Water Supply Outlook for Alberta
June 2002
Table 6b - Water Supply Forecast as of June 1, 2002 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for June 1 to September 30 | Year to date | |||||||
Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average |
Reasonable Minimum as % of Average |
Forecast Ranking (lowest to highest) | Recorded March-May 2002 Volume as a % of Average | Ranking (lowest to highest) | |
Lake Abraham Inflow | 1,878,000* | 96 | 87-104 | 85 | 13/31** | 83**** | 7/18 | |
Brazeau Reservoir Inflow | 1,065,000* | 96 | 80-123 | 71 | 15/32*** | 74**** | 7/29 | |
North Saskatchewan River at Edmonton | 4,068,000* | 87 | 73-110 | 67 | 32/84 | 82**** | 28/84 |
*NOTE: The forecast shown is the March to September 2002 forecast minus the recorded volume to date Click on the site Location to see the Water Supply Forecast graphically ** Lake Abraham is compared to 31 years of data 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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