Water Supply Outlook for Alberta
May 2002
Table 2b Water Supply Forecast as of May 1, 2002 - Milk River Basin
(Natural Flows) |
Volume Forecast for May 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-April 2002 Volume as a % of Median | Ranking (lowest to highest) | |
Milk River at Western Crossing |
17,600* | 53 | 28-89 | 17 | 20/63** | 62*** | 21/63** | |
Milk River at Milk River |
29,400* | 57 | 32-86 | 22 | 22/84 | 42*** | 14/84 | |
Milk River at Eastern Crossing |
31,200* | 53 | 24-89 | 14 | 24/84 | 29*** | 6/84 |
* NOTE: The forecast shown is the March to September 2002 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 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. |
For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca