The forecast through June indicates that water deficits will remain widespread in Brazil, while shrinking elsewhere, and will be exceptional in many pockets but especially in Mato Grosso do Sul and São Paulo States. Exceptional deficits are also forecast along the Paraguay and Paraná Rivers.
United States: Water deficits in the West, SW, NW, ND, Deep South
ISciences Worldwide Water Watch List April 2021
Regions forecast to have significant water deficits for the 12-month period of January through December 2021 include: Brazil, Iran, and the U.S. Southwest. Areas with a forecast of significant water surplus include: Northeast China, Botswana, and Java. This Watch List is based on ISciences Water Security Indicator Model v2 (WSIMv2) run on 5 April 2021.





