WSIM Composite Water Anomaly Index Map for Mexico (July -December 2015).

WSIM Composite Water Anomaly Index Map for Mexico (July -December 2015).

WSIM forecasts a strong deficits 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 composite water anomaly 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.

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

Comment

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 0.5°x0.5° 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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