Water Supply Outlook for Alberta
April 2003
Table 2b - Water Supply Forecast as of April 1, 2003 - Milk River Basin
(Natural Flows) |
Volume Forecast for April 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 2003 Volume as a % of Median | Ranking (lowest to highest) | |
Milk River at Western Crossing |
31,100* | 63 | 44-108 | 23 | 22/64** | 403*** | 57/64** | |
Milk River at Milk River |
49,800* | 60 | 42-102 | 23 | 25/85 | 239*** | 69/85 | |
Milk River at Eastern Crossing |
57,400* | 62 | 42-107 | 20 | 24/85 | 196*** | 66/85 |
* 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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