The forecast indicates that intense surplus will occur in most northern and central regions of Australia, with exceptional deficits diminishing in portions of the country near its western coast. Exceptional deficits are expected to emerge in Tasmania, as well as in pockets across New Zealand.
The forecast indicates that exceptional deficits will mostly dissipate in northeastern China, but continue in northern, southern, and northwestern portions of the country. Exceptional surplus is expected to diminish in southwestern China, though moderate to severe surpluses may continue in eastern regions of the country.
The forecast indicates that exceptional deficits in Mainland Southeast Asia will persist but lessen in size, while intense surpluses will expand throughout Maritime Southeast Asia.
The forecast anticipates a widespread emergence of surplus in India, with the most intense concentrations appearing in central, southern, and eastern regions of the country. Exceptional deficits are expected in regions of Afghanistan and Pakistan.
The forecast expects exceptional deficits in western and eastern Russia to mostly diminish, but still linger in isolated areas. Similar deficits are expected to continue northwest of Lake Baikal. Intense surplus is anticipated in regions of northern Kazakhstan and northeastern Russia, as are exceptional deficits in Turkmenistan and Uzbekistan.
Regions forecast to have significant water deficits for the 12-month period of May 2021 through April 2022 include: the U.S. West and Northern Plains, Canada, Chile, North Africa, Central Asia, and Hokkaido, Japan. Areas with a forecast of significant water surplus include: Northeast China, the Krishna River Basin in India, and the Yenisei River Basin in Russia. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 4 August 2021.
The forecast through August 2019 indicates persistent water surpluses in a wide path through the center of the country in the Mississippi River Basin and well into the Missouri, Arkansas, and Red River Basins, including exceptional anomalies in South Dakota. Surpluses of varying intensity are expected in the Rockies, central Arizona, California, Oregon, and in the Northeast. Deficits are forecast for pockets of Washington, North Dakota, Wisconsin, and southeastern states.
Though exceptional water surpluses will diminish through March, widespread and intense conditions will persist from Wisconsin through southern Minnesota, Iowa, eastern Nebraska, eastern Kansas, central Oklahoma, and central and eastern Texas. Surpluses along the Eastern Seaboard will also persist but moderate, while conditions in the Ohio River Valley normalize. In the western US, mild deficits are forecast punctuated by pockets of more intense anomalies, deficits as well as surpluses.
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