Water Supply Outlook for Alberta
February 2002
| Table 6 Water Supply Forecast as of February 1, 2002 - North Saskatchewan River Basin (Natural Flows) |
| Volume Forecast for March 1 to September 30 | ||||||
| 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) | Actual March-September 2001 Volume as a % of Average |
| Lake Abraham Inflow | 1,975,000 | 93 | 87-108 | 81 | 7/18* | 83 |
| Brazeau Reservoir Inflow | 1,181,000 | 82 | 67-110 | 61 | 10/29** | 66 |
| North Saskatchewan River at Edmonton | 4,339,000 | 74 | 67-100 | 62 | 14/84 | 67 |
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* Lake Abraham is compared to 18 years of data Average is calculated for the March 1 to September 30 period from 1912 to 1995 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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