The forecast through October indicates widespread water surpluses in Colombia and the northwestern Amazon Basin in Brazil. Deficits are forecast in many areas of Brazil, but the extent of intense deficit will be limited. Other areas of deficit include Chile and the eastern Pampas.
ISciences Worldwide Water Watch List August 2022
Regions forecast to have significant water deficits for the 12-month period May 2022 through April 2023 include: Europe, northwest Africa, Chile, Mexico, and California & Texas (US). Areas of significant water surplus include: China, India, Pakistan, Russia, Colombia, and North Dakota (US). This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) 5 August 2022.
South America: Intense water deficits forecast in central Brazil
South America: Water deficits to persist in central Brazil
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.
South America: Intense water deficits to persist in Amazonas & Chile
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.