Exceptional deficits will remain in areas near Lake Baikal and in much of western Russia. Northern and southeastern Kazakhstan will observe continuing surpluses of varying intensity, as will some Russian areas near the Lena River.
Exceptional deficits will mostly resolve in northern, southern, and central countries, but will persist in the Horn of Africa. Surpluses along the Sahel are expected to remain.
Severe to exceptional surplus will affect several regions of southern Mexico and Central America. Severe to exceptional deficits will continue in northwestern and central areas of Mexico.
Widespread severe to exceptional surpluses in western and central Europe will mostly resolve, becoming near-normal conditions. Eastern European countries are expected to observe widespread deficits of varying intensity.
The forecast through August indicates that water surpluses will shrink in India, leaving a broad path from Gujarat into the Gangetic Plain. Surpluses will moderate in Bangladesh, but remain widespread and intense in Pakistan and Afghanistan. Conditions in Tamil Nadu will normalize from prior deficit.
Regions forecast to have significant water deficits for the 12-month period from April 2019 through March 2020 include: Suriname, French Guiana, Finland, Estonia, Latvia, Egypt, Cameroon, and New Caledonia. Areas with a forecast of significant water surplus include: the central United States, Paraguay, Syria, northern Iraq, southern Turkmenistan, Afghanistan, Tanzania, and southeastern China. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 9 July 2019
The forecast through August 2019 indicates persistent, widespread water surpluses in Afghanistan with exceptional surpluses around Mazar-e Sharif and from Kandahar to Kabul. Exceptional deficits will emerge in southwestern Pakistan. In India, mild deficits or normal water conditions are forecast for most of the country, with moderate deficits in Kerala, northern Tamil Nadu, southeastern Madhya Pradesh, and Uttaranchal. Moderate surpluses will emerge in central Gujarat.
The forecast through July indicates exceptional water deficits in coastal Maharashtra, and severe to extreme deficits in a vast stretch across central India including much of Madya Pradesh, Maharashtra, Chhattisgarh, and southern Odisha. In the south, deficits will downgrade in Tamil Nadu but intensify in Karnataka. Surpluses will remain intense and widespread across central Afghanistan. Exceptional deficits will emerge in southern Pakistan.
The May Outlook includes a forecast of exceptional warm anomalies in a number of places including northern Alaska; the State of São Paulo, Brazil and through the Andes from Colombia through northern Chile; and, around the Gulf of Guinea in Africa. Central Tanzania is expected to be much wetter than normal. Widespread, moderate to severe wet anomalies are forecast in a broad path in the U.S. from Michigan through Louisiana.
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