Extended Streamflow Prediction
Issued by NWS

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000
FGUS65 KSTR 032110
ESPUT

COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE
SALT LAKE CITY UT
APR 3, 2014

            INTERNAL NWS PRODUCT FOR GUIDANCE PURPOSES ONLY

                     WATER SUPPLY INFORMATION FOR
                                 UTAH

                                 AS OF
                             APR 1, 2014


PRECIPITATION AND SNOWPACK (% OF AVERAGE, ROUNDED):

SUBBASIN                 MAR PRECIP     OCT-MAR PREC     APR 1 SNOWPACK
----------------------   ----------     ------------     -------------
BEAR                        115             115               115
WEBER                       105              90               110
SIX CREEKS (SLC)             90              85                90
PROVO                        85              80                85
SEVIER                       45              70                75
VIRGIN                       35              55                45
DUCHESNE                     65              80                90
PRICE/SAN RAFAEL             65              80                85



STREAMFLOW VOLUME FORECASTS:
Afos message output for EGDD: utesp.drv
Developed:                    Apr 1 2014

Great Salt Lake Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Bear River
  Utah-Wyoming State Line, nr     Apr-Jul    108    96    129     92    112
  Woodruff Narrows Rsvr, abv      Apr-Jul    101    83    140     83    121
  Montpelier, nr, Stewart Dam, b  Apr-Jul    134    74    176    111    182
Smiths Fork River
  Border, nr                      Apr-Jul    119   134    128     98     89
Logan River
  Logan, nr, State Dam, abv       Apr-Jul    115   104    134    102    111
Blacksmith Fork River
  Hyrum, nr, Upnl Dam, abv        Apr-Jul     44   102     60     37     43
Little Bear River
  Paradise                        Apr-Jul     26    55     31   17.1     47
Weber River
  Oakley, nr                      Apr-Jul     93    79    123     83    118
  Rockport Res, Wanship, nr       Apr-Jul     94    71    133     80    132
  Coalville, nr                   Apr-Jul     93    69    135     78    134
  Echo Res, Echo, at              Apr-Jul    111    65    178     96    171
  Gateway                         Apr-Jul    192    59    295    162    325
Chalk Ck
  Coalville                       Apr-Jul     22    54     43   17.5     41
Weber River
  Coalville, nr                   Apr-Jul     93    69    135     78    134
Lost Ck
  Lost Ck Res, Croydon, nr        Apr-Jul    9.0    67   11.1    6.8   13.4
East Canyon Ck
  East Canyon Res, Morgan, nr     Apr-Jul   15.7    58     24   12.5     27
SF Ogden River
  Huntsville, nr                  Apr-Jul     48    86     67     35     56
Ogden River
  Pineview Res, Ogden, nr         Apr-Jul     88    78    127     70    113
Spanish Fork River
  Castilla, nr                    Apr-Jul     32    46     47     28     69
Provo River
  Woodland, nr                    Apr-Jul     91    91    113     76    100
  Hailstone, nr                   Apr-Jul    100    91    123     84    110
  Deer Ck Res                     Apr-Jul    106    83    131     86    127
American Fork River
  American Fork, nr, Up Pwrplnt,  Apr-Jul   14.3    46   18.0   11.3     31
  American Fork, nr, Up Pwrplnt,  Apr-Jul   14.3    46   18.0   11.3     31
Jordan River
  Utah Lake, Provo, nr            Apr-Jul    193    59    240    156    325
Little Cottonwood Ck
  Salt Lake City, nr              Apr-Jul     29    76     36     25     38
Big Cottonwood Ck
  Salt Lake City, nr              Apr-Jul     26    72     34     22     36
City Ck
  Salt Lake City, nr              Apr-Jul    4.2    55    6.0    3.5    7.7
Emigration Ck
  Salt Lake City, nr              Apr-Jul    2.1    52    3.1   1.76    4.0
Mill Ck
  Salt Lake City, nr              Apr-Jul    3.3    52    4.9    2.6    6.4
Dell Fk River
  Little Dell Res                 Apr-Jul    2.7    49    4.5    2.1    5.5
Lambs Ck
  Lambs Ck                        Apr-Jul    2.4    45    4.4   1.46    5.3
Parleys Ck
  Salt Lake City, nr              Apr-Jul    6.4    45   10.9    4.6   14.2
S Willow Ck
  Grantsville, nr                 Apr-Jul   1.55    50    2.3   1.20    3.1
West Canyon Ck
  Cedar Fort, nr                  Apr-Jul   0.54    31   1.62   0.40   1.76

Sevier Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
EF Sevier River
  Kingston, nr                    Apr-Jul     21    60     30    9.7     35
Clear Ck
  Sevier, nr, Diversions, abv     Apr-Jul    9.5    45   15.0    6.5     21
Salina Ck
  Emery, nr                       Apr-Jul    4.0    51    7.1    2.2    7.9
Sevier River
  Gunnison, nr                    Apr-Jul     48    48     86     28     99
Beaver River
  Beaver, nr                      Apr-Jul   14.5    56     24   12.1     26
Coal Ck
  Cedar City, nr                  Apr-Jul    6.0    31    8.8    4.9   19.4

Eastern Utah - Green River Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Blacks Fork River
  Robertson, nr                   Apr-Jul     87    98    115     67     89
Green River
  Flaming Gorge Res, Flaming Gor  Apr-Jul   1400   143   1820   1050    980
White River
  Watson, nr                      Apr-Jul    270    96    340    210    280
Big Brush Ck
  Vernal, nr, Red Fleet Res, abv  Apr-Jul   13.0    62     20    7.5     21
Ashley Ck
  Vernal, nr                      Apr-Jul     27    54     45   17.5     50
Whiterocks River
  Whiterocks, nr                  Apr-Jul     30    56     50     21     54
Uinta River
  Neola, nr                       Apr-Jul     58    78     80     38     74
Yellowstone River
  Altonah, nr                     Apr-Jul     54    89     69     39     61
Lake Fork River
  Moon Lake Res, Mtn Home, nr     Apr-Jul     62    94     73     48     66
Rock Ck
  Upper Stillwater Res            Apr-Jul     72    97     89     58     74
South Fork Rock Ck
  Docs Div, blo                   Apr-Jul    5.5    75    7.6    4.2    7.3
Rock Ck
  Mountain Home, nr               Apr-Jul     82    93     99     65     88
West Fork Duchesne River
  Vat Diversion, blo              Apr-Jul   13.5    73   17.5    9.7   18.6
Duchesne River
  Tabiona, nr                     Apr-Jul     86    80    110     70    108
  Duchesne, nr, Knight Div, abv   Apr-Jul    166    86    200    130    194
Currant Ck
  Currant Ck Res                  Apr-Jul   15.0    75     21   11.2     20
Strawberry River
  Solider Springs,nr - Strawberr  Apr-Jul     36    51     55     24     71
  Starvation Res, Duchesne, nr    Apr-Jul     72    64    100     55    112
Duchesne River
  Myton                           Apr-Jul    250    76    315    170    330
  Randlett, nr                    Apr-Jul    265    69    335    185    385
Fish Ck
  Scofield, nr, Reservoir, abv    Apr-Jul     23    77     29   16.0     30
Price River
  Scofield Res, Scofield, nr      Apr-Jul     31    76     40     22     41
White River
  Blo Tabbyune Ck, Soldier Summi  Apr-Jul    9.7    63   13.9    7.1   15.5
Green River
  Green River, Ut                 Apr-Jul   3450   117   4400   2700   2960
Huntington Ck
  Electric Lake                   Apr-Jul   10.2    77   14.5    7.5   13.3
  Power Plant, blo -Huntington,   Apr-Jul     34    85     45     26     40
Seeley Ck
  Joes Vly Res, Orangeville, nr   Apr-Jul     47    84     59     37     56
Ferron Ck
  Ferron, nr                      Apr-Jul     34    89     43     26     38
Muddy Ck
  Emery, nr                       Apr-Jul   16.1    81     22   10.7   19.9

Upper Colorado Basin - UC and Dolores
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Dolores River
  Cisco, nr                       Apr-Jul    480    85    650    350    565
Colorado River
  Cisco, nr                       Apr-Jul   5050   114   6680   4100   4440
  Lake Powell, Glen Cyn Dam, at   Apr-Jul   7850   110  10300   5800   7160

San Juan Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
San Juan River
  Bluff, nr                       Apr-Jul    830    75   1100    600   1100

lower colorado basin - virgin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Santa Clara River
  Pine Valley, nr                 Apr-Jul   1.05    21   1.71   0.95    5.0
Virgin River
  Virgin                          Apr-Jul     21    36     26   19.2     58
  Hurricane, nr                   Apr-Jul   12.3    20   17.9    9.2     63
  Littlefield                     Apr-Jul   11.2    17   15.8    9.5     65

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/WPM, AN, TJC




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