天氣速觀:太平洋高壓增強,菲東熱低往台灣 - 颱風討論
By Hedwig
at 2019-08-21T13:21
at 2019-08-21T13:21
Table of Contents
天氣速觀:太平洋高壓增強,菲東熱低往台灣
南亞高壓東伸下沉氣流,助太平洋高壓西伸,
模式預報紛紛確定了菲律賓東方的熱帶性低氣壓97W往台灣而來。
在太平洋高壓的導引下,97W往台灣的速度不慢,
問題再於季風低壓的環流,成颱的體質不良,中心裸露,發展需要時間,
以致於過了一天還是熱帶性低氣壓。
不給97W發展就被太平洋高壓推向台灣的情況下,
模式預報看起來,
97W撞進台灣時中心都還沒緊縮,不只CDO可能沒有,甚至還是持續外露,
但受地形影響,局部地區仍有較強雨勢。
同時,97W進入台灣海峽後,西南風環流影響台灣西南沿海的情況仍要注意。
整體來看,97W沒有明顯發展的情況下,
應該頂多就是輕度颱風之姿,但也不能掉以輕心了。
這次的路徑上很明確,強度就比較需要注意,
若明顯發展,就要緊迫盯人了。
(快速說明,以上供參囉)
--
南亞高壓東伸下沉氣流,助太平洋高壓西伸,
模式預報紛紛確定了菲律賓東方的熱帶性低氣壓97W往台灣而來。
在太平洋高壓的導引下,97W往台灣的速度不慢,
問題再於季風低壓的環流,成颱的體質不良,中心裸露,發展需要時間,
以致於過了一天還是熱帶性低氣壓。
不給97W發展就被太平洋高壓推向台灣的情況下,
模式預報看起來,
97W撞進台灣時中心都還沒緊縮,不只CDO可能沒有,甚至還是持續外露,
但受地形影響,局部地區仍有較強雨勢。
同時,97W進入台灣海峽後,西南風環流影響台灣西南沿海的情況仍要注意。
整體來看,97W沒有明顯發展的情況下,
應該頂多就是輕度颱風之姿,但也不能掉以輕心了。
這次的路徑上很明確,強度就比較需要注意,
若明顯發展,就要緊迫盯人了。
(快速說明,以上供參囉)
--
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