Southeast Asia & Pacific
ISciences staff
Southeast Asia and the Pacific: Pockets of ...

Exceptional surpluses will persist in northern regions of Mainland Southeast Asia. Most areas of Maritime Southeast Asia will observe near-normal conditions. 

Southeast Asia and the Pacific: Pockets of surpluses persist throughout SE Asia
South Asia
ISciences staff
South Asia: Surplus continues throughout India, ...

Severe to exceptional surpluses are expected to persist in several regions of India and emerge in Bangladesh. Some South Asian countries will observe isolated pockets of deficit. 

South Asia: Surplus continues throughout India, Bangladesh
Middle East
ISciences staff
Middle East: Exceptional deficits to continue ...

Exceptional deficit anomalies will continue in southern regions of the Middle East, as well as in coastal regions of Turkey. Isolated pockets of exceptional deficit will also persist in Iran. Southwestern coastal areas of the Middle East will continue to observe moderate to severe surplus. 

Middle East: Exceptional deficits to continue in S countries
Central Asia & Russia
ISciences staff
Central Asia & Russia: Deficits linger near ...

Exceptional deficits will remain in areas near Lake Baikal and in much of western Russia. Northern and southeastern Kazakhstan will observe continuing surpluses of varying intensity, as will some Russian areas near the Lena River.

Central Asia & Russia: Deficits linger near Lake Baikal
Africa
ISciences staff
Africa: Surplus to continue along the Sahel

Exceptional deficits will mostly resolve in northern, southern, and central countries, but will persist in the Horn of Africa. Surpluses along the Sahel are expected to remain. 

Africa: Surplus to continue along the Sahel

CFS2_R201503

Himalayas: Exceptional surplus conditions continue into summer

Portions of Afghanistan, Pakistan, India, Nepal, and southern China are forecast to experience exceptional water surpluses during this period.  This raises the possibility of broad area flooding, particularly if the monsoon begins while the ground is already saturated from earlier surpluses.

Central America: Severe deficits in 2nd half of 2015

WSIM forecasts a strong drought in southern Mexico and Central America peaking in intensity over the six month period from July through December 2015 as shown in the map depicting the WSIM Composite Surplus/Deficit Index. Exceptionally dry conditions are expected across the southern half of Mexico and Central America, especially in Costa Rica and the western parts of Panama and Nicaragua, and follow significant droughts in the region last summer.  Surpluses are forecast in northwest Mexico.

Western United States: Deficit impacts continue into Sept 2015

The prolonged drought in California has garnered significant political, public, and media attention. The WSIM Composite Surplus/Deficit Index for the next six months (April-Sept 2015), significant deficits will persist or intensify throughout much of the region, including Oregon, Washington, Nevada, Idaho, Utah, and Arizona.  The multi-year regional drought is already impacting agriculture, electricity generation, domestic supplies, and real-estate development.

Coastal Western Africa: Exceptional deficit impacts through end of 2015

WSIM forecasts a widespread and exceptional drought for coastal West Africa (Gabon through Sierra Leone) peaking from July through Dec 2015. The affected region includes heavily populated areas of Nigeria and the countries facing challenges in the aftermath of the Ebola outbreak.

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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