Water Supply Outlook for Alberta
April 2002
Table 4b Water Supply Forecast as of April 1, 2002 - Bow River Basin
(Natural Flows) |
Volume Forecast for April 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 2002 Volume as a % of Average | Ranking (lowest to highest) | |
Bow River at Banff | 973,000* | 92 | 79-110 | 71 | 27/84 | 78 | 3/84 | |
Lake Minnewanka Inflow | 166,000* | 91 | 68-122 | 60 | 32/84 | 53 | 7/84 | |
Spray River near Banff | 324,000* | 91 | 72-119 | 67 | 30/84 | 55 | 1/84 | |
Kananaskis River | 361,000* | 89 | 72-113 | 66 | 29/84 | 61 | 5/84 | |
Bow River at Calgary | 2,177,000* | 92 | 72-114 | 65 | 31/84 | 55 | 1/84 | |
Elbow River | 174,000* | 82 | 60-113 | 50 | 34/84 | 64 | 2/84 | |
Highwood River | 464,000* | 75 | 49-111 | 37 | 31/84 | 31 | 3/84 |
*NOTE: The forecast shown is the March to September 2002 forecast minus the recorded volume to date Note: Click on the site Location to see the Water Supply Forecast graphically Average is calculated for the period 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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