ISciences Worldwide Water Watch List September 2024

ISCIENCES WORLDWIDE WATER WATCH LIST September 2024

This map presents a selection of regions likely to encounter significant water anomalies during the one year period beginning in June 2024 and running through May 2025 using 3 months of observed temperature and precipitation data and 9 months of forecast data.

The synopsis that follows provides highlights of regional water forecasts. Regional details are available in ISciences Global Water Monitor & Forecast Watch List September 15, 2024 (pdf).

United States: Extreme to exceptional surpluses are expected to persist throughout non-contiguous areas until February 2025.

Canada: Exceptional deficits will continue throughout the Prairie Provinces throughout May 2025 or longer.

Mexico, Central America, and the Caribbean: The Yucatan Peninsula is expected to observe severe to extreme surpluses throughout May 2025 or longer.

South America: Exceptional deficits are anticipated to endure in regions of the Amazon Rainforest until November 2024.

Europe: Eastern Europe is expected to observe widespread severe to extreme deficits until February 2025.

Africa: Surpluses are expected to emerge across the Sahel throughout May 2025 or longer.  

Middle East: Central to southern regions of Saudi Arabia are expected to observe exceptional deficits throughout November 2024.  

Central Asia and Russia: Northern Kazakhstan and southwestern Russia will experience severe to extreme surpluses throughout May 2025 or longer.

South Asia: Severe to extreme surpluses are expected to continue throughout India throughout May 2025 or longer.

Southeast Asia and the Pacific: Portions of western and southern Myanmar will experience severe to extreme surpluses until November 2024.

East Asia: Exceptional deficits may endure throughout northwestern provinces of China until February 2025.

Australia & New Zealand: Severe to extreme surpluses are anticipated in northern Australia, which will also experience pockets of transitional conditions until November 2024.


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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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