只有半邊的瑪瑙颱風 - 颱風討論

By Oliver
at 2016-09-06T14:30
at 2016-09-06T14:30
Table of Contents
瑪瑙颱風上午誕生,不過從850百帕的風場來看,這個颱風的結構非常不對稱,
南側風速很強,甚至達到55Kts以上,
北側很弱,只有10~15Kts的風速,
http://imgur.com/yJQQ3V3
由琉球當地的實際觀測也顯示強風跟弱風區壁壘分明,
有些地方的平均風速已經超過20m/s(慶良間空港),有些地方卻不到10m/s (久米島),
JMA可能是考量到這樣的強風現象,
所以即使瑪瑙的外觀螺旋性不佳,還是將它升格為輕度颱風。
這個颱風會隨著這股西南強風迅速往東北移動,對台灣並沒有直接影響,
但是引進的西南風逐漸增強,中南部迎風面今天已經出現了明顯的雨勢,
接下來幾天可能持續影響台灣,加上後天(8號)北邊有短波槽要通過,
配合西南風水氣,北台灣也可能出現較明顯的雨勢,
一直到周末各地天氣都不佳,提醒大家特別注意降雨的情況,
豪大雨發生的機會很高,外出或安排活動務必注意安全。
--
南側風速很強,甚至達到55Kts以上,
北側很弱,只有10~15Kts的風速,
http://imgur.com/yJQQ3V3
由琉球當地的實際觀測也顯示強風跟弱風區壁壘分明,
有些地方的平均風速已經超過20m/s(慶良間空港),有些地方卻不到10m/s (久米島),
JMA可能是考量到這樣的強風現象,
所以即使瑪瑙的外觀螺旋性不佳,還是將它升格為輕度颱風。
這個颱風會隨著這股西南強風迅速往東北移動,對台灣並沒有直接影響,
但是引進的西南風逐漸增強,中南部迎風面今天已經出現了明顯的雨勢,
接下來幾天可能持續影響台灣,加上後天(8號)北邊有短波槽要通過,
配合西南風水氣,北台灣也可能出現較明顯的雨勢,
一直到周末各地天氣都不佳,提醒大家特別注意降雨的情況,
豪大雨發生的機會很高,外出或安排活動務必注意安全。
--
Tags:
颱風
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