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All Basins Tropical Cyclone Activity Experimental Dynamical Forecasts Probabilities - May 2009

Basin and Season Variable Below Normal Normal Above Normal Location
Eastern North Pacific
JJAS 2009
NTC
25%
40%
35%
ACE
25%
35%
40%
Western North Pacific
JASO2009
NTC
25%
40%
35%
Slight NNW  shift
ACE
25%
35%
40%
North Atlantic
ASO 2009
NTC
40%
35%
25%
ACE
40%
35%
25%

NTC = Number of Tropical Cyclones
ACE = Accumulated Cyclone Energy

Seasons:
JJAS - June to September
JASO - July to October
ASO - August to October