Water Supply Outlook for Alberta
February 2010
| Water Supply Forecast as of February 1, 2010 - Bow River Basin
(Natural Flows) |
| Volume Forecast for March 1 to September 30, 2010 | ||||||
| Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average |
Potential Minimum as % of Average |
Forecast Ranking (lowest to highest) | Recorded March-September 2009 Volume as a % of Average |
| Bow River at Banff | 894,000 | 83 | 73-92 | 66 | 12/91 | 72 |
| Lake Minnewanka Inflow | 158,000 | 85 | 72-96 | 62 | 29/91 | 84 |
| Spray River near Banff | 333,000 | 91 | 75-103 | 69 | 32/91 | 84 |
| Kananaskis River | 380,000 | 93 | 84-104 | 72 | 36/91 | 83 |
| Bow River at Calgary | 2,033,000 | 84 | 72-95 | 64 | 21/91 | 80 |
| Elbow River | 196,000 | 90 | 71-100 | 59 | 45/91 | 86 |
| Highwood River | 487,000 | 78 | 52-105 | 45 | 33/91 | 67 |
|
Average is calculated for the March 1 to September 30 period from 1912 to 2001
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 potential minimum. Actual day to day streamflow conditions may vary throughout the season as a result of the effects of streamflow diversion and reservoir storage. |
For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca
