ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
The Ａpplication of FY2 Ｓatellite Ｃloud Ｉmage Ａnalysis System to the Process of Tropical Cyclone Kammuri
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Abstract:
With the conventional observational data and the functions of FY2 satellite cloud image analysis system the tropical cyclone Kammuri is studied including weather situation, cloud evolution, path changes, rainfall and winds, etc. The results showed that the routes of “Kammuri” were twice northward and once southward, all these were closely related to the swing of the subtropical high, the eastward shift of the small westerly trough in the midlatitude and the strengthening and weakening of lowlevel southwest flows; while the development and reduction of convective cloud cluster were better corresponding to the strengthening and weakening of lowlevel southwest airflows. There is a good relationship between the heavy precipitation and the center of cloud top brightness, as well as its lowest intensity, and it is also closely related to the cloud size and cloud top brightness temperature with heavy precipitation, in which the development of cloud systems is a good signal to heavy precipitation. The FY2 satellite image analysis system is a good supporting tool for the shortterm nowcasting due to its better analyzing the characters of “Kammuri”.
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