Water Supply Outlook for Alberta
August 2017
Water Supply Forecast as of August 1, 2017 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for August 1 to September 30, 2017 | 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 2017 Volume as a % of Average | Ranking (lowest to highest) | |
Lake Abraham Inflow | 743,000* | 102 | 93-110 | 86 | 55/100 | 120** | 85/100 | |
Brazeau Reservoir Inflow | 349,000* | 84 | 37-49 | 32 | 32/100 | 87** | 31/100 | |
North Saskatchewan River at Edmonton | 1,873,000* | 119 | 110-128 | 102 | 72/100 | 125** | 80/100 |
*NOTE: The forecast shown is the March to September 2017 forecast minus the recorded volume to date   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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