Other
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30xasc6c&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 24, pp. ASC 6-1, CiteID 2267, DOI 10.1029/2003GL018522
Other
3
Meteorology And Atmospheric Dynamics: Tropical Meteorology, Meteorology And Atmospheric Dynamics: Remote Sensing, Oceanography: Physical: El Nino
Scientific paper
This paper presents the results of an investigation on the interannual variations of tropical cyclone (TC) size, defined as the average radius of 15 m s-1 surface winds, over the western North Pacific from 1999 to 2002. The wind data are from QuikSCAT. The average TC size is found to increase from 1999 to 2002, with the TC sizes in 1999 and 2000 being significantly smaller than those in both 2001 and 2002. Differences in the environmental flow patterns associated with the tracks and formation positions of the TCs among these years apparently explain such size changes. Since 1999 and 2000 were La Niña years, TCs in these two years formed more westward with fewer recurvers so that they tended to be smaller. On the other hand, with 2002 being an El Niño year, TCs formed further eastward with more recurvers, and thus tended to be larger.
Chan Johnny C. L.
Yip Cleo K. M.
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