Flood Potential Outlook
Issued by NWS Denver/Boulder, CO

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FGUS75 KBOU 102221

Water Supply Outlook
National Weather Service Denver/Boulder CO
320 PM MST Fri Feb 10 2017

...Water Supply Outlook for north central and northeast Colorado as
of February 2017...

Snowfall was well above normal throughout the month of January. The
current water supply forecasts use data as of February 1st. On that
day mountain snowpack was around 155 percent of normal in the South
Platte and upper Colorado River basins and 135 percent of normal in
the North Platte River basin. Reservoir storage remained at 105
percent of average in the north central Colorado basins. Streamflow
forecasts range from near to well above normal seasonal volumes.

Above normal mountain snowfall continued through early February.
Mountain snowpack fell only slightly to 145 to 150 percent of normal
in the South Platte and upper Colorado River basins and 132 percent
of normal in the North Platte River basin on February 10th.
Streamflow was near to much above normal in the South Platte River
basin and near to below normal in the upper Colorado River basin.

                               Most Probably Forecast
                                      Volume      Percent
Stream and Station         Period     1000 AF      of Avg
__________________         ______     _______     _______
South Platte River
 Antero Reservoir inflow   Apr-Jul      14.6       101
 Spinney Mtn Res inflow    Apr-Jul      51         106
 11-Mile Canyon Res inflow Apr-Jul      52         104
 Cheesman Lake inflow      Apr-Jul     101         101
 South Platte              Apr-Jul     198         110

Bear Creek
 above Evergreen           Apr-Jul      17.4       106

Clear Creek
 Golden                    Apr-Jul     126         120

Saint Vrain Creek
 Lyons                     Apr-Jul     109         124

Boulder Creek
 Orodell                   Apr-Jul      62         115

South Boulder Creek
 Eldorado Springs          Apr-Jul      44         113

Big Thompson River
 Canyon Mouth              Apr-Jul     107         119

Cache La Poudre River
 Canyon Mouth              Apr-Jul     265         118

North Platte River
 Northgate                 Apr-Jul     305         136

Colorado River
 Granby                    Apr-Jul     250         114

Willow Creek
 Willow Creek Res          Apr-Jul      65         138

Fraser River
 Winter Park               Apr-Jul      23         119

Williams Fork River
 Williams Fork Reservoir   Apr-Jul     115         120

Blue River
 Dillon Res                Apr-Jul     195         120
 Green Mtn Res             Apr-Jul     330         120

Muddy Creek
 Wolford Mtn Res Blw       Apr-Jul      62         115

Colorado River
 Kremmling                 Apr-Jul    1040         121

These forecasts reflect natural flow only. Actual observed flow will
likely be affected by upstream water management.

Additional supportive information
- Visit our website at weather.gov/bou for additional local
weather...climate and stream information.
- Long range precipitation and temperature outlooks are available at
- Snowpack and reservoir data are available from the Natural
Resources Conservation Service at www.wcc.nrcs.usda.gov/snow/.
- The U.S. Drought Monitor is available at droughtmonitor.unl.edu.


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