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 March 2020 indicates widespread exceptional water surpluses in Russia from the Northern European Plain into the Western Siberian Plain. Exceptional deficits will persist on the Gulf of Ob and increase in the Nizhnyaya Tunguska River and the Upper Lena River regions. Surpluses are forecast for Kyrgyzstan, Tajikistan, and Kostanay in northern Kazakhstan.
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 January Outlook indicates much wetter than normal conditions forecast for southern China through the Pearl River Basin encompassing the Pearl’s northern tributaries; and, oceans away in Uruguay. Temperatures in Northeast China are expected to be exceptionally warmer than usual, anomalies with a return period of 40 or more years.
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