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.
The January Outlook indicates much wetter than normal conditions forecast for southern China through the Pearl River Basin encompassing the Pearl’s northern tributaries; and, oceans away in Uruguay. Temperatures in Northeast China are expected to be exceptionally warmer than usual, anomalies with a return period of 40 or more years.
A number of significant transitions are forecast for the next three months. Though exceptional water deficits will diminish across northern South America – transitioning to surplus in many northern nations and the northern Amazon Basin – deficits will intensify in eastern Brazil. Surpluses are forecast to emerge throughout Paraguay and into southern Brazil. Surpluses in Uruguay will transition to moderate deficit; Buenos Aires Province, Argentina will transition from surplus to near-normal. After March, water anomalies will moderate considerably across most of the continent.
A significant retreat of exceptional deficits is forecast November through January, though deficits are forecast for much of Brazil’s northern half and along its southeast coast from São Paulo to Rio de Janeiro. Intense surpluses are forecast for central Colombia and Venezuela’s northeastern coast into Trinidad and Tobago. Moderate surpluses are forecast for northern Peru, northern Bolivia, southern Paraguay, and Buenos Aires Province, Argentina. After February, a transition from deficit to moderate surplus is forecast for northern Amazonian Brazil.
Regions forecast to have significant water deficits for the 12-month period from August 2017 through July 2018 include: Amapá, Amazonas, and Maranhão (Brazil); Madhya Pradesh and Haryana (India); Cambodia; Fujian and Inner Mongolia (China); Mongolia; Papua New Guinea; and, South Australia and Tasmania (Australia). Areas with a forecast of significant water surpluses include: Bangladesh; Tripura, Mizoram, and Manipur (India), western Myanmar; the Yangtze River (China); Poland; and European Russia. This Watch List is based on ISciences Water Security Indicator Model (WSIM) issued 8 November 2017.
Regions forecast to have significant water deficits for the 12-month period from April 2017 through March 2018 include: Brazil, Europe, northern Africa, Gabon, Somalia, Saudi Arabia, Cambodia, South Korea, Tasmania, and Mongolia. Water surpluses are forecast for: the US Gulf Coast and Idaho, La Pampa (Argentina), western European Russia, eastern Romania, southeastern Tanzania, the Volga River Basin, between the Upper Ob and the Tom Rivers (Russia), Kazakhstan, Bangladesh, and the southern Yangtze River Basin. This Watch List is based on ISciences Water Security Indicator Model (WSIM) Global Water Monitor and Forecast issued 10 July 2017.
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