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Flood Potential Outlook
Issued by NWS Denver/Boulder, CO

000
FGUS75 KBOU 072300 CCA
ESFBOU
COC001-005-013-014-019-031-035-039-047-049-057-059-069-073-075-087-
093-095-115-117-121-123-230000-

WATER SUPPLY OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
252 PM MDT FRI JUN 7 2013

NATIONAL WEATHER SERVICE STREAMFLOW FORECASTS FOR NORTH CENTRAL
COLORADO AS OF JUNE 2013.

MOUNTAIN SNOWPACK CONTINUED TO IMPROVE WITH THE WET SPRING WEATHER
IN NORTH CENTRAL COLORADO. MEANWHILE COOL TEMPERATURES SLOWED THE
SNOWMELT THROUGH EARLY MAY. THE PEAK SNOWPACK OCCURRED A WEEK AND A
HALF LATER THAN NORMAL IN THE UPPER COLORADO RIVER BASIN AND TWO
WEEKS LATER THAN NORMAL IN THE SOUTH PLATTE BASIN THIS YEAR. ON JUNE
7TH BASIN SNOWPACK WAS 90 TO 93 PERCENT OF AVERAGE ACROSS NORTH
CENTRAL COLORADO.

THE COOL WEATHER HELPED THE WATER SUPPLY SITUATION BY TEMPORARILY
DECREASING THE DEMAND FOR WATER. AS THE SNOWMELT RUNOFF INCREASED IN
THE UPPER COLORADO RIVER BASIN...COMBINED RESERVOIR STORAGE CLIMBED
SIGNIFICANTLY FROM ONLY 67 PERCENT OF AVERAGE AT THE END OF APRIL TO
83 PERCENT OF AVERAGE BY THE END OF MAY. THE SOUTH PLATTE BASIN
STORAGE ALSO IMPROVED TO 91 PERCENT OF AVERAGE ON MAY 31ST.

WITH THE GOOD SNOW ACCUMULATION MID APRIL THROUGH EARLY
MAY...STREAMFLOW FORECASTS CONTINUED TO IMPROVE. FOLLOWING ARE WATER
SUPPLY FORECASTS AT SELECTED LOCATIONS:

                             MOST PROBABLY FORECAST
                           RUNOFF     VOLUME      PERCENT
STREAM AND STATION         PERIOD     1000 AF      OF AVG
__________________         ______     _______     _______
SOUTH PLATTE RIVER
 ANTERO RESERVOIR INFLOW   JUN-SEP      13.2       100
 SPINNEY MTN RES INFLOW    JUN-SEP      48         104
 11-MILE CANYON RES INFLOW JUN-SEP      49         102
 CHEESMAN LAKE INFLOW      JUN-SEP      82          93
 SOUTH PLATTE              JUN-SEP     141          92

BEAR CREEK
 EVERGREEN ABV             JUN-SEP      12.0        89
 MORRISON                  JUN-SEP      14.3        89

CLEAR CREEK
 GOLDEN                    JUN-SEP      85          85

ST VRAIN CREEK
 LYONS                     JUN-SEP      60          82

BOULDER CREEK
 ORODELL                   JUN-SEP      40          89

SOUTH BOULDER CREEK
 ELDORADO SPRINGS          JUN-SEP      24          89

BIG THOMPSON RIVER
 CANYON MOUTH              JUN-SEP      71          89

CACHE LA POUDRE
 CANYON MOUTH              JUN-SEP     145          88

NORTH PLATTE RIVER
 NORTHGATE                 JUN-SEP     110          75

COLORADO RIVER
 LAKE GRANBY               JUN-JUL     130          90
 KREMMLING                 JUN-JUL     450          86

WILLOW CREEK
 WILLOW CREEK RES          JUN-JUL      18          86

FRASER RIVER
 WINTER PARK               JUN-JUL      13          92

WILLIAMS FORK RIVER
 WILLIAMS FORK RES         JUN-JUL      56          86

BLUE RIVER
 DILLON RES                JUN-JUL     105          95
 GREEN MTN RES             JUN-JUL     165          90

MUDDY CREEK
 WOLFORD MTN RES BLW       JUN-JUL      16          83

THESE FORECASTS REFLECT NATURAL FLOW ONLY. ACTUAL OBSERVED FLOW WILL
LIKELY BE AFFECTED BY UPSTREAM WATER MANAGEMENT.

ADDITIONAL SUPPORTIVE INFORMATION (WEB ADDRESSES ARE IN LOWER CASE):
-VISIT OUR WEB SITE AT WWW.WEATHER.GOV/BOU FOR MORE LOCAL
WEATHER...CLIMATE AND STREAM INFORMATION.
-LONG RANGE PRECIPITATION AND TEMPERATURE OUTLOOKS ARE AVAILABLE AT
HTTP://WWW.CPC.NCEP.NOAA.GOV/PRODUCTS/PREDICTIONS/.
-SNOWPACK AND RESERVOIR DATA ARE AVAILABLE FROM THE NATURAL
RESOURCES CONSERVATIONS SERVICE AT HTTP://WWW.CO.NRCS.USDA.GOV/SNOW/.
-THE U.S. DROUGHT MONITOR IS AVAILABLE AT
HTTP://DROUGHT.UNL.EDU/DM/MONITOR.HTML.

$$
TH