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.
Much warmer than normal temperatures are forecast in February for the US West, the Baja Peninsula, the Tibetan Plateau, and far northeastern Russia, including the Kamchatka Peninsula. Nearly all of India will be warmer than normal. Paraguay is expected to be cooler than normal. Eastern Brazil should see above average rainfall, as will central Mexico and western India.
Recent severe water deficits across Mexico are expected to subside somewhat through August, shifting toward the south and bringing moderate deficit conditions to Guatemala, El Salvador, and Honduras. These conditions are forecast to persist into early 2018. Surplus conditions in southern Nicaragua and northern Costa Rica should subside and moderate by the final forecast period. Exceptional surplus conditions in central Cuba and Haiti are forecast to persist but moderate slightly by early 2018.
Though water deficits are forecast for Mexico over the next six months, they are expected to be primarily moderate, a significant improvement over the prior three months. Through July deficits are forecast in northwestern Mexico; scattered down the Pacific coast and central Mexico; in Yucatan, Tabasco, and Chiapas; and southern Guatemala. After July deficits will continue to emerge in Baja California, Mexico’s southern states, and northern Central America. Some modest surpluses are forecast to emerge in the north along the border of Sonora and Chihuahua.
Exceptional water deficits are forecast in Mexico from March through May in Nayarit, Michoacán, and southern Puebla into northern Oaxaca. Deficits are also forecast for the Yucatán Peninsula, the Baja Peninsula, northern Mexico, and Guatemala. Surpluses are forecast for eastern Honduras, Nicaragua, and northern Costa Rica. After May the extent and severity of deficits in Mexico will decrease but moderate deficits are forecast to persist in the south and emerge in Central America.
The March 2017 Outlook indicates drier than normal conditions in southern California and eastern Brazil, and wetter than normal conditions in Venezuela, Guyana, Suriname, Paraguay, and Namibia and neighboring African nations. The forecast for many parts of the world is for much warmer than normal conditions including: Europe, Russia, Yemen, Queensland (Australia), Madagascar, Brazil, Cuba, and southwestern Mexico.
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