雙颱動態 - 颱風討論
By Zanna
at 2012-07-31T06:04
at 2012-07-31T06:04
Table of Contents
從昨晚到今晨,蘇拉與丹瑞的動態似乎出現了微妙的變化
過去幾小時的蘇拉有些原地打轉的現象,導引氣流似比預期中更無力
CWB 雖獨家調升為中颱,JTWC 卻一舉向下修正為 55kts 並溯及既往,
還很大方地表示這是 reanalysis 的結果,10kts 只是 small decrease...
過去幾天速度非常緩慢的丹瑞,昨天深夜起倒是明顯加速,
從過去幾天的個位數很快加速到將近 30km/hr
這似乎象徵日本附近的副熱帶高壓已重新建立其強勢地位
過去幾天丹瑞的發展受制於南側的冷心低壓,始終未能明顯增強,
現在看來這個冷低已經逐漸填塞淺化,加上它逐漸西移至海溫更高的區域,
丹瑞的強度在未來 24 到 48 小時應該有某種程度的強化空間,
從過去幾個小時的衛星資料可看出其中心結構確實有所改善,
現在的 VIS 雲圖更可看到丹瑞很豪邁地甩著那頭蓬鬆的卷髮......
然而這樣的發展可能使得蘇拉無法順利接觸北方高壓的引導,
導引不明的情況是否會持續得比原先預期還要更久?值得觀察
--
推 antiyahoo : 07/31 06:06
推 markshian :感覺蘇拉偏西後一直在原地打轉Orz 07/31 06:14
→ markshian :現在的結構比起昨夜那種散散的好了些,目前蘇拉仍在努 07/31 06:16
→ markshian :力整理環流中..至於宜蘭太平山今日累積雨量已經達到 07/31 06:17
→ markshian :182.5mm了,持續穩定累加當中... 07/31 06:18
※ 編輯: navarra 來自: 128.120.178.14 (07/31 06:27) 推 epop :蘇拉感覺略顯扎實... 07/31 06:36
推 tkw007 :桃園風雨炸裂中 07/31 06:38
推 kueilinyeh :龜山這現在沒雨 剛還有出過太陽 07/31 06:50
推 SS327 :為什麼不叫 "輸仔" 颱風阿 07/31 06:52
推 muching :蘇拉現在變得很"壯",第三象限那塊尤其明顯 07/31 07:15
推 skn60694 :由2132~2232Z 三張可見光 似乎現在開始移動(西北) 07/31 07:22
推 easydo :一早起來才發現 丹瑞居然開始飆車了 07/31 07:27
→ Lxr :不過莫拉克的結構完整多了~ 07/31 07:50
推 koxinga :丹瑞衝鋒了 07/31 08:05
推 lahiboy :很豪邁地甩著那頭蓬鬆的卷髮 <-- 我喜歡這句! XDD 07/31 08:12
→ Lxr :蘇拉的上半身雖然看似弱不禁風,不過下半身卻很有力 07/31 08:18
推 twhma :丹瑞要去哪? 07/31 08:18
推 chris1174 :上半邊根本悲劇... 07/31 08:21
推 koxinga :好客山東 07/31 08:22
推 webline :蘇拉:我要地上寫個[慘]字... 我好賤XD 07/31 08:23
推 andy5807tw :照這樣下去中國會雙颱同時侵襲喔~~ 07/31 08:39
→ larailing :桃園雨超大 不過都下不超過1小時 07/31 08:49
推 abc480528 :卷髮好生動XD 07/31 09:08
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