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CN 11-2282/P
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Archive > Volume 33 Issue 11 > 2007,33(11):9-15. DOI:10.7519/j.issn.1000-0526.2007.11.002 Prev Next

Diagnosis of NorthwardDeflecting Track of Typhoon PrapiroonCaused b y the Environmental Flow Field and Typhoon Structure Variation

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    Abstract:
    The anomalous moving track of Typhoon Prapiroon is studied by using th e NCEP Global Data Assimilation System （GDAS） data and CIMSS microwave brightness tem perature data. The results show that the northward-deflecting track of Prapiroon is closely related to the midlatitude westerly trough, southwest monsoon and typhoon asymmetric structure itself. The meridional wind activities behind the w esterly trough and the directiron of maximum wind speed center have a certain in dication meaning for the moving direction of typhoon.

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