Mexico & C. Amer. & Carib
ISciences staff
Mexico, Central America, & the Caribbean: ...

Severe to exceptional surplus will affect several regions of southern Mexico and Central America. Severe to exceptional deficits will continue in northwestern and central areas of Mexico. 

Mexico, Central America, & the Caribbean: Surplus emerges throughout S Mexico, Central America
Europe
ISciences staff
Europe: Deficits to occur in E Europe

Widespread severe to exceptional surpluses in western and central Europe will mostly resolve, becoming near-normal conditions. Eastern European countries are expected to observe widespread deficits of varying intensity. 

Europe: Deficits to occur in E Europe
Australia & New Zealand
ISciences staff
Australia & New Zealand: Surplus continues ...

Moderate to severe surpluses will remain in northern areas of Australia.  

Australia & New Zealand: Surplus continues in N Australia
South America
ISciences staff
South America: Deficits persist in Amazonas, ...

Exceptional deficits will continue in Amazonas and the Bolivarian Nations, but will diminish in size.  

South America: Deficits persist in Amazonas, Bolivarian Nations
Canada
ISciences staff
Canada: Deficits persist in Prairie Provinces, ...

Exceptional deficits will remain in several areas of the Prairie Provinces, as well as in regions of central and eastern Canada. Severe to exceptional surpluses will continue in various regions of Nunavut. 

Canada: Deficits persist in Prairie Provinces, C and E Canada

Desaguadero River

South America: Water deficits forecast to diminish in eastern Brazil

South America: Water deficits forecast to diminish in eastern Brazil

Exceptional water deficits are forecast to diminish considerably in the coming months, but pockets are forecast through April in southern Venezuela, Amapá (Brazil), western Brazil, western Ecuador, and around the Gulf of Corcovado in southern Chile. Deficits are also forecast in southern Colombia, northern Peru, Uruguay, Rio Grande do Sul (Brazil), and northeastern Argentina. Surplus is forecast in northeastern Venezuela, scattered throughout eastern Brazil, northern Bolivia, and eastern Paraguay. After April, the extent of anomalous water conditions will shrink. 

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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