The forecast through February 2026 expects deficits in Central and Eastern Europe, Central Asia, and the Levant. Surpluses are expected in the western Amazon, the Sahel and southern Africa, and northeastern Australia.
Severe to exceptional surpluses will remain throughout Queensland. Exceptional deficits will occur in portions of Victoria, Western Australia, Tasmania, and New Zealand.
Exceptional deficits will occur in northwestern and southeastern China, widespread throughout the Yangtze River Basin. Isolated pockets of surplus will affect portions of central and northeastern China.
Exceptional surpluses throughout Maritime Southeast Asia will mostly diminish, though pockets of severe to exceptional deficits will persist in portions of the Philippines, Indonesia, Papua, West Papua, and New Guinea.
Regions forecast to have significant water deficits for the 12-month period of June 2020 through May 2021 include: Venezuela, French Guiana, Estonia, Latvia, Quebec (Canada), and the U.S. Southwest. Areas with a forecast of significant water surplus include: China, Bangladesh, Pakistan, the Sahel (Africa), and British Columbia (Canada). This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 4 September 2020.
The September Outlook indicates warmer than normal temperatures across much of the vast expanse of Russia. Exceptionally hotter conditions are forecast from Southeast Asia into China and from the Levant north into Ukraine and southern Russia. Uganda will be much wetter than normal and Chile will be much drier than normal south of Santiago.
The forecast through October indicates that water surpluses from the Lower Mississippi region east to the Virginia coasts will shrink considerably, leaving anomalies primarily in Mississippi. Surpluses elsewhere include South Dakota, Nebraska, and western Montana. Deficits will downgrade in the Southwest and Northeast and persist in Florida.
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