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Tropical cyclones in the 20km AGCM AMIP experiments
WGSIP2007_JPinput_yoshimura_AMIP_typhoon.ppt Tropical cyclones in the 20km AGCM AMIP experiments Jun Yoshimura (MRI), Kazuyoshi Ouchi (AESTO), Hiromasa Yoshimura (MRI), Akira Mizuta (AESTO), Shoji Kusunoki (MRI), Akira Noda (Frontier)
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Tropical cyclone tracks
From J.Yoshimura Best tracks Blue for Jan-Feb-Mar, green for Apr-May-Jun, red for Jul-Aug-Sep, orange for Oct-Nov-Dec. 20-km-mesh AGCM (AJ) 20-km-mesh AGCM (AT)
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Sep-Oct-Nov. TC tracks. Strong ElNino vs. Strong LaNina
EN EN LN LN El Nino years and La Nina years, and green-line regions are from Wang and Chan (2002, J.Clim.)
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The latitudinally summed numbers of occurrence of tropical cyclones per year (1979-1998)
2018/11/27 OBS Model * * *--- The number of cases. ALL: EN: LN:
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Change in Strong Hurricanes ?
Webster et al. (2005, Science)
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Tropical cyclone frequency as a function of peak wind intensity
NH SH Decadal change is small.
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