Water Supply Outlook for Alberta
May 2003
Table 6a - Water Supply Forecast as of May 1, 2003 - North Saskatchewan River Basin
(Natural Flows) |
Volume Forecast for March 1 to September 30, 2003 | ||||||
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 2002 Volume as a % of Average |
Lake Abraham Inflow | 1,991,000 | 94 | 89-103 | 86 | 7/19* | 103 |
Brazeau Reservoir Inflow | 1,275,000 | 89 | 72-103 | 62 | 11/30** | 71 |
North Saskatchewan River at Edmonton | 5,299,000 | 90 | 72-106 | 66 | 35/85 | 72 |
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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