Extended Streamflow Prediction
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3
000
FGUS65 KSTR 032048
ESPWY
COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH

                      WATER SUPPLY INFORMATION FOR
                            SOUTHWEST WYOMING
                                   AS OF
                             June 3, 2022


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

SUBBASIN                    MAY      OCT-MAY      MAY
                          PRECIP     PRECIP       FLOW
----------------------    ------     -------    --------
GREEN ABV FLAMING GORGE     105         95         35
BEAR RIVER HEADWATERS        95         95         85


RESERVOIR STORAGE (KAF) AS OF May  31,  2022

                         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|      334.0|       158.3|     47||      151.6|        45|
   BIG SANDY - BIG SANDY|       38.3|        17.9|     47||       18.8|        49|
   BLACKS FORK - MEEKS C|       29.9|        28.4|     95||       16.6|        56|
   EF SMITHS FORK - STAT|       13.9|        12.8|     92||        8.3|        60|
   GREEN - FLAMING GORGE|     3749.0|      2769.2|     74||     3148.8|        84|
   BEAR - WOODRUFF NARRO|       55.8|        39.0|     70||       14.6|        26|


STREAMFLOW FORECASTS:
Developed:                    Jun 1 2022
Provo River
  Woodland, nr             Apr-Jul     84    88     90     86     74     66     96
  Hailstone, nr            Apr-Jul     83    78     89     85     73     65    106
  Deer Ck Reservoir        Apr-Jul     89    75     96     92     76     69    119
Spanish Fork River
  Castilla, nr             Apr-Jul     24    44     27     25   22.0   19.5     54
American Fork River
  American Fork, nr, Up P  Apr-Jul   10.2    41   12.4   10.9    8.4    6.3     25
West Canyon Ck
  Cedar Fort, nr           Apr-Jul   0.04     2   0.12   0.06   0.01   0.00   1.74
Salt Ck
  Nephi Powerplant Div, b  Apr-Jul    3.7    47    4.3    3.8    3.2    3.1    7.8
Jordan River
  Utah Lake, Provo, nr     Apr-Jul    167    78    185    172    150    131    215
Little Cottonwood Ck
  Salt Lake City, nr       Apr-Jul     25    74     27     26   22.0   19.7     34
Big Cottonwood Ck
  Salt Lake City, nr       Apr-Jul     21    62     26     23   19.0   18.0     34
Mill Ck
  Salt Lake City, nr       Apr-Jul    3.2    62    3.9    3.4    2.9    2.8    5.2
Lambs Ck
  Salt Lake City, nr       Apr-Jul    2.2    51    2.8    2.3   1.98   1.70    4.3
Dell Fk River
  Little Dell Reservoir    Apr-Jul   1.92    44    2.7    2.0   1.80   1.70    4.4
Parleys Ck
  Salt Lake City, nr       Apr-Jul    5.4    47    7.1    5.6    4.9    4.6   11.5
Red Butte Ck
  Ft Douglas, at, Salt La  Apr-Jul   0.63    40   0.85   0.70   0.58   0.54   1.56
City Ck
  Salt Lake City, nr       Apr-Jul    3.3    51    4.0    3.5    3.2    2.6    6.5
Weber River
  Oakley, nr               Apr-Jul     85    77     95     87     75     69    111
  Rockport Res, Wanship,   Apr-Jul     79    69     91     81     72     66    115
  Coalville, nr            Apr-Jul     81    68     88     82     72     64    119
Chalk Ck
  Coalville                Apr-Jul     21    60     25     23   18.9   17.1     35
Weber River
  Echo Reservoir, Echo, a  Apr-Jul     98    64    107    100     87     78    152
Lost Ck
  Lost Ck Reservoir, Croy  Apr-Jul    6.5    51    7.5    7.0    6.0    5.8   12.8
East Canyon Ck
  East Canyon Reservoir,   Apr-Jul   11.8    51   15.0   12.1   10.2    9.5     23
Weber River
  Gateway                  Apr-Jul    154    56    195    164    140    127    275
SF Ogden River
  Huntsville, nr           Apr-Jul     31    60     37     32     28     27     52
Ogden River
  Pineview Reservoir, Ogd  Apr-Jul     50    46     63     55     47     45    109
Bear River
  Utah-Wyoming State Line  Apr-Jul     82    75    100     87     75     68    109
  Woodruff Narrows Rsvr,   Apr-Jul     77    71     90     79     67     61    108
Smiths Fork River
  Border, nr               Apr-Jul     56    64     65     57     47     42     88
Bear River
Logan River
  Logan, nr, State Dam, a  Apr-Jul     57    54     65     61     51     47    106
Blacksmith Fork River
  Hyrum, nr, Upnl Dam, ab  Apr-Jul   19.2    52     21     20   17.0   14.8     37
Little Bear River
  Paradise                 Apr-Jul   13.8    35   17.0   14.5   12.6   11.5     39
S Willow Ck
  Grantsville, nr          Apr-Jul   1.04    35   1.14   1.07   0.87   0.80    3.0
Sevier River
  Hatch                    Apr-Jul     21    44     28     24   20.0   18.4     48
  Kingston, nr             Apr-Jul    6.3    20    9.3    7.5    5.0    3.0     32
EF Sevier River
  Kingston, nr             Apr-Jul     22    71     24     23   20.0   11.0     31
Sevier River
  Piute Reservoir, Marysv  Apr-Jul     23    39     27     24   14.6   11.0     59
Clear Ck
  Sevier, nr, Diversions,  Apr-Jul   11.8    64   13.8   12.1   10.3    9.9   18.5
Salina Ck
  Emery, nr                Apr-Jul    2.3    37    2.8    2.5   2.00   1.80    6.2
Manti Ck
  Manti, nr, Dugway Ck, b  Apr-Jul   10.5    74   11.1   10.8    9.0    7.9   14.2
Beaver River
  Beaver, nr               Apr-Jul   14.6    63   15.8   14.9   13.1   11.6     23
Coal Ck
  Cedar City, nr           Apr-Jul    8.1    45   10.7    9.0    7.0    7.6   18.1
  Cedar City, nr           Apr-Jul    8.1    45   10.7    9.0    7.0    7.6   18.1

50% Most probable volume in 1000 acre-feet.
%AVG  Most probable volume in percent of the 1991-2020 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 1991-2020 period.

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

CBRFC/Alcorn/Kormos


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