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 February indicates that water deficits will downgrade considerably. However, areas with notably intense conditions include western Ethiopia; pockets of northern Somalia, Nigeria, and southwestern Cameroon; southwestern Angola into Namibia; and, Lesotho and the Orange River region of Northern Cape, South Africa. Surpluses are forecast for Tanzania, southern Congo into western DRC and northern Angola, and south-central Chad.
The June Outlook indicates much warmer than normal temperatures (40+ years return period) blanketing a large block of Northeast China and stretching across the border well into Russia. Much of Europe is forecast to be warmer than normal, as well as many parts of Indonesia, while much cooler temperatures will prevail in parts of Central Africa. Conditions are expected to be much wetter than normal for several African nations along the Atlantic near the equator.
Widespread exceptional water deficits are forecast to emerge across northern Africa from April through June; deficits of lesser severity are forecast across Africa’s mid-section. Deficits in the Horn of Africa, DRC, and Angola are expected to downgrade to primarily moderate severity. Surpluses are expected in southeast Sudan into South Sudan, southeastern Tanzania, western Zambia, the Okavango Delta in northern Botswana, Zimbabwe, northern South Africa, and northern Madagascar. After June deficits across northern Africa are forecast to recede slightly overall, but severe to exceptional deficits are expected to emerge in southern Somalia, and moderate to severe deficits may emerge in northeast Namibia.
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