Water Supply Outlook for Alberta
February 2018
Water Supply Forecast as of February 1, 2018 - Bow River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2018 | ||||||
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 2017 Volume as a % of Average |
Bow River at Banff | 1,055,000 | 105 | 99-111 | 94 | 49/99 | 116 |
Lake Minnewanka Inflow | 193,000 | 109 | 98-123 | 87 | 55/99 | 101 |
Spray River near Banff | 402,000 | 112 | 105-119 | 99 | 70/99 | 92 |
Kananaskis River | 392,000 | 102 | 92-113 | 82 | 44/99 | 95 |
Bow River at Calgary | 2,470,000 | 107 | 102-112 | 98 | 56/99 | 104 |
Elbow River | 189,000 | 94 | 84-116 | 76 | 42/99 | 84 |
Highwood River | 572,000 | 103 | 86-130 | 70 | 47/99 | 82 |
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