*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
South Asia
ISciences staff
South Asia: Deficits remain in Afghanistan, ...

Exceptional surpluses in India will mostly dissipate, transitioning to moderate to severe surpluses. Exceptional deficits will remain in Afghanistan and Pakistan. 

South Asia: Deficits remain in Afghanistan, Pakistan, surpluses persist in India

When it rains...it pours

When it rains...it pours

More intense precipitation events are occurring worldwide in both dry and wet climates. What has changed is the overall temperature constraint in the system. When the globe is warmer, there is more energy to work with. More heat - that is, more energy - begets more intense precipitation, and the possibility of more floods and more droughts. The most immediate threats of warming result from the changing risks of extreme weather. Unlike sea level rise which is real but less perceptible, this influence is already upon us and apparent.

Global Precipitation & Temperature Outlook for August 2016

Global Precipitation & Temperature Outlook for August 2016

The August forecast indicates widespread severe to exceptional warm anomalies across vast stretches of northern South America, North Africa, Saudi Arabia, and Southeast Asia, with anomalies of lesser severity in many other parts of the world. Scattered precipitation anomalies include dry anomalies in Nepal and in Amapá, Brazil. Wet anomalies are predicted for the island of New Guinea, eastern Kyrgyzstan, China's Taklamakan Desert, Arizona, and Sonora.

Central Asia: Water surpluses forecast in Kazakhstan, deficits in Turkmenistan

Central Asia: Water surpluses forecast in Kazakhstan, deficits in Turkmenistan

Water surpluses are forecast to persist along rivers in Kazakhstan through March, though a transition to both deficits and surpluses is forecast January through March as abnormal to moderate deficits begin to emerge across the country. Moderate to severe deficits in Turkmenistan and parts of Uzbekistan are expected to persist through September, diminish in October, after which moderate deficits will re-emerge throughout both countries in November. A vast expanse of moderate to exceptional water deficits are forecast through September across northern Russia from the White Sea through much of the Central Siberian Plateau. Surpluses are forecast in the Ob River Basin during this period which are expected to be especially widespread and severe in October. 

Europe: Water surpluses forecast between France & Germany, deficits in Finland

Europe: Water surpluses forecast between France & Germany, deficits in Finland

Water deficits are forecast through September in parts of Central Europe, Eastern Europe, the Baltics, southern Norway and Sweden, and Finland. Surpluses are expected in northern France and across the border into Germany, Belgium, and in southern Netherlands. From October on, surpluses are expected to emerge, first in Scotland, Germany, Norway and Sweden; and later in other parts of Central Europe, the Baltics, and Finland. Deficits are forecast for the Iberian Peninsula. 

Africa: Widespread water deficits to persist across North Africa & southern Africa

Africa: Widespread water deficits to persist across North Africa & southern Africa

Exceptional water deficits are forecast to persist across North Africa, gradually diminishing in extent and severity. Deficits of varying severity will also persist in much of Africa’s southern half, with extreme deficits forecast in northern Zambia though November. Exceptional deficits are expected to emerge in central Botswana and in South Africa near Botswana in July. Water surpluses are forecast to persist through October in Tanzania and northeastern Mozambique.

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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