Water Supply Outlook for Alberta
March 2015
Water Supply Forecast as of March 1, 2015 - Bow River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2015 | ||||||
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 2014 Volume as a % of Average |
Bow River at Banff | 940,000 | 93 | 89-99 | 84 | 26/99 | 101 |
Lake Minnewanka Inflow | 161,000 | 91 | 79-105 | 68 | 34/99 | 110 |
Spray River near Banff | 383,000 | 106 | 100-106 | 94 | 58/99 | 88 |
Kananaskis River | 371,000 | 97 | 87-108 | 78 | 36/99 | 116 |
Bow River at Calgary | 2,255,000 | 98 | 93-103 | 88 | 37/99 | 144 |
Elbow River | 180,000 | 89 | 79-111 | 90 | 39/99 | 144 |
Highwood River | 476,000 | 86 | 67-104 | 50 | 34/99 | 156 |
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