*Water Watch Lists
ISciences staff
ISciences Worldwide Water Watch List May 2024

The forecast for May 2024 expects significant water deficits for the 12-month period of February 2024 through January 2025 in South America, Africa, and Canada. Areas expected to experience surplus include central to eastern Africa, northern Australia, Europe, and Southeast Asia.

ISciences Worldwide Water Watch List May 2024
Africa
ISciences staff
Africa: Surplus expands throughout Sahel, E ...

The forecast anticipates exceptional deficits to continue in northern and northwestern African countries, as well as some central and southern countries. Intense surpluses are expected to emerge in areas throughout the Sahel.

Africa: Surplus expands throughout Sahel, E Africa
Australia & New Zealand
ISciences staff
Australia & New Zealand: Surplus persists ...

The forecast indicates that intense surplus will occur in most northern and central regions of Australia, with exceptional deficits diminishing in portions of the country near its western coast. Exceptional deficits are expected to emerge in Tasmania, as well as in pockets across New Zealand. 

Australia & New Zealand: Surplus persists in N, SE Australia
East Asia
ISciences staff
East Asia: Deficits continue in N, S, and NW ...

The forecast indicates that exceptional deficits will mostly dissipate in northeastern China, but continue in northern, southern, and northwestern portions of the country. Exceptional surplus is expected to diminish in southwestern China, though moderate to severe surpluses may continue in eastern regions of the country. 

East Asia: Deficits continue in N, S, and NW China
Southeast Asia & Pacific
ISciences staff
Southeast Asia and the Pacific: Widespread ...

The forecast indicates that exceptional deficits in Mainland Southeast Asia will persist but lessen in size, while intense surpluses will expand throughout Maritime Southeast Asia. 

Southeast Asia and the Pacific: Widespread surplus throughout Maritime Southeast Asia

Irrawaddy River

Southeast Asia & the Pacific: Water surplus forecast for Myanmar, Vietnam, Philippines

Southeast Asia & the Pacific: Water surplus forecast for Myanmar, Vietnam, Philippines

Cambodia continues to stand out through May in Southeast Asia with exceptional water deficit in the west. Surpluses are forecast for much of the rest of Southeast Asia, the Philippines, and Malaysia, and may be especially intense in western Myanmar, around the Gulf of Tonkin, central Philippines, and Brunei. Deficits will emerge in the southern tip of Sumatra and into Java, but are expected to nearly disappear in Papua New Guinea, persisting mainly around the Gulf of Papua. After May, surpluses in the region will retreat and Cambodia will return to near-normal conditions.

Southeast Asia & the Pacific: Intense water surpluses to persist in Vietnam

Southeast Asia & the Pacific: Intense water surpluses to persist in Vietnam

The forecast over the next six month indicates a gradual transition from predominantly surplus conditions to deficit, though western Cambodia and Papua New Guinea stand in contrast with current deficit conditions persisting throughout the period. In the near-term through February surpluses will diminish in Malaysia, Indonesia, Philippines, and Papua, but will persist in Myanmar, Laos, and Vietnam. After February deficits will emerge throughout Malaysia and Indonesia, diminish in western Cambodia, and moderate in Papua New Guinea.

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. 

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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