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 deficit in French Guiana
South America: Water deficits to persist in Chile & central Brazil
The forecast through March 2020 indicates that water deficits in the region will shrink considerably. Nearly normal water conditions are forecast for much of the Amazon Basin in Brazil and eastern and southern states, but intense deficits will increase in central Brazil. Deficits will persist in much of Chile. Areas of surplus include Venezuela’s Orinoco Delta, central Colombia, and northern Peru.
South America: Water surpluses will persist in Paraguay & N. Argentina
The forecast through August 2019 indicates that water deficits in Colombia, Venezuela, Guyana, and northwestern Brazil will downgrade considerably. However, severe to exceptional deficits are forecast for Suriname, French Guiana, and many regions of Brazil including Amapá, the southern Amazon Basin, and São Paulo State. Intense deficits will emerge tracing the Andes Mountains through Peru and into Chile. Surpluses will persist in central and eastern Paraguay and in northern Argentina.