The forecast through August indicates deficits in the Northeast, which could be exceptional in southern Maine. Moderate to severe surpluses are forecast scattered from Virginia through Alabama, and covering nearly all of Florida. Primarily moderate deficits are forecast for the Mississippi River Basin. Intense deficits are forecast for western Colorado, northern Utah, western Oregon, western Washington, and southernmost Texas. Primarily moderate deficits are expected in California. Surpluses will diminish in Idaho and downgrade slightly from exceptional in Montana.
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The near-term forecast through September shows a distribution pattern of water anomalies similar to the prior three months with some decrease in intensity. However, surpluses are forecast to increase in the central Gulf Coast. Beyond September water anomalies will continue to become less severe, though pockets of exceptional surplus will persist in Idaho and its neighbors. The forecast through March 2018 indicates the emergence of primarily moderate surpluses in many parts of the country.
Regions likely to have significant water deficits for the 12-month period from September 2016 through August 2017 include: the US South; Chile; Scandinavia; northern Africa, southern Somalia, and South Africa; the Middle East; southern India; Cambodia; and northern Russia. Water surpluses are forecast for: southern Minnesota, Nicaragua, Kazakhstan, Bangladesh, western Myanmar, Laos, Vietnam, and Jiangsu and Shanghai, China This watch list is based on ISciences Water Security Indicator Model (WSIM) Global Water Monitor and Forecast issued 6 December 2016.