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: Water deficits to persist in central, eastern Brazil & in Chile

South America: Water deficits to persist in central, eastern Brazil & in Chile

Though the extent of water deficits in South America is expected to shrink overall February through April, severe to exceptional deficits are forecast in eastern Brazil as well as pockets in some western states. Deficits in Bolivia are forecast to shrink in extent but large pockets will persist, and the extent of deficits in Chile will shrink slightly. Surpluses will continue to emerge in central and northeastern Argentina; Rio Grande do Sul, Brazil; northern Peru; and eastern Colombia. From May through June deficits will persist in eastern Brazil but much of the Amazon Basin will transition to near-normal. Deficits along Peru’s coast will increase in intensity, becoming exceptional.

South America: Exceptional water deficits forecast for Brazil; surpluses in Uruguay

South America: Exceptional water deficits forecast for Brazil; surpluses in Uruguay

A vast expanse of exceptional water deficit is forecast in central Brazil as well as large pockets in some western states. Deficits of lesser severity are forecast for northern Venezuela, western French Guiana, Bolivia, Chile, and rivers in southern Argentina. Surpluses are forecast for central Colombia, northern Guyana, northern Brazil, Rio Grande do Sul (Brazil), Uruguay, and northeastern Argentina. 

South America: Water deficits to persist in Chile

South America: Water deficits to persist in Chile

Over the next few months South America is forecast to transition away from widespread exceptional water deficits. However, from December through February large pockets of exceptional deficits are forecast to persist across central Brazil, Venezuela, French Guiana, western Bolivia, and Chile. Surpluses are forecast for central and northeastern Colombia; northern Pará, Brazil; La Pampa, Argentina; and, both deficits and surpluses between the Chabut and Desaguadero Rivers in Argentina. After February overall conditions will improve across the continent.

South America: Transitioning away from exceptional water deficits

South America: Transitioning away from exceptional water deficits

Over the next few months South America is forecast to transition away from widespread exceptional water deficits. However, from November through January pockets of extreme to exceptional deficits are forecast in western Amazonas and central Brazil, the Cordillera Real Mountains of Bolivia, and scattered down through the nations along the Pacific Ocean, particularly Chile. Surpluses are forecast for: central and eastern Colombia, northern Bolivia, the Amazon Basin from Manaus to Amapá, eastern Paraguay into Argentina, and La Pampa, Argentina. From February to April water deficits will continue to diminish, with the exception of Chile where areas of significant deficit will persist.

South America: Exceptional deficits along Brazil's northeastern coast

South America: Exceptional deficits along Brazil's northeastern coast

Over the next few months South America is forecast to transition away from widespread exceptional water deficits. However, from October through December exceptional deficits are forecast along Brazil’s northeastern coast, along with many parts of Chile, Tierra del Fuego, and the Falkland Islands. Surpluses of varying intensity are forecast in central Colombia, northern Peru, northern Bolivia, central Brazil, and northwestern Argentina. From January through March northern Brazil is forecast to transition from deficit to moderate surplus.

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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