Comment on "Changes in Tropical Cyclone Number, Duration, and Intensity in a Warming Environment"

doi:10.1126/science.1121522

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Comment on "Changes in Tropical Cyclone Number, Duration, and Intensity in a Warming Environment"

Johnny C. L. Chan

Analyses of tropical cyclone records from the western NorthPacific reveal that the recent increase in occurrence of intensetyphoons reported by Webster et al. (Reports, 16 Sep. 2005,p. 1844) is not a trend. Rather, it is likely a part of thelarge interdecadal variations in the number of intense typhoonsrelated to similar temporal fluctuations in the atmosphericenvironment.

Laboratory for Atmospheric Research, Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China.

To whom correspondence should be addressed. E-mail: Johnny.chan{at}cityu.edu.hk

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TECHNICAL COMMENTS Response to Comment on "Changes in Tropical Cyclone Number, Duration, and Intensity in a Warming Environment": P. J. Webster, J. A. Curry, J. Liu, and G. J. Holland (24 March 2006)
Science 311 (5768), 1713c. [DOI: 10.1126/science.1121564]
| Abstract » | Full Text » | PDF »

REPORTS Changes in Tropical Cyclone Number, Duration, and Intensity in a Warming Environment: P. J. Webster, G. J. Holland, J. A. Curry, and H.-R. Chang (16 September 2005)
Science 309 (5742), 1844. [DOI: 10.1126/science.1116448]
| Abstract » | Full Text » | PDF »