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.
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.
In the next few months water deficits in Baja will downgrade somewhat. Moderate deficits are forecast for Chihuahua, Coahuila, Tamaulipas, central Mexico, and along the Gulf from Veracruz into Yucatan. Surpluses in Central America will shrink considerably. Intense surpluses are forecast for Jamaica; deficits are forecast for Haiti and Dominican Republic. After July, intense deficits will emerge in southern Mexico and northern Central America.
Regions likely to have significant water deficits for the 12-month period from February 2017 through January 2018 include: Florida (US), Brazil, northern Chile, French Guiana, Finland, Estonia, Latvia, northern Africa, Gabon, Saudi Arabia, Qatar, Papua New Guinea, and Tasmania (Australia). Water surpluses are forecast for: Idaho (US), La Pampa (Argentina), western European Russia, eastern Romania, southeastern Tanzania, the Volga River Basin, between the Ob and the Tom Rivers (Russia), and Kazakhstan. This Watch List is based on ISciences Water Security Indicator Model (WSIM) Global Water Monitor and Forecast issued 9 May 2017.
Water deficits of modest severity are forecast throughout many parts of Mexico over the next six months with pockets of exceptional deficits in Oaxaca, Yucatán, Guerrero, Michoacán, western Jalisco, and Nayarit. Moderate to severe deficits are forecast to persist in western Cuba and emerge in eastern Cuba and in Jamaica through February. Deficits will persist in Guatemala; surpluses will persist in Honduras, Nicaragua, and Costa Rica but may transition to both surplus and deficit.
Water deficits of varying severity are forecast throughout much of Mexico from November through January, with pockets of exceptional deficit in Oaxaca. Deficits will persist in Guatemala, and surpluses are forecast in eastern Honduras, Nicaragua, and northern Costa Rica. From February through April deficits in across northern Mexico will diminish, but moderate to exceptional deficits will persist in the southern states of Michoacán, Guerrero, Oaxaca, and parts of the Yucatán. Surpluses will persist in parts of Honduras and Nicaragua.
Water deficits are forecast for much of southern Mexico, the Yucatan Peninsula, Tamaulipas, the Baja Peninsula, and Guatemala through March or longer. Small pockets of exceptional deficits are expected in Michoacán and Oaxaca. Deficits on the Baja Peninsula are forecast to diminish by December, but emerge again in April with particular severity in Baja California Sur. Moderate surpluses are forecast to persist in Nicaragua through December and Costa Rica through March.
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