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

The forecast for April 2024 expects significant water deficits for the 12-month period of January 2024 through December 2024 in South America, northeastern Africa, and the Middle East. Areas expected to experience surplus include eastern to eastern Africa, northern Australia, Europe, and Southeast Asia.

ISciences Worldwide Water Watch List April 2024
East Asia
ISciences staff
East Asia: Exceptional deficits continue in N, ...

The forecast indicates that exceptional deficits will persist in northwestern regions of China, but lessen in size in northern and northeastern China. Surpluses occurring in Tibet are also expected to remain but diminish in size. 

East Asia: Exceptional deficits continue in N, NW China
Southeast Asia & Pacific
ISciences staff
Southeast Asia and the Pacific: Surplus spreads ...

The forecast indicates that deficits will persist throughout Mainland Southeast Asia, but decrease in intensity, becoming mostly moderate to severe anomalies. Intense surplus is expected to expand throughout Maritime Southeast Asia, particularly in central Indonesia, Papua, and Papua New Guinea. 

Southeast Asia and the Pacific: Surplus spreads throughout Maritime SE Asia
South Asia
ISciences staff
South Asia: Surplus expands throughout India

The forecast indicates that most exceptional deficits in Pakistan and Afghanistan will dissipate, though some regions are expected to experience lingering deficits. India is expected to observe widespread surplus throughout the country. 

South Asia: Surplus expands throughout India
Central Asia & Russia
ISciences staff
Central Asia & Russia: Surpluses emerge in ...

The forecast indicates that widespread exceptional deficits in western Russia will mostly subside, though similarly intense deficits will emerge in southeastern Russia. Surpluses are expected to dissipate in east-central Russia in areas near Lake Baikal, with surpluses of equal intensity emerging in southwestern Russia and northern Uzbekistan. 

Central Asia & Russia: Surpluses emerge in SW Russia

Australia & New Zealand

Australia & New Zealand: Deficits persist in Tasmania & Channel Country

Australia & New Zealand: Deficits persist in Tasmania & Channel Country

A transition away from significant water deficit is forecast for mainland Australia. Exceptional deficits will shrink considerably, retreating to Channel Country in central Australia. However, intense deficits are forecast for western Tasmania, coastal Victoria, Darwin, and the southeastern tip of Western Australia. Moderate deficits are forecast for the remainder of New South Wales, much of South Australia, Northern Territory, and much of the northern half of Western Australia. Moderate deficits are forecast for North Island New Zealand, and New Caledonia.

Australia & New Zealand: Water deficits persist in Tasmania

Australia & New Zealand: Water deficits persist in Tasmania

Mainland Australia is forecast to transition from widespread exceptional water deficit to mild conditions, with more intense deficits in Tasmania. Areas of moderate deficit include eastern South Australia, Victoria, the Murray-Darling Basin, and the east coast to Brisbane. Surpluses will persist in the Kimberley region, WA; shrink along the Victoria River and emerge in Arnhem Land, NT; re-emerge in northern Cape York Peninsula, QLD; and continue to emerge in the Mackenzie River area west of Rockhampton, QLD. Deficits in New Caledonia and New Zealand will moderate.

Australia & New Zealand: Intense water deficits persist in Tasmania & New Caledonia

Australia & New Zealand: Intense water deficits persist in Tasmania & New Caledonia

Widespread, exceptional water deficits observed in recent months in Australia are forecast to nearly disappear, though intense deficits will persist in Tasmania and near Busselton, WA. Through April, primarily moderate deficits are forecast from the Eyre Peninsula in South Australia through much of Victoria and into New South Wales; for central Queensland to the Gulf of Carpentaria; and, northwest to Darwin, where deficits may be more severe. Deficits are expected to retreat significantly in New Zealand, but will continue to emerge in New Caledonia.

Australia & New Zealand: Water deficits diminish but persist in Tasmania and South Australia

Australia & New Zealand: Water deficits diminish but persist in Tasmania and South Australia

Exceptional deficits observed in recent months are forecast to nearly disappear, though intense deficits will persist in western Tasmania and the southwestern tip of Western Australia. The near-term forecast includes moderate deficits in South Australia, becoming more intense past the Eyre Peninsula and along Victoria’s coast. Moderate deficits are expected in the eastern Murray-Darling Basin which may be more severe in Riverina, and moderate deficits are forecast for New Zealand. After March, deficits will be mild overall but more severe in Busselton, Tasmania, and New Zealand.

Australia & New Zealand: Water deficits to persist in Tasmania, surpluses near Bundaberg

Australia & New Zealand: Water deficits to persist in Tasmania, surpluses near Bundaberg

Exceptional deficits observed in recent months in Australia are forecast to nearly disappear, though intense deficits will persist in Tasmania through February and the southwestern tip of Western Australia through May. The near-term forecast includes deficits along Australia’s southeastern coast and in eastern New South Wales, and exceptional surpluses near Bundaberg, Queensland. After February surpluses near Bundaberg will recede and deficits will continue to emerge in the southwestern tip of WA, from the Fleurieu Peninsula in South Australia through Victoria, in Tasmania, and in New Zealand. 

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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