Water Supply Outlook for Alberta
March 2013
Water Supply Forecast as of March 1, 2013 - Bow River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2013 | ||||||
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 2012 Volume as a % of Average |
Bow River at Banff | 947,600 | 94 | 89-99 | 85 | 27/98 | 135 |
Lake Minnewanka Inflow | 167,700 | 95 | 83-109 | 72 | 36/99 | 168 |
Spray River near Banff | 375,000 | 104 | 97-104 | 91 | 53/99 | 114 |
Kananaskis River | 386,000 | 101 | 91-112 | 82 | 42/99 | 125 |
Bow River at Calgary | 2,282,000 | 99 | 94-104 | 90 | 41/99 | 135 |
Elbow River | 178,200 | 88 | 78-110 | 69 | 38/99 | 125 |
Highwood River | 507,000 | 91 | 72-91 | 55 | 38/99 | 130 |
Average is calculated for the March 1 to September 30 period from 1981 to 2009
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