Water Supply Outlook for Alberta
March 2003
| Table 6 - Water Supply Forecast as of March 1, 2003 - 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 2002 Volume as a % of Average |
| Lake Abraham Inflow | 1,813,000 | 86 | 79-97 | 75 | 2/18* | 103 |
| Brazeau Reservoir Inflow | 979,000 | 68 | 57-93 | 55 | 4/29** | 71 |
| North Saskatchewan River at Edmonton | 4,074,000 | 69 | 62-92 | 59 | 5/84 | 72 |
|
Note: Click on the site Location to see the Water Supply Forecast graphically * 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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