The ISciences Global Water Monitor and Forecast Watch List provides monthly reports of data collected by our Water Security Indicator Model (WSIM), which monitors and forecasts water anomalies on a global basis.
The forecast for April 2024 expects significant water deficits for the 12-month period of January 2024 through December 2024 in South America, northeastern Africa, and the Middle East. Areas expected to experience surplus include eastern to eastern Africa, northern Australia, Europe, and Southeast Asia.
The forecast indicates that exceptional deficits will persist in northwestern regions of China, but lessen in size in northern and northeastern China. Surpluses occurring in Tibet are also expected to remain but diminish in size.
The forecast indicates that deficits will persist throughout Mainland Southeast Asia, but decrease in intensity, becoming mostly moderate to severe anomalies. Intense surplus is expected to expand throughout Maritime Southeast Asia, particularly in central Indonesia, Papua, and Papua New Guinea.
Through September, water surpluses along the Mississippi River, its tributaries, and states on the western bank of the river will moderate, but significant surpluses are forecast in a column from South Dakota through central and eastern Texas and will include extreme to exceptional anomalies in many areas, particularly South Dakota. Areas of deficit include the Pacific Northwest, northwestern Minnesota, the western Upper Peninsula of Michigan, and along the Atlantic coast in North Carolina.
Regions forecast to have significant water deficits for the 12-month period from April 2019 through March 2020 include: Suriname, French Guiana, Finland, Estonia, Latvia, Egypt, Cameroon, and New Caledonia. Areas with a forecast of significant water surplus include: the central United States, Paraguay, Syria, northern Iraq, southern Turkmenistan, Afghanistan, Tanzania, and southeastern China. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 9 July 2019
The forecast through August 2019 indicates persistent water surpluses in a wide path through the center of the country in the Mississippi River Basin and well into the Missouri, Arkansas, and Red River Basins, including exceptional anomalies in South Dakota. Surpluses of varying intensity are expected in the Rockies, central Arizona, California, Oregon, and in the Northeast. Deficits are forecast for pockets of Washington, North Dakota, Wisconsin, and southeastern states.
Regions forecast to have significant water deficits for the 12-month period from March 2019 through February 2020 include: Suriname, French Guiana, Finland, Estonia, Latvia, Egypt, Somalia, Angola, and Namibia. Areas with a forecast of significant water surplus include: United States, Paraguay, Syria, northern Iraq, western Iran, Afghanistan, Tanzania, and southeastern China. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 10 June 2019
The forecast through July indicates widespread water surpluses of varying intensity a vast area on either side of the Mississippi River. Exceptional anomalies are forecast around Sioux Falls, and along the Mississippi River on either side of Memphis and from Louisiana to the Gulf. Surpluses will increase in the Rockies and shrink slightly and moderate in California. In the Pacific Northwest, deficits will shrink in Washington; Oregon will transition from deficit to moderate surplus.
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