Water Supply Outlook for Alberta

May 2015

Water Supply Forecast as of May 1, 2015 - Red Deer River Basin (Natural Flows)


Volume Forecast for May 1 to September 30, 2015 Year to date
Locations Volume in dam3 Volume as a % of Average Probable Range as a % of Average Potential Minimum as % of Average Forecast Ranking (lowest to highest) Recorded March-April 2015 Volume as a % of Average Ranking (lowest to highest)
Red Deer River
at Dickson Dam
607,000* 78 67-89 58 25/99 84** 33/99
Red Deer River
at Red Deer
745,000* 71 50-92 30 30/99 86** 46/99

*NOTE: The forecast shown is the March to September 2015 forecast minus the recorded volume to date

** Recorded 2015 natural volumes are preliminary and subject to change

Average is calculated for the March 1 to September 30 period 1981 to 2010

NOTE: There is: a 50% chance that the actual natural flow will fall within the probable range given; a 25% chance that the actual flow will be less than the lower bound of the probable range given; and a 10% chance that the actual natural flow will be less than the reasonable minimum. Actual day to day streamflow conditions may vary throughout the season as a result of the effects of streamflow diversion and reservoir storage.


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