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
*Special Topics, South America
ISciences staff
Escalating Drought Risk in the Amazon River ...

With the release of WSIM v3 and 8 years of additional data, we reevaluate drought risk in the Amazon and the historic drought that continue to affect the region.

Escalating Drought Risk in the Amazon River Basin
Australia & New Zealand
ISciences staff
Australia & New Zealand: Surpluses ...

The forecast indicates that extreme to exceptional surpluses in northern Australia will diminish, though will still remain present in some regions of Northern Territory. Exceptional deficits across the continent will similarly dissipate, though severe deficits are expected along the southern coast of Victoria. 

Australia & New Zealand: Surpluses continues in north-central Australia

West Africa

Africa: Water surpluses persist in Tanzania & Kenya

Africa: Water surpluses persist in Tanzania & Kenya

Exceptional water deficits in North Africa will diminish but persist, and severe deficits are forecast in Gabon and in Nigeria south of the Benue River. Deficits will also persist in western Zambia and are expected to be extreme on the Kafue River. Moderate to exceptional deficits will emerge in central Botswana. Exceptional surpluses will persist in Tanzania, Kenya, and northern Uganda, but diminish somewhat in northern Madagascar. Surpluses east of Kinshasa in Democratic Republic of the Congo are forecast to increase in both extent and intensity, becoming severe.

Global Precipitation & Temperature Outlook June 2018

Global Precipitation & Temperature Outlook June 2018

The June Outlook indicates much warmer than normal temperatures (40+ years return period) blanketing a large block of Northeast China and stretching across the border well into Russia. Much of Europe is forecast to be warmer than normal, as well as many parts of Indonesia, while much cooler temperatures will prevail in parts of Central Africa. Conditions are expected to be much wetter than normal for several African nations along the Atlantic near the equator.

Global Precipitation & Temperature Outlook for September 2017

Global Precipitation & Temperature Outlook for September 2017

The September Outlook indicates much warmer than normal temperatures - conditions we'd expect to see once in 20 to 40 years - in many regions of the world including India's southern half, coastal West Africa, and the eastern Amazon Basin. Much drier than normal conditions are forecast for central India.

Global Precipitation & Temperature Outlook for December 2016

Global Precipitation & Temperature Outlook for December 2016

The December 2016 Precipitation & Temperature Outlook indicates that many parts of South Asia, East Asia, and Southeast Asia are forecast to be much warmer than normal. Significant dry anomalies are expected to envelope Sri Lanka. Wet anomalies are forecast for Kazakhstan, northern Mongolia, Myanmar, the Malaysian Peninsula, Western Australia, Cameroon, Equatorial Guinea, Gabon, and Venezuela. 

Global Precipitation & Temperature Outlook for November 2016

Global Precipitation & Temperature Outlook for November 2016

Most noteworthy in the November 2016 Outlook is the forecast of a vast expanse of exceptionally warmer temperatures for the US Midwest and northward through Canada. Significant warm anomalies are also expected in coastal West Africa, the Gulf of Guinea, Madagascar, India's southern tip, and Southeast Asia. Exceptional dry anomalies are forecast along South America's northern Pacific coast and in southern Ethiopia. Areas forecast to experience wet anomalies include northern Brazil and northern Australia.

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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