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
000
FGUS65 KSTR 041508
ESPCO

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

                      WATER SUPPLY INFORMATION FOR

                THE COLORADO RIVER BASIN WITHIN COLORADO

                           March 4, 2015


BASIN CONDITIONS (% OF AVERAGE) AS OF MARCH 1:
   *NOTE: SNOW IS % OF MEDIAN

 SUBBASIN                  FEB      OCT-FEB    MAR1      FEB
                          PRECIP    PRECIP     SNOW*   STRMFLW
----------------------    ------    -------    ----    --------
   UPPER COLORADO           85      90    95     110
   GUNNISON                 70      80    75     115
   DOLORES/SAN MIGUEL       90      80    80      75
   SAN JUAN                 95      80    70     100
   YAMPA/WHITE              75      80    75     135


RESERVOIR STORAGE (KAF) AS OF FEBUARY 28:
                            C U R R E N T   Y R     1981-2010
                          EOM      % of     % of    FEB 28        Usable
                          Storage  Average  CapacityAvg Storage   Capacity
   COLORADO - LAKE GRANB|    484.0|    146|     99||      332.0|     490.3|
   WILLOW CK - WILLOW CK|      9.5|    115|    104||        8.2|       9.1|
   WILLIAMS FORK - WILLI|     78.1|    125|     81||       62.4|      96.9|
   MUDDY CK - WOLFORD MO|     45.4|    103|     69||       44.2|      66.0|
   BLUE - DILLON RES    |    244.8|    112|     96||      219.3|     254.0|
   BLUE - GREEN MTN RES |     70.8|     96|     48||       73.5|     146.9|
   HOMESTAKE CK - HOMEST|  -9999.0|    -99|    -99||       30.7|      43.0|
   FRYING PAN - RUEDI RE|     78.2|    115|     77||       67.9|     102.0|
   PLATEAU CK - VEGA RES|     15.0|    113|     45||       13.2|      32.9|
   TAYLOR - TAYLOR PARK |     78.0|    119|     73||       65.7|     106.2|
   GUNNISON - BLUE MESA |    546.6|    113|     66||      482.2|     829.5|
   GUNNISON - MORROW POI|    110.1|     99|     94||      111.1|     117.0|
   GUNNISON - CRYSTAL RE|     16.7|    106|     95||       15.8|      17.5|
   MUDDY CK - PAONIA RES|      1.2|     25|      7||        4.7|      16.7|
   UNCOMPAHGRE - RIDGWAY|     77.5|    112|     93||       69.4|      83.0|
   DOLORES - MCPHEE RES |    186.0|     68|     49||      272.3|     381.1|
   LOS PINOS - VALLECITO|     99.8|    157|     80||       63.5|     125.4|
   SAN JUAN - NAVAJO RES|   1095.9|     85|     65||     1292.2|    1696.0|
   FLORIDA - LEMON RES, |     22.3|    106|     56||       21.0|      39.8|
   COLORADO - LAKE POWEL|  11023.6|     65|     45||    17054.6|   24322.0|


STREAMFLOW FORECASTS:
Developed:                    Mar 1 2015

Yampa/White Basins
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Yampa River
  Stagecoach Rsvr, abv            Apr-Jul     23   100     31   17.5     23
  Steamboat Springs               Apr-Jul    230    88    320    170    260
Elk River
  Milner, nr                      Apr-Jul    280    88    370    210    320
Elkhead Ck
  Long Gulch, abv, Hayden, nr     Apr-Jul     43    59     65     23     73
Yampa River
  Maybell, nr                     Apr-Jul    725    78    970    525    935
Little Snake River
  Slater, nr                      Apr-Jul    115    74    157     73    156
  Dixon, nr                       Apr-Jul    205    59    300    119    345
  Lily, nr                        Apr-Jul    210    61    310    115    345
Yampa River
  Deerlodge Park                  Apr-Jul    925    75   1300    600   1240
White River
  Meeker, nr                      Apr-Jul    230    82    320    175    280
  Watson, nr                      Apr-Jul    240    86    340    180    280

Upper Colorado, Above Gunnison Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Colorado River
  Lake Granby, Granby, nr         Apr-Jul    230   105    305    170    220
Willow Ck
  Willow Ck Res, Granby, nr       Apr-Jul     44    94     70     29     47
Fraser River
  Winter Park                     Apr-Jul     20   103     25   16.0   19.4
Williams Fork River
  Williams Fork Res, Parshall, n  Apr-Jul    100   104    135     80     96
Blue River
  Dillon Res                      Apr-Jul    188   115    235    150    163
  Green Mtn Res                   Apr-Jul    310   113    395    240    275
Muddy Ck
  Wolford Mountain Reservoir      Apr-Jul     50    93     70     30     54
Colorado River
  Kremmling, nr                   Apr-Jul    910   106   1200    700    860
Eagle River
  Gypsum, blo                     Apr-Jul    320    96    460    250    335
Colorado River
  Dotsero, nr                     Apr-Jul   1430   102   1920   1100   1400
Frying Pan River
  Ruedi Res, Basalt, nr           Apr-Jul    130    94    180    100    139
Roaring Fork River
  Glenwood Springs                Apr-Jul    600    87    825    485    690
Colorado River
  Glenwood Springs, blo           Apr-Jul   2000    95   2700   1600   2110
  Cameo, nr                       Apr-Jul   2110    89   2960   1700   2360
Plateau Ck
  Cameo, nr                       Apr-Jul     55    44     95     35    124

Gunnison Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Taylor River
  Taylor Park Res                 Apr-Jul     90    91    125     75     99
  Almont                          Apr-Jul    138    89    190    112    155
East River
  Almont                          Apr-Jul    133    73    195    103    182
Gunnison River
  Gunnison, nr                    Apr-Jul    290    78    415    210    370
Tomichi Ck
  Gunnison                        Apr-Jul     70    95    112     49     74
Lake Fork River
  Gateview                        Apr-Jul    127   103    180     90    123
Gunnison River
  Blue Mesa Res                   Apr-Jul    600    89    860    450    675
  Morrow Point Res                Apr-Jul    650    88    910    500    740
  Crystal Res                     Apr-Jul    730    87    990    580    835
Muddy Ck
  Paonia Res, Bardine, nr         Mar-Jun     58    60     90     40     96
  Paonia Res, Bardine, nr         Apr-Jul     58    60     90     40     97
NF Gunnison River
  Somerset, nr                    Apr-Jul    200    68    300    150    295
Surface Ck
  Cedaredge                       Apr-Jul   10.0    60   15.0    6.0   16.8
Uncompahgre River
  Ridgway Res                     Apr-Jul     91    90    130     68    101
  Colona                          Apr-Jul    118    86    185     90    137
  Delta                           Apr-Jul     90    80    162     65    113
Gunnison River
  Grand Junction, nr              Apr-Jul   1180    80   1850    930   1480

Dolores Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Dolores River
  Dolores                         Apr-Jul    200    82    285    125    245
  Mcphee Res                      Apr-Jul    230    78    350    140    295
San Miguel River
  Placerville, nr                 Apr-Jul    110    86    150     83    128
Dolores River
  Cisco, nr                       Apr-Jul    400    71    650    265    565

Upper Colorado, Confluence
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Colorado River
  Cisco, nr                       Apr-Jul   3650    82   5300   2850   4440

San Juan Basin
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
San Juan River
  Pagosa Springs                  Apr-Jul    125    58    185     80    215
  Carracas, nr                    Apr-Jul    200    53    300    135    380
Rio Blanco River
  Pagosa Springs, nr, Blanco Dam  Apr-Jul     35    65     50     24     54
Navajo River
  Chromo, nr, Oso Div Dam, blo    Apr-Jul     38    58     52     25     65
Piedra River
  Arboles, nr                     Apr-Jul    136    65    200     75    210
Los Pinos River
  Vallecito Res, Bayfield, nr     Apr-Jul    150    77    200     95    194
San Juan River
  Navajo Res, Archuleta, nr       Apr-Jul    415    56    650    215    735
Florida River
  Lemon Res, Durango, nr          Apr-Jul     38    69     55     21     55
Animas River
  Durango                         Apr-Jul    315    76    450    220    415
San Juan River
  Farmington                      Apr-Jul    655    60    970    370   1100
La Plata River
  Hesperus                        Apr-Jul   15.0    65     24    9.0     23
San Juan River
  Bluff, nr                       Apr-Jul    630    57    930    340   1100
Mancos River
  Mancos, nr                      Apr-Jul   19.0    61     31   10.0     31

Lake Powell
                                  Period      MP   MP%   RMAX   RMIN    AVG
                                  ------    ----   ---   ----   ----    ---
Colorado River
  Lake Powell, Glen Cyn Dam, at   Apr-Jul   5100    71   7200   3470   7160

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/fml



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