Comparison of Three Typhoons with Double Eye Walls
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Abstract:
Tropical cyclones 7514 (Elsle), 7908 (Hope), and 0313 (Dujuan) were compared and analyzed with radar, long-wave radiation (OLR), ambient field, specific humidity field data, etc. The results show that the three typhoons with double eye walls have characteristics of regular and tight spiral cloud bands, strong Subtropical High and weak southwesterly at 850 hPa before landing, which resulted in the strong wind and less rainfall with an extensive influencing area. The long-wave radiation and the rain field have close relationship. All the low OLR centers of three typhoons didn't land, resulting in less rainfall on land. The low OLR centers of three typhoons corresponded to strong rain centers basically. The bigger the gradient of the specific humidity field is, the slower the typhoons moves, and the longer and stronger the rainfall.
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P444 P457.6
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.