IRI Climate Digest
July 2004
Special Summaries
Regions of Enhanced Sensitivity Due to
Recent Seasonal Climate Variability
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The map above has been generated from the 9-month WASP Index (Weighted Anomaly Standardized
Precipitation) for the period indicated. Green-shaded regions indicate
unusually wet conditions over this 9-month period, while brown areas have been unusually dry. Both
indicate areas with increased sensitivity to future
climate and societal stresses.
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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.
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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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