*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

ISciences Worldwide Water Watch List December 2017

ISciences Worldwide Water Watch List December 2017

Regions forecast to have significant water deficits for the 12-month period from September 2017 through August 2018 include: Amapá, Amazonas, Tocantins, and Goiás (Brazil); Mauritania; United Arab Emirates; Cambodia; Fujian and Inner Mongolia (China); and, South Australia and Tasmania (Australia). Areas with a forecast of significant water surplus include: Bangladesh; Tripura and Mizoram (India), western Myanmar; Hubei (China); Poland; and European Russia. This Watch List is based on ISciences Water Security Indicator Model (WSIM) run on 7 December 2017.

Global Precipitation & Temperature Outlook for December 2017

Global Precipitation & Temperature Outlook for December 2017

The December Outlook indicates that Alaska is forecast to be warmer than normal, especially the western half of the state where temperatures are expected to be the hottest in 20 to 40 years. Malaysia, Indonesia, Papua, and New Zealand also stand out with intense hot anomalies predicted. Much wetter than normal conditions are forecast for northern Ukraine and across the border into the Don River Basin and parts of the Volga Basin in Russia.

Southeast Asia & the Pacific: Intense water deficits to persist in W Cambodia

Southeast Asia & the Pacific: Intense water deficits to persist in W Cambodia

The forecast indicates a gradual transition from predominantly surplus conditions to deficit, with Cambodia and eastern Papua New Guinea showing deficit conditions throughout. Through January surpluses will begin to retreat from Malaysia, Indonesia, the Philippines, and Papua but will persist with intensity in Southeast Asia. Moderate deficits will emerge in southern Thailand and around the Java Sea. After January severe deficits will begin to emerge in Malaysia and Indonesia and surpluses in Southeast Asia will begin to retreat. 

South Asia: Intense water deficits to persist in central India

South Asia: Intense water deficits to persist in central India

Intense water deficits are forecast to persist in central India and western Karnataka through April 2018. In the near-term through January, deficits will continue to emerge across India’s northern half and may be exceptional in Haryana and Punjab; moderate deficits are forecast for Afghanistan and Pakistan. After January deficits will moderate except in central India and western Karnataka. Surpluses reaching exceptional severity are forecast through April in Bangladesh and Indian states to the east, as well as western Bhutan, Nepal, West Bengal, Jammu and Kashmir, Andhra Pradesh, and Sri Lanka.

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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