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 July indicates that water deficits in Thailand and Cambodia will downgrade from exceptional but remain widespread and severe in Thailand and moderate in Cambodia. Prior surpluses in Southeast Asia and Indonesia will nearly disappear as deficits emerge. Severe to extreme deficits are forecast for peninsular Thailand, Malaysia, Borneo, pockets of Sumatra, southern Philippines, and Papua New Guinea.
The forecast through June indicates that water deficits in Thailand and Cambodia will downgrade but will be widespread and severe, and deficits will emerge in much of Southeast Asia. Moderate to severe deficits are expected in the Philippines, northeastern Borneo, and scattered pockets of Indonesia. Exceptional deficits will persist around the Gulf of Papua in Papua New Guinea. Surpluses will downgrade slightly in north-central New Guinea around Jayapura.
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