Overall, conditions in many parts of the US are forecast to be drier than normal. Moderate to exceptional water deficits are expected in the East through the Appalachians, the Midwest through the Ohio and Mississippi Valleys, across the Northern Plains and parts of the Central Plains, and in the Southwest. In the summer and early fall exceptional deficits are forecast on the Missouri and Yellowstone Rivers. Surpluses are forecast in Idaho and northeastern Nevada, the shared border of Minnesota and Iowa, the Canadian and Rio Grande Rivers, and southern Florida.
ISciences Worldwide Water Watch List April 2016
Regions likely to encounter significant water deficits in the coming months include: the Mississippi and Ohio River Valleys; southern Mexico; Guatemala and El Salvador; northern Brazil; Finland; Niger; southern Somalia; Zambia; Southeast Asia; and, Mongolia. Significant water surpluses are forecast for: central Argentina; Ireland and the UK; Tanzania; western Ethiopia; central Kazakhstan; northern India, Pakistan, and Afghanistan; western Borneo; West Java; and Southeast China. This watch list is based on ISciences' Water Security Indicator Model (WSIM) Global Water Monitor and Forecast issued 7 April 2016.
United States: Water deficits to emerge this Spring in Ohio, lower Mississippi Valleys, then upper Mississippi & Northwest
Overall, widespread moderate to exceptional water deficits are forecast for Montana, Wyoming, North Dakota, Minnesota, Michigan, and much of the Mississippi and Ohio Valleys. Surpluses are forecast for the Southern Plains and southern Florida. In April and May deficits are forecast for much of the country east of the Mississippi, and will emerge thereafter across the North, in the Central Plains, Northern Great Plains, and in the West, tracing paths along many major rivers. Though decreasing in severity, widespread deficits will persist through November.
ISciences Worldwide Water Watch List March 2016
Regions likely to encounter significant water deficits in the coming months include: the Mississippi and Ohio River Valleys, US; southern Mexico; northern Brazil; Mediterranean Europe; Finland and Estonia; coastal West Africa; western Turkey; Yemen; and Southeast Asia. Significant water surpluses are forecast for: the Southern Plains and southern Florida, US; northwestern Mexico; central Argentina; Ireland; Kenya; central Kazakhstan; Java; and southeast China. This watch list is based on ISciences' Water Security Indicator Model (WSIM) Global Water Monitor and Forecast issued 9 March 2016.
United States: Water deficits persist in the Northwest, moderate surpluses forecast for California
Water deficits are forecast in the US Northwest and eastward through the Great Lakes region for the 12-month period ending June 2016. California may transition to moderate surpluses. Surpluses are also forecast in the Central and Southern Plains and in Virginia. Moderate to exceptional deficits are expected in southern Arkansas, Louisiana, and Mississippi, with both deficits and surpluses emerging in central Louisiana.