IRI Climate Digest
May 2004
Special Summaries
Regions of Enhanced Sensitivity Due to
Recent Seasonal Climate Variability
The map above has been generated from the 9-month WASP Index
(Weighted Anomaly Standardized Precipitation)
for the period August 2003 to April 2004. 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
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
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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