United States
ISciences staff
United States: Deficits to occur in SW, N, NE ...

Widespread deficits of varying intensity will occur in the southwest, northern, and northeastern states. Severe to extreme surpluses will remain in Florida, as well as in most noncontiguous states.  

United States: Deficits to occur in SW, N, NE states
South Asia
ISciences staff
South Asia: Surplus persists in North-central, ...

extreme to exceptional surpluses will persist in north-central and south-central regions of India. Exceptional surpluses are expected to emerge in eastern regions of the country, and in some areas of Nepal and Bangladesh. Extreme to exceptional deficits will expand in Afghanistan and Pakistan.

South Asia: Surplus persists in North-central, south-central India
Africa
ISciences staff
Africa: Surpluses continue along the Sahel

Exceptional deficits throughout Africa will persist in northwestern, northern, and central countries. Surpluses will remain along the Sahel.

Africa: Surpluses continue along the Sahel
South America
ISciences staff
South America: Amazon, Bolivarian Nations to ...

Exceptional deficits will remain throughout the Amazon and the Boliviarian Nations. Similar deficits will occur in northeastern coastal regions of Brazil, in Argentina, and in Chile. 

South America: Amazon, Bolivarian Nations to observe continued deficits
*Water Watch Lists
ISciences staff
ISciences Worldwide Water Watch List November ...

The forecast for November 2024 expects significant water deficits for the 12-month period of August 2024 through July 2025 in northern South America, Canada, northwestern and eastern China, and northern to central Africa. Areas expected to experience surplus include central Africa, South Asia, and Central America.

ISciences Worldwide Water Watch List November 2024

Southeast Asia & Pacific

Southeast Asia & the Pacific: Water deficits to shrink in Thailand

Southeast Asia & the Pacific: Water deficits to shrink in Thailand

The forecast through August indicates that water deficits will shrink and downgrade leaving surpluses as the predominant anomaly, particularly in Indonesia. Surpluses will be intense in Aceh Province, Sumatra. Deficits in Thailand and Cambodia will nearly disappear.

Southeast Asia & the Pacific: Water deficits to shrink; surpluses increase

Southeast Asia & the Pacific: Water deficits to shrink; surpluses increase

The forecast through July indicates that anomalies will shrink and downgrade in Southeast Asia, leaving surpluses in northern and central Vietnam. Surpluses are also forecast for many parts of Indonesia and will be intense in southwestern Sumatra and Flores Island.

Southeast Asia & the Pacific: Water deficits will downgrade in Thailand

Southeast Asia & the Pacific: Water deficits will downgrade in Thailand

The forecast through June indicates that water deficits will shrink and downgrade, particularly in Thailand where exceptional deficits will moderate. In Cambodia, a pocket of extreme deficit will persist north of Tonlé Sap. Areas of surplus include western Indonesian Borneo and western Java.

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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