Water Supply Outlook for Alberta
August 2010
Water Supply Forecast as of August 1, 2010 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for August 1 to September 30, 2010 | 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 2010 Volume as a % of Average | Ranking (lowest to highest) | |
Lake Abraham Inflow | 664,000* | 88 | 82-93 | 71 | 12/43** | 77**** | 4/30 | |
Brazeau Reservoir Inflow | 290,000* | 75 | 65-92 | 57 | 11/44*** | 85**** | 10/41 | |
North Saskatchewan River at Edmonton | 1,488,000* | 86 | 75-99 | 69 | 32/91 | 81**** | 24/91 |
*NOTE: The forecast shown is the March to September 2010 forecast minus the recorded volume to date  
**** Recorded 2010 natural flows 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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