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 that surpluses will shrink in Russia’s Northern European Plain and persist in the Ob River Basin. Intense deficits are forecast for much of the Yenisei River Basin. Intense surpluses in southern Turkmenistan will begin to transition, with conditions of both surplus and deficit as deficits emerge. Deficits will also emerge in northeastern Uzbekistan.
The forecast through August 2019 indicates widespread surpluses in the Ob River Basin, deficits in much of the Yenisei River Basin, surpluses in the Lower Volga, and deficits in the Middle and Upper Volga regions. Intense surpluses will persist in southern Turkmenistan but both deficits and surpluses are also forecast as transitions occur. Surpluses are also forecast for eastern Uzbekistan, western Tajikistan, Kyrgyzstan, and northern Kazakhstan.
The forecast through July indicates that exceptional water surpluses will persist in southern Turkmenistan. Deficits will emerge in northern Turkmenistan, Uzbekistan, and around Aktobe in northwestern Kazakhstan. Surpluses in Russia’s Ob River Basin will shrink and moderate overall, and deficits will emerge in the Yenisei River Basin. In the Volga region, surpluses will persist in the Lower Volga northeast of Volgograd, and deficits are forecast in the Middle Volga region.
The forecast through June indicates that water surpluses in the Ob River Basin of Russia will shrink and moderate, and intense deficits will emerge in the Tom River Basin’s southern reaches. Intense deficits will also emerge in the Yenisei River Basin. Severe deficits are forecast for western Kazakhstan, and eastern Uzbekistan’s Fergana Valley. Surpluses are expected in eastern Kyrgyzstan and southern Turkmenistan.
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