Exceptional deficits throughout Africa will persist in northwestern, northern, and central countries. Surpluses will remain along the Sahel.
Exceptional deficits will remain throughout the Amazon and the Boliviarian Nations. Similar deficits will occur in northeastern coastal regions of Brazil, in Argentina, and in Chile.
The forecast for November 2024 expects significant water deficits for the 12-month period of August 2024 through July 2025 in northern South America, Canada, northwestern and eastern China, and northern to central Africa. Areas expected to experience surplus include central Africa, South Asia, and Central America.
With the release of WSIM v3 and 8 years of additional data, we reevaluate drought risk in the Amazon and the historic drought that continue to affect the region.
The forecast indicates that extreme to exceptional surpluses in northern Australia will diminish, though will still remain present in some regions of Northern Territory. Exceptional deficits across the continent will similarly dissipate, though severe deficits are expected along the southern coast of Victoria.
The forecast through September indicates widespread water deficits throughout much of Europe, with exceptional anomalies in Finland, the Baltics, Belarus, southern Germany, Belgium, Austria, and Extremadura, Spain. Many rivers will be affected as well, with exceptional deficits on the Danube and Drava, and severe deficits on the Rhine, Allier, Dordogne, and Loire Rivers.
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 July indicates widespread water deficits throughout much of Europe, including exceptional deficits in Finland, Estonia, Latvia, Lithuania, and Belarus. Moderate to extreme deficits are forecast for remaining areas of Europe and will be especially intense in southern Germany and along many rivers including the Danube, Drava, Allier, and Dordogne. Moderate surpluses are forecast for Ireland, and intense surpluses for southeastern Spain.
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