The forecast through July indicates that the extent of exceptional water deficits on the continent will shrink somewhat but deficits will dominate much of the northern bulk. Exceptional deficits are forecast for French Guiana, Suriname, and southern Venezuela, central Brazil, the southern Amazon Basin, many Brazilian rivers, and along the Pacific Coast from Lima through the Atacama Desert. Surpluses are expected to increase in Paraguay and will be exceptional in central Paraguay.
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The forecast through June indicates that water deficits in Brazil will shrink, with nearly normal conditions in Pará and Amazonas, but intense deficits are forecast for Mato Grosso, Tocantins, Goiás, Mato Grosso do Sul, Minas Gerais, western São Paulo, and along many rivers. Surpluses will increase in northeastern states. Exceptional deficits will trace a path along the Pacific Coast from Lima, Peru reaching almost to Santiago, Chile. Surpluses will increase and intensify in Paraguay.
Regions forecast to have significant water deficits for the 12-month period from January 2019 through December 2019 include: French Guiana, Brazil, Finland, Latvia, Egypt, Somalia, Angola, and United Arab Emirates. Areas with a forecast of significant water surplus include: northern Iraq, western Iran, Afghanistan, Tanzania, and southeastern China. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 10 April 2019.
Exceptional water deficits will diminish considerably over the next several months but through February intense deficits are forecast in: southern Amazonas, Brazil; southeastern Venezuela; northern Chile; and southwestern Bolivia. Deficits of varying intensity are forecast in the northwest quadrant of the continent. Areas of surplus include: Amapá, Brazil, and southern Mato Grosso through western Minas Gerais; northern Bolivia; Paraguay; and the Paraná River in Argentina to Buenos Aires.
The extent of exceptional water deficit in the region will diminish considerably through December, though deficits will cover most of Brazil and will be intense across the north, in Mato Grosso, São Paulo, and Paraná. Intense deficits are also forecast in Bolivia from east of La Paz through Cochabamba to the south, and from southern Peru through the Atacama Desert in northern Chile past Santiago. Surpluses will persist in Uruguay, and in Entre Rios and Buenos Aires Provinces in Argentina, and will emerge in Rio Grande do Sul, Brazil.
The September Outlook indicates that intense heat anomalies which have dominated Central Europe for the past month are expected to moderate overall. Exceptionally warmer than normal temperatures will prevail in Madagascar. Much drier than normal conditions are forecast in India along its southern Arabian Sea coast and also in Ethiopia's central Highlands.
Exceptional water deficits will diminish over the next few months, but large pockets are forecast for Brazil in Acre, Rondônia, Pará, Tocantins, Goiás, Minas Gerais, Mato Grosso do Sul, and São Paolo. Intense deficits elsewhere include: Venezuela east of Lake Maracaibo and near the border with Guyana; southern Bolivia; and along a path beginning south of Lima, Peru, through northern Chile. Deficits in Argentina will moderate and surpluses will emerge in northern Buenos Aires Province.
Regions forecast to have significant water deficits for the 12-month period from March 2018 through February 2019 include: southern Mexico, northern Brazil, North Africa, Europe, Afghanistan, and Southeast China. Areas with a forecast of significant water surplus include: Montana and Idaho (US), Tanzania, Kenya, Uganda, Spain, and Bangladesh. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 7 June 2018.
Regions forecast to have significant water deficits for the 12-month period from February 2018 through January 2019 include: Brazil, southern Venezuela, Libya, Egypt, Gabon, Finland, Saudi Arabia, and Afghanistan. Areas with a forecast of significant water surplus include: Idaho and western Montana (US), southeastern British Columbia (Canada), Tanzania, Kenya, Spain, Hungary, southern Romania, and eastern Ukraine. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 9 May 2018.
Exceptional water deficits are forecast to diminish considerably over the next three months except in the western Amazon Basin in Brazil and Acre, Rondônia, Mato Grosso, and Tocantins. Deficits are also expected across Brazil’s Northeast region. Elsewhere on the continent, intense deficits are expected in western Bolivia and the Gulf of Corcovado, Chile. Areas of surpluses include central Colombia; Mato Grosso do Sul, Brazil; and La Pampa Province, Argentina. After February widespread surpluses will emerge in the northern Amazon Basin and Venezuela, Guyana, and Suriname.