Analysis of Movement Characteristic for Typhoon ″Chebi″ Approaching and Landing

With the help of radar data and surface intensive observations before typhoon Chebi landed over Fuqing,Fujian,in June of 2001,the movement features of a tiny typhoon Chebi are investigated.It is shown that the topographic forcing of the Xinghua Bay made typhoon Chebi suddenly move to the Xinghua Bay at great speed when it was approaching and landing. It is found that its potential disaster characteristic is significant,as a result of the wind speed jumply changes.Consequently,it is very necessary to make quantitively the wind speed forecast in time when a tiny typhoon is approaching and landing.

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