*Water Watch Lists
ISciences staff
ISciences Worldwide Water Watch List October ...

This month’s In Focus highlights:
- El Niño Nears Its Peak
- Ethiopia: Conflict and Crop Failure in the North
- India’s Lopsided Monsoon

*Water Watch Lists
ISciences staff
ISciences Worldwide Water Watch List June 2025

The forecast through February 2026 expects deficits in Central and Eastern Europe, Central Asia, and the Levant. Surpluses are expected in the western Amazon, the Sahel and southern Africa, and northeastern Australia.

ISciences Worldwide Water Watch List June 2025
Australia & New Zealand
ISciences staff
Australia & New Zealand: Surpluses spread ...

Severe to exceptional surpluses will remain throughout Queensland. Exceptional deficits will occur in portions of Victoria, Western Australia, Tasmania, and New Zealand. 

Australia & New Zealand: Surpluses spread throughout Queensland
East Asia
ISciences staff
East Asia: Deficits continue in NW China, ...

Exceptional deficits will occur in northwestern and southeastern China, widespread throughout the Yangtze River Basin. Isolated pockets of surplus will affect portions of central and northeastern China. 

East Asia: Deficits continue in NW China, Yangtze River Basin
Southeast Asia & Pacific
ISciences staff
Southeast Asia and the Pacific: Deficits ...

Exceptional surpluses throughout Maritime Southeast Asia will mostly diminish, though pockets of severe to exceptional deficits will persist in portions of the Philippines, Indonesia, Papua, West Papua, and New Guinea. 

Southeast Asia and the Pacific: Deficits persist in Maritime SE Asia

Africa: Forecast includes exceptional water surpluses in East Africa, deficits in coastal West Africa, southern Africa

The dominant water security issues of interest in Africa continue to be drought in Coastal West Africa and Southern Africa, and water surpluses in East Africa. Coastal West Africa may continue to experience deficits through May 2016, which may reach inland areas. Drought conditions in Southern Africa are forecast to moderate through November, though severe to exceptional deficits are possible December through May. Exceptional surpluses are expected in East Africa through May.

Middle East: Extreme to exceptional water deficits may dominate the region

Extreme to exceptional water deficits may dominate the region, including the Arabian Peninsula, Jordan, southern Iraq, and central Iran. Pockets of Turkey, Syria, and northern Iran are forecast to experience water surpluses September through November. Surplus conditions in Turkey are expected to transition to deficit beginning in February and increasing in extent and severity through May.

South America: Exceptional water deficits forecast for northern Brazil, surpluses in Paraguay, Uruguay, Argentina

Exceptional water deficits may continue across much of northern Brazil and coastal Peru and Chile through May 2016. Surpluses are forecast for central Paraguay, southern Brazil, Uruguay, and Argentina, and are expected to increase in extent and severity through May with widespread exceptional surpluses anticipated. Northern South America may transition from deficit to surplus March through May.

Mexico & Central America: Exceptional water deficits forecast for southern Mexico, Central America

Widespread exceptional water deficits are forecast for southern Mexico, the Yucatan Peninsula, Belize, Guatemala, El Salvador, Honduras, Nicaragua, northwest Costa Rica, and western Panama. Surpluses may continue to emerge in Mexico’s northwestern state of Chihuahua. 

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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