Water Supply Outlook for Alberta
August 2002
| Table 4a Water Supply Forecast as of August 1, 2002 - Bow 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) | Recorded March-September 2001 Volume as a % of Average |
| Bow River at Banff | 1,021,000 | 95 | 91-103 | 89 | 34/84 | 72 |
| Lake Minnewanka Inflow | 197,000 | 105 | 102-117 | 100 | 49/84 | 67 |
| Spray River near Banff | 363,000 | 99 | 96-104 | 94 | 39/84 | 55 |
| Kananaskis River | 483,000 | 117 | 114-125 | 111 | 70/84 | 66 |
| Bow River at Calgary | 2,464,000 | 101 | 93-109 | 88 | 47/84 | 66 |
| Elbow River | 264,000 | 120 | 113-135 | 111 | 63/84 | 64 |
| Highwood River | 697,000 | 110 | 107-113 | 103 | 58/84 | 49 |
|
Note: Click on the site Location to see the Water Supply Forecast graphically 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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