Thursday, 1 May 2008
Palms ABCD (Wyndham Orlando Resort)
Typhoon Haitang (2005) was a major typhoon affecting China in 2005. Its primary spiral rainband to its north brought about torrential rainfall in Southeast China during its landfall. A distinct feature is the breakdown of the primary spiral rainband prior to its landfall, causing remarkable asymmetric distribution of precipitation. In this study, the WRF (Weather Research and Forecast) model was used to investigate the physical processes that are responsible for the breakdown of the primary spiral rainband after the landfall of Typhoon Haitang. The results show that the primary rainband with its associated cyclonic vorticity band breaks down after the landfall due to both the orographic effect and the interaction between the upper and lower-level circulations. Detailed analysis will be reported at the conference.
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