Africa
ISciences staff
Africa: Surpluses continue along the Sahel

Exceptional deficits throughout Africa will persist in northwestern, northern, and central countries. Surpluses will remain along the Sahel.

Africa: Surpluses continue along the Sahel
South America
ISciences staff
South America: Amazon, Bolivarian Nations to ...

Exceptional deficits will remain throughout the Amazon and the Boliviarian Nations. Similar deficits will occur in northeastern coastal regions of Brazil, in Argentina, and in Chile. 

South America: Amazon, Bolivarian Nations to observe continued deficits
*Water Watch Lists
ISciences staff
ISciences Worldwide Water Watch List November ...

The forecast for November 2024 expects significant water deficits for the 12-month period of August 2024 through July 2025 in northern South America, Canada, northwestern and eastern China, and northern to central Africa. Areas expected to experience surplus include central Africa, South Asia, and Central America.

ISciences Worldwide Water Watch List November 2024
*Special Topics, South America
ISciences staff
Escalating Drought Risk in the Amazon River ...

With the release of WSIM v3 and 8 years of additional data, we reevaluate drought risk in the Amazon and the historic drought that continue to affect the region.

Escalating Drought Risk in the Amazon River Basin
Australia & New Zealand
ISciences staff
Australia & New Zealand: Surpluses ...

The forecast indicates that extreme to exceptional surpluses in northern Australia will diminish, though will still remain present in some regions of Northern Territory. Exceptional deficits across the continent will similarly dissipate, though severe deficits are expected along the southern coast of Victoria. 

Australia & New Zealand: Surpluses continues in north-central Australia

Salado River

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: Exceptional water deficits persist in central Brazil

South America: Exceptional water deficits persist in central Brazil

South America is forecast to transition away from widespread exceptional water deficits after October. However, until then exceptional deficits are forecast for much of Brazil north of Rio, along with deficits of varying severity elsewhere in South America. By December the extent of exceptional water deficits in Brazil will diminish except along the Amazon River and in Amapá and Maranhão. From November on moderate deficits are forecast in Colombia, Venezuela, Guyana, Suriname, French Guiana, Ecuador, Peru, Chile, and Rio Grande do Sul, Brazil.

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.

For more information contact info@isciences.com.

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