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June 12, 2023Omaha, Neb. | By: Jeremy Werner
OMAHA, Neb. - Warm temperatures in the upper Missouri River Basin have caused the mountain snowpack to melt rapidly.
This, combined with precipitation in the western half of the Basin, resulted in above-average inflow into the reservoir system. In May, the runoff for the Basin, reached nearly five million acre-feet, which is 144% of the average.
John Reemus of the U.S. Army Corps of Engineers stated that additional rainfall is needed to maintain the above-average runoff trend, as much of the mountain snowpack has already melted.
The annual runoff forecast for the area is 26-point-eight million acre-feet, which is 104 percent of the average. While some parts of the Basin received above-normal rainfall, overall precipitation in May was below normal.
Gavins Point Dam releases will continue to support navigation flow until July 1 for target locations.