Coastal West Africa: Exceptional Water Deficits through Oct 2015

40-year and greater water deficits are forecast for Coastal West Africa starting in July 2015 and continuing through October 2015, with some areas remaining in exceptional deficit status through the end of the year. These deficits will affect the coastal regions of Liberia, Ivory Coast, Ghana, Togo, Benin, Nigeria, and Cameroon. Although monthly deficits decline after October 2015, no recovery is expected, on an annual basis, until sometime after January 2016.

WSIM Composite Water Anomaly Index for Aug through Oct 2015

WSIM Composite Water Anomaly Index for Aug through Oct 2015

This blog post presents results from our May “WSIM Global Water Monitor and Forecast” report. This report is based on observed temperature and precipitation through April 2015 and an ensemble of 28 temperature and precipitation forecasts issued by NOAA's CFSv2 the last week of April 2015.

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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