National Drought Mitigation Center Website > Monitoring Tools > International Early Warning

Thursday, May 23, 2013

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International Early Warning

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IRI: Global SPI Analysis

Web Address: http://iridl.ldeo.columbia.edu/maproom/.Global/.Precipitation/SPI.html

Description: Global maps of Standardized Precipitation Index (SPI) values calculated using CAMS_OPI monthly precipitation data on a 2.5 x 2.5 deg. lat/lon grid. Maps available include 1-, 3-, 6-, 9-, and 12-month SPI.

Organization: The International Research Institute for Climate and Society

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