Missouri River Basin Update - 8/6/2019
System storage is 67.7 MAF; 11.6 MAF of the 16.3 MAF of flood control storage is occupied. About 29% of the flood control storage remains available to store runoff. System storage peaked at 68.5 MAF on July 20. The NOAA observed precipitation for the past 7 days has been a mix of above and below normal in every Basin state, with some areas experiencing over 600 percent of normal precipitation (lower right graphic). The 2019 calendar year runoff forecast above Sioux City, updated on August 1, is 52.9 MAF (209% of average). If realized, this will be the 2nd highest runoff in 121 years of record-keeping, surpassed only by 2011. Gavins Point releases are currently 70,000 cfs. Refer to the 3-Week Forecast for the most up-to-date System information – pool levels, inflows and releases.