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000
FGUS65 KSTR 032010
ESPUT

COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE
SALT LAKE CITY UT
MAY 3,2013


            INTERNAL NWS PRODUCT FOR GUIDANCE PURPOSES ONLY

                     WATER SUPPLY INFORMATION FOR
                                 UTAH

                                 AS OF
                               MAY 1,2013


PRECIPITATION AND SNOWPACK (% OF AVERAGE, ROUNDED):

SUBBASIN                 APR PRECIP     OCT-APR PREC     MAY 1 SNOWPACK
----------------------   ----------     ------------     -------------
BEAR                        135              95                80
WEBER                       110              80                75
SIX CREEKS (SLC)            110              90                70
PROVO                       115              75                50
SEVIER                       70              75                40
VIRGIN                       55              65                25
DUCHESNE                    145              80                75
PRICE/SAN RAFAEL            125              85                50

Afos message output for EGDD: utesp.drv
Developed:                    May 1 2013

Great Salt Lake Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Bear River
  Utah-Wyoming State Line, nr     Apr-Jul     75    67     93     55    112
  Woodruff Narrows Rsvr, abv      Apr-Jul     72    60    100     50    121
  Montpelier, nr, Stewart Dam, b  Apr-Jul     45    25     75   11.0    182
Smiths Fork River
  Border, nr                      Apr-Jul     56    63     69     42     89
Logan River
  Logan, nr, State Dam, abv       Apr-Jul     69    62     90     45    111
Blacksmith Fork River
  Hyrum, nr, Upnl Dam, abv        Apr-Jul     22    51     35   14.0     43
Little Bear River
  Paradise                        Apr-Jul   14.0    30     26    5.0     47
Weber River
  Oakley, nr                      Apr-Jul     80    68    100     55    118
  Rockport Res, Wanship, nr       Apr-Jul     75    60    100     50    126
  Coalville, nr                   Apr-Jul     75    58    105     50    129
  Echo Res, Echo, at              Apr-Jul     97    58    130     55    166
  Gateway                         Apr-Jul    152    48    230     75    320
Chalk Ck
  Coalville                       Apr-Jul     24    59     37   11.0     41
Weber River
  Coalville, nr                   Apr-Jul     75    58    105     50    129
Lost Ck
  Lost Ck Res, Croydon, nr        Apr-Jul    3.9    29    5.5   1.50   13.4
East Canyon Ck
  East Canyon Res, Morgan, nr     Apr-Jul   12.5    46   19.0    6.0     27
SF Ogden River
  Huntsville, nr                  Apr-Jul   18.8    34     35    8.0     56
Ogden River
  Pineview Res, Ogden, nr         Apr-Jul     35    31     70   11.0    113
Spanish Fork River
  Castilla, nr                    Apr-Jul     22    32     38    8.0     69
Provo River
  Woodland, nr                    Apr-Jul     65    65     86     49    100
  Hailstone, nr                   Apr-Jul     72    65     89     43    110
  Deer Ck Res                     Apr-Jul     71    56     91     41    127
American Fork River
  American Fork, nr, Up Pwrplnt,  Apr-Jul   12.0    39   17.0    6.0     31
Jordan River
  Utah Lake, Provo, nr            Apr-Jul    145    45    230     70    325
Little Cottonwood Ck
  Salt Lake City, nr              Apr-Jul     25    66     31   19.0     38
Big Cottonwood Ck
  Salt Lake City, nr              Apr-Jul     22    61     28   14.5     36
City Ck
  Salt Lake City, nr              Apr-Jul    4.3    56    5.8    3.0    7.7
Emigration Ck
  Salt Lake City, nr              Apr-Jul   1.20    30    2.3   0.10    4.0
Mill Ck
  Salt Lake City, nr              Apr-Jul    2.9    45    4.1   1.80    6.4
Dell Fk River
  Little Dell Res                 Apr-Jul    2.9    53    4.5   1.00    5.5
Lambs Ck
  Lambs Ck                        Apr-Jul   1.70    32    3.5   0.55    5.3
Parleys Ck
  Salt Lake City, nr              Apr-Jul    5.8    41   10.0    2.2   14.2
S Willow Ck
  Grantsville, nr                 Apr-Jul    2.5    81    3.2   1.90    3.1
West Canyon Ck
  Cedar Fort, nr                  Apr-Jul   0.61    35   1.20   0.20   1.76

Sevier Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
EF Sevier River
  Kingston, nr                    Apr-Jul     25    71     34   19.7     35
Clear Ck
  Sevier, nr, Diversions, abv     Apr-Jul   10.8    51   13.8    8.0     21
Salina Ck
  Emery, nr                       Apr-Jul    3.5    44    4.7    2.0    7.9
Sevier River
  Gunnison, nr                    Apr-Jul     32    32     47     23     99
Beaver River
  Beaver, nr                      Apr-Jul   11.7    45   14.7    8.0     26
Coal Ck
  Cedar City, nr                  Apr-Jul    8.9    46   10.9    5.8   19.4

Eastern Utah - Green River Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Blacks Fork River
  Robertson, nr                   Apr-Jul     63    71     82     42     89
Green River
  Flaming Gorge Res, Flaming Gor  Apr-Jul    480    49    685    300    980
White River
  Watson, nr                      Apr-Jul    176    63    235    121    280
Big Brush Ck
  Vernal, nr, Red Fleet Res, abv  Apr-Jul   14.2    68   18.6   12.1     21
Ashley Ck
  Vernal, nr                      Apr-Jul     33    66     43     24     50
Whiterocks River
  Whiterocks, nr                  Apr-Jul     39    72     52     25     54
Uinta River
  Neola, nr                       Apr-Jul     52    70     72     33     74
Yellowstone River
  Altonah, nr                     Apr-Jul     45    74     56     33     61
Lake Fork River
  Moon Lake Res, Mtn Home, nr     Apr-Jul     50    76     65     36     66
Rock Ck
  Upper Stillwater Res            Apr-Jul     56    76     70     43     74
South Fork Rock Ck
  Docs Div, blo                   Apr-Jul    5.2    71    6.6    4.2    7.3
Rock Ck
  Mountain Home, nr               Apr-Jul     67    76     83     55     88
West Fork Duchesne River
  Vat Diversion, blo              Apr-Jul   11.1    60   15.5    7.0   18.6
Duchesne River
  Tabiona, nr                     Apr-Jul     72    67     92     53    108
  Duchesne, nr, Knight Div, abv   Apr-Jul    136    70    170    105    194
Currant Ck
  Currant Ck Res                  Apr-Jul    8.7    44   13.0    7.1     20
Strawberry River
  Solider Springs,nr - Strawberr  Apr-Jul   18.9    34     29   11.9     55
  Starvation Res, Duchesne, nr    Apr-Jul     40    36     60     26    112
Duchesne River
  Myton                           Apr-Jul    149    45    205     97    330
  Randlett, nr                    Apr-Jul    160    42    215    108    385
Fish Ck
  Scofield, nr, Reservoir, abv    Apr-Jul   17.0    57     22   14.3     30
Price River
  Scofield Res, Scofield, nr      Apr-Jul     22    54     29   17.9     41
White River
  Blo Tabbyune Ck, Soldier Summi  Apr-Jul    3.9    25    6.4    2.2   15.5
Green River
  Green River, Ut                 Apr-Jul   1540    52   2170   1150   2960
Huntington Ck
  Electric Lake                   Apr-Jul    5.3    40    7.2    3.5   13.3
  Power Plant, blo -Huntington,   Apr-Jul   19.7    49     26   17.3     40
Seeley Ck
  Joes Vly Res, Orangeville, nr   Apr-Jul     25    45     33   18.8     56
Ferron Ck
  Ferron, nr                      Apr-Jul   19.5    51     28   13.7     38
Muddy Ck
  Emery, nr                       Apr-Jul    9.3    47   11.6    7.7   19.9

Upper Colorado Basin - UC and Dolores
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Dolores River
  Cisco, nr                       Apr-Jul    149    26    210    124    565
Colorado River
  Cisco, nr                       Apr-Jul   2310    52   3070   1810   4440
  Lake Powell, Glen Cyn Dam, at   Apr-Jul   3000    42   4250   1750   7160

San Juan Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
San Juan River
  Bluff, nr                       Apr-Jul    385    35    525    275   1100

lower colorado basin - virgin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Santa Clara River
  Pine Valley, nr                 Apr-Jul    2.3    46    3.1   1.56    5.0
Virgin River
  Virgin                          Apr-Jul     27    47     34     20     58
  Hurricane, nr                   Apr-Jul     25    40     35   13.5     63
  Littlefield                     Apr-Jul     27    42     34   16.0     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/Bernard, Bender, Neilsen, Smith (801)534-3570




CBRFC/(801)524-3570

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