Missouri RIver Basin Update - June 2, 2021
System storage is 55.2 MAF, 0.2 MAF more than last week. Upper Basin runoff in May was about 60% of average Mountain snowpack has peaked in both reaches and is starting to melt (lower right quadrant). Runoff is expected to increase slightly during June. The latest drought outlook (upper right quadrant) indicates that drought conditions are expected to persist in the upper Basin in June. As per the Master Manual, Gavins Point releases are being made to meet full-service navigation flow targets. The runoff forecast of 17.9 MAF is 69% of average. The monthly studies indicate that drought conservation measures of reduced navigation flow support will be enacted on July 1.

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Photo by: Missouri River Water Management Division |  VIRIN: 210602-A-A1408-001.PNG