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IRI Climate Digest  December 2002

Special Summaries


Regions of Enhanced Sensitivity Due to
Recent Seasonal Climate Variability

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Green-shaded regions indicate unusually wet condtions while brown areas have been unusually dry, both indicate areas with increased sensitivity to future climate and societal stresses.

3 Month Precipitation Persistence

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Areas colored in brown (green) indicate regions where monthly rainfall was in the bottom (top) 20% of the (1979-present) observational record with lighter (darker) shading indicating where this condition was met for two (three) of the past three months. Contours are climatological precipitation for the period in cm per month.


3 Month Temperature Persistence

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Areas colored in blue (red) indicate regions where monthly temperature was in the bottom (top) 20% of the observational record with lighter (darker) shading indicating where this condition was met for two (three) of the past three months.

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