Flood Potential Outlook
Issued by NWS Denver/Boulder, CO
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
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
above Evergreen Apr-Jul 17.4 106
Golden Apr-Jul 126 120
Saint Vrain Creek
Lyons Apr-Jul 109 124
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
Granby Apr-Jul 250 114
Willow Creek Res Apr-Jul 65 138
Winter Park Apr-Jul 23 119
Williams Fork River
Williams Fork Reservoir Apr-Jul 115 120
Dillon Res Apr-Jul 195 120
Green Mtn Res Apr-Jul 330 120
Wolford Mtn Res Blw Apr-Jul 62 115
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.