Flood Potential Outlook
Issued by NWS Denver/Boulder, CO

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FGUS75 KBOU 122130
ESFBOU
COC001-005-013-014-019-031-035-039-047-049-057-059-069-073-075-087-
093-095-115-117-121-123-010000-

Water Supply Outlook
National Weather Service Denver/Boulder CO
329 PM MDT Fri May 12 2017

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

On May 12th the mountain snowpack at NRCS SNOTEL sites was 99
percent of normal in the South Platte Basin...102 percent of normal
in the upper Colorado River Basin and 87 percent of normal in the
North Platte Basin. The majority of U.S. Geological Survey gages
recorded near normal streamflow.

Basin reservoir storage at the end of April was 106 percent of
average in the South Platte Basin and 113 percent of average in the
upper Colorado River Basin.

                                  Median Forecast
                                      Volume      Percent
Stream and Station         Period     1000 AF      of Avg
__________________         ______     _______     _______
South Platte River
 Antero Reservoir inflow   Apr-Sep      11          74
 Spinney Mtn Res inflow    Apr-Sep      36          68
 11-Mile Canyon Res inflow Apr-Sep      37          64
 Cheesman Lake inflow      Apr-Sep      54          51
 South Platte              Apr-Sep     100          53

Bear Creek
 Morrison                  Apr-Sep      10          61

Clear Creek
 Golden                    Apr-Sep      66          62

Saint Vrain Creek
 Lyons                     Apr-Sep      77          84

Boulder Creek
 Orodell                   Apr-Sep      36          71

South Boulder Creek
 Eldorado Springs          Apr-Sep      17          48

Cache La Poudre River
 Canyon Mouth              Apr-Sep     184          95

North Platte River
 Northgate                 Apr-Sep     334         178

Colorado River
 Granby                    Apr-Jul     235         107

Willow Creek
 Willow Creek Res          Apr-Jul      65         138

Fraser River
 Winter Park               Apr-Jul      21         108

Williams Fork River
 Williams Fork Reservoir   Apr-Jul     105         109

Blue River
 Dillon Res                Apr-Jul     175         107
 Green Mtn Res             Apr-Jul     295         107

Muddy Creek
 Wolford Mtn Res Blw       Apr-Jul      40          74

Colorado River
 Kremmling                 Apr-Jul     930         108

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

Additional supportive information
- Visit the Missouri Basin RFC information webpage for water supply
forecasts east of the divide at weather.gov/mbrfc/water.
- Visit the Colorado Basin RFC for water supply forecasts west of
the divide at cbrfc.noaa.gov/lmap/lmap.php?interface=wsup.
- Visit our website at weather.gov/bou for additional local
weather...climate and stream information.
- Long range precipitation and temperature outlooks are available at
www.cpc.ncep.noaa.gov/products/predictions/.
- Snowpack and reservoir data are available from the Natural
Resources Conservation Service at www.wcc.nrcs.usda.gov/snow/.

$$
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