Water Supply Outlook for Alberta
May 2002
Table 6a - Water Supply Forecast as of May 1, 2002 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30 | ||||||
Locations | Volume in dam3 | Volume as a % of Average | Probable Range as a % of Average |
Reasonable Minimum as % of Average |
Forecast Ranking (lowest to highest) | Actual March-September 2001 Volume as a % of Average |
Lake Abraham Inflow | 2,036,000 | 96 | 89-106 | 83 | 8/18* | 83 |
Brazeau Reservoir Inflow | 1,241,000 | 86 | 76-109 | 68 | 11/29** | 66 |
North Saskatchewan River at Edmonton | 4,841,000 | 82 | 70-99 | 65 | 20/84 | 67 |
Note: Click on the site Location to see the Water Supply Forecast graphically * Lake Abraham is compared to 18 years of data 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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