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SUMMARY:Effect of topography and surface friction discontinuity on tropica
 l cyclone tracks  - Prof. Johny Chan\, School of Energy and Environment\, 
 City University of Hong Kong
DTSTART:20151117T140000Z
DTEND:20151117T150000Z
UID:TALK62140@talks.cam.ac.uk
CONTACT:Dr. Pranab Deb
DESCRIPTION:In this talk\, the basic physics of tropical cyclone motion wi
 ll first be reviewed. The major part of the talk will focus on how such mo
 vement is modified when a tropical cyclone encounters a surface discontinu
 ity such as when it is about to make landfall. For a flat land that has a 
 much higher friction than that of the ocean\, the cyclone is “attracted
 ” to the region of the highest roughness. In the presence of topography\
 , the cyclone can be deflected substantially with sometimes a looping moti
 on. The extent to which such changes occur depend on the proximity of the 
 cyclone to the topography\, the size of the cyclone and the background env
 ironmental flow.
LOCATION:British Antarctic Survey\, Room 330B
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