Water Supply Outlook for Alberta
July 2003
Table 2b - Water Supply Forecast as of July 1, 2003 - Milk River Basin
(Natural Flows) |
Volume Forecast for July 1 to September 30 | Year to date | |||||||
Locations |
Volume in dam3 |
Volume as a % of Median |
Probable Range as a % of Median |
Reasonable Minimum as % of Median |
Forecast Ranking (lowest to highest) | Recorded March-June 2003 Volume as a % of Median | Ranking (lowest to highest) | |
Milk River at Western Crossing |
3,240* | 62 | 35-184 | 22 | 25/65** | 84*** | 24/65** | |
Milk River at Milk River |
8,670* | 76 | 45-132 | 31 | 27/85 | 72*** | 25/85 | |
Milk River at Eastern Crossing |
9,230* | 71 | 42-126 | 21 | 27/85 | 70*** | 27/85 |
* NOTE: The forecast shown is the March to September 2003 forecast minus the recorded volume to date Click on the site Location to see the Water Supply Forecast graphically ** Western Crossing data is from 1931-95 *** Recorded 2003 natural volumes are preliminary and subject to change Median is calculated for 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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