In this new series, we examine recent prolonged drought in the Yangtze River Basin, its impact on the affected regions, and the historical accuracy of the Water Security Indicator Model (WSIM) forecasts in East Asia.
Exceptional deficits will spread throughout the Russian Plain, northern coastal Russia, and regions near Lake Baikal. Surpluses are expected in some portions of northern Russia and north-central Kazakhstan.
Severe to exceptional deficits will occur throughout most of eastern Europe. Severe to exceptional surpluses in western Europe are expected to dissipate.
Our July 2022 Outlook indicates that temperatures will be exceptionally hotter than normal across vast extents of Brazil and China. Wetter than normal conditions are expected in Queensland, Australia, particularly in the northwest.
The forecast through August indicates widespread, exceptional water deficits across central Brazil from Mato Grosso into Minas Gerais and from Tocantins into São Paulo State. Surpluses will be widespread in Amazonas, Brazil, and in Colombia.
The forecast through July indicates widespread water deficits across central Brazil, exceptional in Tocantins, Mato Grosso, Goiás, and the Paraná River. Deficits are also expected in central Peru and much of Chile. Surpluses are forecast in the northwestern Amazon Basin.
The forecast through September indicates widespread deficits in Brazil south of the Amazon. Other areas of deficit include northern Colombia through northwestern Venezuela, central Peru, and much of Chile. Deficits will be intense on the Paraguay and Paraná Rivers.
The forecast through January 2021 indicates that water deficits will shrink considerably, but deficits are forecast from western Venezuela into Peru, and in southern Guyana, southeastern Brazil, and southern Chile. Areas of surplus include northeastern Venezuela and northern Pará, Brazil.