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.
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The forecast through May indicates that water deficits in Brazil will shrink and downgrade significantly, though intense deficits are forecast for eastern Minas Gerais, Espíritu Santo, and São Paulo. Surpluses will emerge in northeastern states and will moderate but increase in the south. Exceptional deficits are forecast for Suriname and French Guiana, and deficits of varying intensity for Brazil’s northern neighbors, and Peru, Chile, eastern Bolivia, and Argentina. Surpluses will shrink in northern Bolivia, downgrade in central Paraguay, and moderate in northeastern Argentina and Uruguay.
Regions forecast to have significant water deficits for the 12-month period from December 2018 through November 2019 include: French Guiana, Finland, Latvia, Angola, Namibia, United Arab Emirates, Cambodia, and Australia. Areas with a forecast of significant water surplus include: Kansas, Texas, and Tennessee (US), Syria, Tanzania, and China. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 7 March 2019.
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.
The April 2018 Outlook indicates wetter than normal conditions in India, East Africa, and northwest Brazil. Significantly warmer than normal temperatures are forecast for Far East Russia and Alaska, much of eastern China, particularly the Yangtze River Basin from Shanghai to Chongqing, and eastern Australia from Brisbane to Canberra.