The forecast for May 2024 expects significant water deficits for the 12-month period of February 2024 through January 2025 in South America, Africa, and Canada. Areas expected to experience surplus include central to eastern Africa, northern Australia, Europe, and Southeast Asia.
The forecast anticipates exceptional deficits to continue in northern and northwestern African countries, as well as some central and southern countries. Intense surpluses are expected to emerge in areas throughout the Sahel.
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.
Through January 2020 exceptional surpluses are forecast in the Northern European Plain in Russia, the Ob River region, and the Upper Reaches of the Volga Watershed. Intense deficits will persist north and southeast of Lake Baikal. Surpluses are forecast for northern Kazakhstan, Kyrgyzstan, western Tajikistan, eastern Uzbekistan, and along Turkmenistan’s southern border.
The forecast through March indicates intense water surpluses in the Ob and Yenisei River Basins in Russia. Moderate to severe deficits are forecast for the Ural River Watershed in northwestern Kazakhstan and across the border into Russia, and in the Upper Volga River Basin and parts of Trans Volga. Primarily moderate surpluses are expected along the Ertis (Irtysh), Esil, and Ile Rivers in Kazakhstan, and the Zarafshon River in eastern Uzbekistan. Severe deficits are forecast for eastern Tajikistan and surpluses in the west.
Regions forecast to have significant water deficits for the 12-month period from September 2018 through August 2019 include: Quebec (Canada), Chile, Finland, Albania, northern Africa, India, western Cambodia, and southeastern Australia. Areas with a forecast of significant water surplus include: Texas and Pennsylvania (US), Paraguay, western Tanzania, Tomsk and Kemerovo (Russia), and Heilongjiang (China). This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 7 December 2018.
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