Diversion and flood forecast update

As of yesterday morning, flow on the Portage Diversion into Lake Manitoba is 18,670 cubic feet per second (cfs).

Lake Manitoba is now above its operating range and currently rising at .065 feet per day. At current rate of rise, Lake Manitoba will be at flood level in 18 days.

The Assiniboine River forecast has been revised and now shows the Assiniboine and Souris rivers peaking simultaneously at the Portage Reservoir. The revised forecast, based on a weather forecast indicating no future precipitation, indicates an inflow upstream of the Portage Reservoir of approximately 41,000 to 44,000 cfs (1,161 to 1,246 cms) between the dates of April 12 to 14. 

At this rate, the diversion will likely be pushed to a rate of 26,000 to 30,000 cfs. 

About scott greenlay

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