Water Supply Outlook for Alberta
August 2002
Table 6b - Water Supply Forecast as of August 1, 2002 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for August 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-July 2002 Volume as a % of Average | Ranking (lowest to highest) | |
Lake Abraham Inflow | 682,000* | 90 | 63-98 | 45 | 10/31** | 108**** | 17/18 | |
Brazeau Reservoir Inflow | 273,000* | 70 | 53-98 | 38 | 6/29*** | 74**** | 8/29 | |
North Saskatchewan River at Edmonton | 1,252,000* | 72 | 50-99 | 39 | 8/84 | 78**** | 16/84 |
*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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