Water Supply Outlook for Alberta
August 2009
Water Supply Forecast as of August 1, 2009 - Red Deer River Basin
(Natural Flows) |
Volume Forecast for August 1 to September 30, 2009 | 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-July 2009 Volume as a % of Average | Ranking (lowest to highest) | |
Red Deer River at Dickson Dam |
169,000* | 71 | 59-93 | 50 | 20/91 | 60** | 9/91 | |
Red Deer River at Red Deer |
204,000* | 69 | 53-90 | 47 | 34/91 | 55** | 12/91 |
*NOTE: The forecast shown is the March to September 2009 forecast minus the recorded volume to date ** Recorded 2009 natural volumes are preliminary and subject to change Average is calculated for the period 1912 to 2001 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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