Southeast Asia & Pacific
ISciences staff
Southeast Asia and the Pacific: Surpluses to ...

Exceptional surpluses will persist in northern regions of Mainland Southeast Asia. Most areas of Maritime Southeast Asia will observe near-normal conditions. 

Southeast Asia and the Pacific: Surpluses to persist in N Mainland SE Asia
Europe
ISciences staff
Europe: Deficits continue across S and E Europe

Severe to exceptional surpluses will mostly resolve in Western Europe, but emerge in northern countries. Severe to exceptional deficits will persist in Southern and Eastern Europe. 

Europe: Deficits continue across S and E Europe
Australia & New Zealand
ISciences staff
Australia & New Zealand: Surplus to persist ...

Widespread extreme to exceptional surpluses will dissipate in northern regions of Australia, as will exceptional deficits in several regions of the continent. Severe to extreme surpluses will persist in isolated regions of Western Australia and Northern Territory. 

Australia & New Zealand: Surplus to persist in Western Australia, Northern Territory
Canada
ISciences staff
Canada: Deficits remain in Canadian Shield, ...

Exceptional deficits will remain widespread in several areas of the Canadian Shield and Atlantic regions. Exceptional surplus is anticipated in much of the Arctic Region. 

Canada: Deficits remain in Canadian Shield, Atlantic regions
United States
ISciences staff
United States: Deficits to occur in SW, N, NE ...

Widespread deficits of varying intensity will occur in the southwest, northern, and northeastern states. Severe to extreme surpluses will remain in Florida, as well as in most noncontiguous states.  

United States: Deficits to occur in SW, N, NE states

South America

South America: Exceptional water deficits in Brazil forecast to retreat to the north after September

South America: Exceptional water deficits in Brazil forecast to retreat to the north after September

Recently observed conditions across the whole of South America are expected to persist through September with a slight decrease in the extent of exceptional water deficits in much of Brazil north of Rio de Janeiro. Surpluses in eastern Paraguay and southern Brazil should transition to near-normal conditions during this period, but exceptional surpluses are expected to persist in La Pampa and Buenos Aires Provinces in Argentina. After September conditions are forecast to improve across the continent though exceptional water deficits will persist in Amapá and northern Pará, Brazil and in nearby northern regions.

South America: Widespread exceptional water deficits for much of Brazil

South America: Widespread exceptional water deficits for much of Brazil

Recently observed water conditions across the whole of South America are expected to persist through the near-term forecast period with widespread exceptional water deficits spanning the whole of northern Brazil and the Amazon basin. Exceptional surpluses in central Argentina and southern Paraguay persist in the near-term before moderating in the later forecast periods. In the September through November period, severe to exceptional deficits are expected to persist in northern Chile and across the northern states of Brazil including Roraima, Pará, and Amapá.

South America: Large pockets of exceptional water deficits in Brazil

South America: Large pockets of exceptional water deficits in Brazil

The forecast through July shows water conditions similar to the prior three months: large, widespread pockets of exceptional deficits in Brazil, and deficits along many Brazilian rivers. Deficits in southern Venezuela are forecast to increase in severity while those in the north recede. Severe to exceptional deficits are expected to persist in northern Chile. Surpluses are forecast to emerge in Bolivia east of Lake Titicaca; surpluses in eastern Paraguay will increase; and surpluses will persist in Buenos Aires, La Pampa, and Neuquén Provinces in Argentina. 

South America: Water surpluses forecast for Buenos Aires Province; deficits central Brazil

South America: Water surpluses forecast for Buenos Aires Province; deficits central Brazil

Though the extent of water deficits in South America is expected to shrink somewhat April through June, deficits remain in the forecast for many areas including central and eastern states of Brazil, Bolivia’s northern border, coastal Peru from Lima south, northern Chile, and southernmost Patagonia. Surpluses are forecast in western Buenos Aires Province, Argentina into La Pampa Province, and Neuquén Province. From July through September deficits are forecast for much of the northern half of South America as deficits persist in Brazil and emerge from Colombia through French Guiana.

South America: Water deficits in eastern Brazil, surpluses in northern Peru

South America: Water deficits in eastern Brazil, surpluses in northern Peru

Though the extent of water deficits in South America is expected to shrink March through May, deficits are forecast in central and eastern states of Brazil, western French Guiana into eastern Suriname, Bolivia, Chile, and coastal Peru. Surpluses are forecast in Paraguay, in a line down western Argentina, in central Buenos Aires Province (Argentina), in Rio Grande do Sul and Paraná (Brazil), northern Peru, northern Guyana, Suriname, and parts of Ecuador. From June through August deficits are forecast to persist across Brazil’s mid-section and emerge in Piauí and across northern Brazil. Deficits are also forecast for Bolivia, Colombia, Venezuela, Guyana, Suriname, French Guiana, coastal Peru, and northern Chile. Surpluses will persist in aforementioned areas of Paraguay and Argentina.

Many analyses reported in ISciences-authored blog posts are based on data generated by the ISciences Water Security Indicator Model (WSIM). Other sources, if used, are referenced in footnotes accompanying individual posts. WSIM is a validated capability that produces monthly reports on current and forecast global freshwater surpluses and deficits with lead times of 1-9 months at 0.25°x0.25° resolution. This capability has been in continuous operation since April 2011 and has proven to provide reliable forecasts of emerging water security concerns in that time-frame. WSIM has the ability to assess the impacts of water anomalies on people, agriculture, and electricity generation. Detailed data, customized visualizations, and reports are available for purchase.

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