Water Supply Outlook for Alberta
June 2015
Water Supply Forecast as of June 1, 2015 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for June 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-May 2015 Volume as a % of Average | Ranking (lowest to highest) | |
Lake Abraham Inflow | 1,594,000* | 86 | 82-90 | 78 | 17/100 | 122** | 69/100 | |
Brazeau Reservoir Inflow | 1,019,000* | 84 | 65-106 | 47 | 33/100 | 77** | 18/100 | |
North Saskatchewan River at Edmonton | 3,661,000* | 85 | 77-94 | 69 | 25/100 | 94** | 38/100 |
*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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