Water Supply Outlook for Alberta
April 2015
Water Supply Forecast as of April 1, 2015 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for April 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 2015 Volume as a % of Average | Ranking (lowest to highest) | |
Lake Abraham Inflow | 1,999,000* | 94 | 89-100 | 84 | 27/100 | 101** | 56/100 | |
Brazeau Reservoir Inflow | 1,433,000* | 94 | 79-113 | 65 | 44/100 | 143** | 78/100 | |
North Saskatchewan River at Edmonton | 5,033,000* | 94 | 87-102 | 80 | 37/100 | 161** | 98/100 |
*NOTE: The forecast shown is the March to September 2015 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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