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.
Through January 2020 exceptional surpluses are forecast in the Northern European Plain in Russia, the Ob River region, and the Upper Reaches of the Volga Watershed. Intense deficits will persist north and southeast of Lake Baikal. Surpluses are forecast for northern Kazakhstan, Kyrgyzstan, western Tajikistan, eastern Uzbekistan, and along Turkmenistan’s southern border.
The forecast through March indicates exceptional surpluses in European Russia, along the Middle Ob River, the Tom River Basin, and Aktobe Region, Kazakhstan. Surpluses are also forecast for much of the Yenisei River. Exceptional deficits are expected in the Yamal Peninsula. Intense deficits are forecast for Turkmenistan and Uzbekistan. After March, surpluses in Russia are forecast to diminish. Deficits will downgrade in Yamal, persist in Turkmenistan, and spread in Uzbekistan and Kazakhstan. Moderate deficits will emerge in the Caucasus, western Kyrgyzstan and western Tajikistan.
Water surpluses of varying intensity are forecast in Russia stretching from western European Russia to the Western Siberian Plain through April 2018 and are expected to be exceptional in large pockets of the Volga Basin and between the Upper Ob and Tom Rivers surrounding Novosibirsk from August 2017 through January 2018. In the near-term, August through October, deficit conditions in Turkmenistan and Uzbekistan are expected to ameliorate, leaving modest deficits. Exceptional surpluses will continue to emerge in northern Kyrgyzstan, including Bishkek.
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