The forecast through March indicates that water deficits in the Amazon Basin will shrink, but exceptional deficits will persist in southern Amazonas and the center of the country, and intense deficits will emerge Central-West and Southeast states and along the São Francisco River. Other areas of deficit include Peru and Chile. Surpluses will emerge in northeastern Argentina, Uruguay, and Rio Grande do Sul, Brazil, with exceptional surpluses in eastern Uruguay.
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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.
Through January, water deficits of varying intensity are forecast across northwestern South America and will be extreme to exceptional in Amazonas and Rondônia, Brazil; southern Venezuela; southwestern Colombia; and a pocket surrounding Quito, Ecuador. Other areas of deficit include: from southern Peru past Santiago, Chile; from Cochabamba, Bolivia past the southern border; and central Mato Grosso, Brazil. Areas of surplus include: eastern Paraguay and across the borders into Argentina and Mato Grosso do Sul, Brazil; Rio Grande do Sul, Brazil; and northern Bolivia.
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 near-term forecast through November indicates that exceptional water deficits will diminish considerably in Brazil, but intense deficits are expected across the north and moderate deficits in much of the rest of the country. Deficits are also forecast for Brazil’s northern neighbors, and in Peru, southern Bolivia, and Chile, where conditions may be exceptional. Surpluses will moderate in central Colombia; downgrade slightly in Huánuco, Peru; and shrink somewhat in Entre Ríos and Buenos Aires Provinces in Argentina.
Exceptional deficits will diminish in South America over the next several months but large pockets of intense deficit are forecast for Brazil in Acre, Rondônia, Pará, Tocantins, Goiás, western Minas Gerais, Mato Grosso, northern Mato Grosso do Sul, and São Paolo. Deficits are also expected to be intense in: northern and southeastern Venezuela; western Ecuador; western Peru; most of Chile, especially the Atacama Desert and Bío Bío; and, Río Chubut in Patagonian Argentina. Surpluses will downgrade in central and eastern Colombia, but will be severe.
Exceptional water deficits will diminish over the next few months but large pockets are forecast for Brazil in Acre, Rondônia, Pará, Tocantins, Goiás, western Minas Gerais, northern Mato Grosso do Sul, and São Paolo. Deficits elsewhere include: Venezuela surrounding Caracas; western Ecuador; a path from east of Lima, Peru through the Atacama Desert in Chile; and, along the Río Paraguay. Surpluses are forecast for Peru’s Huánuco Region; central and eastern Colombia into Apure, Venezuela; southeastern Peru into central Bolivia; and, the eastern Argentine Pampas.
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.
Water deficits will diminish somewhat in South America over the next several months, but large pockets of exceptional deficit are forecast for Brazil in Acre, Rondônia, Pará, Maranhão, Tocantin, Goiás, western Minas Gerais, northern Mato Grosso do Sul, and São Paolo. Intense deficits are also forecast for: southeastern Venezuela; southernmost Ecuador; along a path from Lima, Peru through northern Chile; southern Bolivia; and Tierra del Fuego. Deficits in the Argentine Pampas will downgrade but remain severe.
The extent of exceptional deficit will diminish considerably over the next few months. However, pockets are forecast in Amapá, Amazonas, Acre, Maranhão, Goiás, Minas Gerais, Mato Grosso do Sul, and São Paolo, Brazil; and, southeastern Venezuela, eastern Suriname, and French Guiana. Exceptional deficits in northeastern Argentina will downgrade to severe. Surpluses are forecast for northern Bolivia and eastern Paraguay. After June, moderate to severe deficits will continue to emerge across the northern bulk of the continent. Aforementioned deficits in Argentina will moderate.