAEL            105             105               110



STREAMFLOW VOLUME FORECASTS:
Developed:                    Feb 1 2016

Great Salt Lake Basin
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Bear River
  Utah-Wyoming State Line  Apr-Jul    103    92    137    116     88     73    112
  Woodruff Narrows Rsvr,   Apr-Jul     99    82    178    122     80     59    121
  Montpelier, nr, Stewart  Apr-Jul     90    49    160    109     70     51    182
Smiths Fork River
  Border, nr               Apr-Jul     73    82    105     85     66     54     89
Logan River
  Logan, nr, State Dam, a  Apr-Jul     92    83    128    101     80     65    111
Blacksmith Fork River
  Hyrum, nr, Upnl Dam, ab  Apr-Jul     36    84     60     44     29     24     43
Little Bear River
  Paradise                 Apr-Jul     32    68     57     45   26.0   19.1     47
Weber River
  Oakley, nr               Apr-Jul    100    85    138    116     84     69    118
  Rockport Res, Wanship,   Apr-Jul    102    77    153    119     81     63    132
  Coalville, nr            Apr-Jul    101    75    156    118     79     61    134
  Echo Res, Echo, at       Apr-Jul    127    74    210    159    104     73    171
  Gateway                  Apr-Jul    255    78    400    305    191    142    325
Chalk Ck
  Coalville                Apr-Jul     30    73     53     40   22.0   15.8     41
Weber River
  Coalville, nr            Apr-Jul    101    75    156    118     79     61    134
Lost Ck
  Lost Ck Res, Croydon, n  Apr-Jul   10.0    75   17.0   12.7    8.4    5.4   13.4
East Canyon Ck
  East Canyon Res, Morgan  Apr-Jul     21    78     31     26   16.3   12.4     27
SF Ogden River
  Huntsville, nr           Apr-Jul     52    93     86     61     45     38     56
Ogden River
  Pineview Res, Ogden, nr  Apr-Jul    103    91    182    143     86     59    113
Spanish Fork River
  Castilla, nr             Apr-Jul     45    65     92     56     37     27     69
Provo River
  Woodland, nr             Apr-Jul     85    85    118     97     73     58    100
  Hailstone, nr            Apr-Jul     94    85    131    107     82     64    110
  Deer Ck Res              Apr-Jul    107    84    155    121     90     69    127
American Fork River
  American Fork, nr, Up P  Apr-Jul     21    68     33     27   17.3   14.5     31
  American Fork, nr, Up P  Apr-Jul     21    68     33     27   17.3   14.5     31
Jordan River
  Utah Lake, Provo, nr     Apr-Jul    240    74    375    290    199    150    325
Little Cottonwood Ck
  Salt Lake City, nr       Apr-Jul     33    87     42     37     30     26     38
Big Cottonwood Ck
  Salt Lake City, nr       Apr-Jul     30    83     42     33     25     21     36
City Ck
  Salt Lake City, nr       Apr-Jul    5.5    71    8.4    6.8    4.6    3.5    7.7
Emigration Ck
  Salt Lake City, nr       Apr-Jul    3.1    78    6.6    4.8   2.30   1.32    4.0
Red Butte Ck
  Ft Douglas, at, Salt La  Apr-Jul   1.03    54   1.77   1.38   0.84   0.50   1.90
Mill Ck
  Salt Lake City, nr       Apr-Jul    4.2    66    5.7    4.6    3.1    2.1    6.4
Dell Fk River
  Little Dell Res          Apr-Jul    4.2    76    6.1    5.5    3.4    2.6    5.5
Lambs Ck
  Lambs Ck                 Apr-Jul    4.0    75    6.8    5.2    2.7    2.2    5.3
Parleys Ck
  Salt Lake City, nr       Apr-Jul   10.8    76   16.4   14.2    7.5    6.0   14.2
S Willow Ck
  Grantsville, nr          Apr-Jul    2.2    71    3.3    2.7   1.97   1.66    3.1
West Canyon Ck
  Cedar Fort, nr           Apr-Jul   1.53    87    2.9    1.9   1.26   0.73   1.76
Salt Ck
  Nephi Powerplant Div, b  Apr-Jul    8.3   100     21     10    6.2    4.2    8.3

Sevier Basin
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
EF Sevier River
  Kingston, nr             Apr-Jul     45   129     56     53     37     27     35
Clear Ck
  Sevier, nr, Diversions,  Apr-Jul     24   114     39     30   17.7   14.1     21
Salina Ck
  Emery, nr                Apr-Jul   11.3   143     20     14    8.1    6.8    7.9
Sevier River
  Gunnison, nr             Apr-Jul    115   116    240    150     92     67     99
Beaver River
  Beaver, nr               Apr-Jul     29   112     50     35   23.0   16.9     26
Coal Ck
  Cedar City, nr           Apr-Jul     22   113     38     27   18.9   11.5   19.4

Eastern Utah - Green River Basin
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Blacks Fork River
  Robertson, nr            Apr-Jul     75    84    114     89     63     50     89
Green River
  Flaming Gorge Res, Flam  Apr-Jul    685    70   1350    830    580    420    980
White River
  Watson, nr               Apr-Jul    300   107    410    325    255    220    280
Big Brush Ck
  Vernal, nr, Red Fleet R  Apr-Jul   15.6    74     26     19   13.9   11.3     21
Ashley Ck
  Vernal, nr               Apr-Jul     37    74     63     41     32     24     50
Whiterocks River
  Whiterocks, nr           Apr-Jul     45    83     70     49     39     30     54
Uinta River
  Neola, nr                Apr-Jul     63    85     95     68     55     42     74
Yellowstone River
  Altonah, nr              Apr-Jul     53    87     72     61     49     38     61
Lake Fork River
  Moon Lake Res, Mtn Home  Apr-Jul     53    80     78     59     46     39     66
Rock Ck
  Upper Stillwater Res     Apr-Jul     63    85     94     71     55     48     74
South Fork Rock Ck
  Docs Div, blo            Apr-Jul    5.7    78    8.6    7.0    4.7    4.2    7.3
Rock Ck
  Mountain Home, nr        Apr-Jul     75    85    114     86     64     57     88
West Fork Duchesne River
  Vat Diversion, blo       Apr-Jul   11.7    63   19.1   13.5   10.2    7.8   18.6
Duchesne River
  Tabiona, nr              Apr-Jul     80    74    110     90     70     58    108
  Duchesne, nr, Knight Di  Apr-Jul    153    79    215    174    143    119    194
Currant Ck
  Currant Ck Res           Apr-Jul   12.8    64     23     17   10.2    7.0     20
Strawberry River
  Solider Springs,nr - St  Apr-Jul     40    56     80     53     34     25     71
  Starvation Res, Duchesn  Apr-Jul     75    67    135     91     66     49    112
Duchesne River
  Myton                    Apr-Jul    230    70    390    285    210    150    330
  Randlett, nr             Apr-Jul    240    62    455    310    220    155    385
Fish Ck
  Scofield, nr, Reservoir  Apr-Jul     24    80     39     28   22.0   17.5     30
Price River
  Scofield Res, Scofield,  Apr-Jul     32    78     54     37     29     23     41
White River
  Blo Tabbyune Ck, Soldie  Apr-Jul   13.7    88     22     17   10.9    7.1   15.5
Green River
  Green River, Ut          Apr-Jul   2460    83   4000   2900   2110   1700   2960
Huntington Ck
  Electric Lake            Apr-Jul    9.7    73   18.6   12.0    7.7    5.4   13.3
  Power Plant, blo -Hunti  Apr-Jul     33    82     58     40     28     22     40
Seeley Ck
  Joes Vly Res, Orangevil  Apr-Jul     43    77     76     48     38     28     56
Ferron Ck
  Ferron, nr               Apr-Jul     34    89     55     38     30     22     38
Muddy Ck
  Emery, nr                Apr-Jul   18.0    90     31     22   16.4   12.9   19.9

Upper Colorado Basin - UC and Dolores
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Dolores River
  Cisco, nr                Apr-Jul    700   124   1000    800    600    440    565
Colorado River
  Cisco, nr                Apr-Jul   4500   101   6700   4900   4000   3500   4440
  Lake Powell, Glen Cyn D  Apr-Jul   6700    94  10300   7500   6000   5000   7160

San Juan Basin
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
San Juan River
  Bluff, nr                Apr-Jul   1100   100   1570   1270    945    720   1100

lower colorado basin - virgin
                           Period     50%  %AVG    10%    30%    70%    90%    AVG
                           ------    ----  ----   ----   ----   ----   ----    ---
Santa Clara River
  Pine Valley, nr          Apr-Jul    6.0   120   13.7    7.2    4.1    2.9    5.0
Virgin River
  Virgin                   Apr-Jul     68   117    120     83     53     36     58
  Hurricane, nr            Apr-Jul     71   113    139     92     50     29     63
  Littlefield              Apr-Jul     78   120    168    105     56     30     65

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/Miller/Nielson/Cox



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