昌鴻...一路好走... - 颱風討論

By Emma
at 2009-05-08T05:03
at 2009-05-08T05:03
Table of Contents
昨晚 02W 以相當快的速度自呂宋島西側登陸後,
整體環流受到相當大的破壞,高低層分離的情形相當嚴重
臺北時間今日清晨 2:00(5/7 18Z)的資料:
機構 中心位置 近中心最大風速
======== ============= ==================
JMA 17.0N,122.1E 30m/s
CWB 17.0N,121.6E 28m/s
JTWC 17.3N,120.8E 25kts,約13m/s,TD
NRL/JTWC 相當狠,從六小時前尚未登陸的 75kts 一口氣降成 25kts,
直接從中度颱風打回熱帶低壓
JMA 則是維持輕颱上限的強度,差異非常之大
由於受到地形破壞,LLCC 從雲圖上已難分辨,各家定位南轅北轍
發展較好的對流已隨高層雲系來到呂宋東方海上,
如同卡大前文所提,可能會在呂宋東方近海試圖重組環流
然而這一帶的海域風切甚大,海溫偏低,北方的空氣又偏乾
再發展的機會看來是相當有限,JTWC 直接發了 Final Warning
至於 JMA 的路徑...直撲恆春半島...就讓時間來「驗證」吧
昌鴻......一路好走......
※ 編輯: erner 來自: 169.237.202.75 (05/08 05:19)
推 logdog :不要小看熱帶低壓的威力 只要他不小散 台灣南部算是 05/08 07:00
→ logdog :挫著等 05/08 07:00
推 Cobraswin :他高低層分離已經很嚴重了,除非能重整,不然散掉可 05/08 08:28
→ Cobraswin :能性比較高一點,而且這幾小時移動速度飛快,高層部 05/08 08:28
→ Cobraswin :分往東北東的方向更快.....一路好走啊.... 05/08 08:29
推 tcytc :對數狗大,你真的太悲觀了,這種環境,他毫無機會 05/08 08:43
→ tcytc :不要說什麼挫著等,能下幾滴雨就很了不起了... 05/08 08:45
推 DoraBoy :R.I.P. 05/08 09:01
推 logdog :看來我們持不同意見.... 05/08 09:02
→ logdog :我還是覺得不一定會散掉 05/08 09:02
推 logdog :我比較偏向不會散掉 TS下限接近台灣 05/08 09:05
推 youngscott :新一報JMA出來維持980hpa 30m/s 比預期強.. 05/08 09:12
→ youngscott :靠近台灣強度的預估從994再提升到990 05/08 09:14
推 tcytc :看來又是一颱各表的戲碼,繼續看戲吧XDD 05/08 09:21
推 navarra :JTWC搞笑了...發了第19報,重新定位在呂宋東方海面 05/08 09:52
→ navarra :強度又變成55kts,路徑預報是臺灣東方海面北上 05/08 09:52
→ navarra :那個Final Warning實在發得太快了,JTWC有點... 05/08 09:53
推 logdog :昌鴻很精采 比柯吉拉精采的多 不論會不會靠過來 05/08 10:11
→ logdog :會不會消散 都給了大家很多的討論空間 05/08 10:12
推 logdog :看到那風場 JTWC不得不更改吧 中心附近還有45KT 05/08 10:16
→ logdog :甚至還有黑旗子出現 05/08 10:17
推 snocia :JTWC太扯了XDDD 05/08 12:43
→ snocia :現在的JTWC預測到台灣東方都還是TS喔 05/08 12:44
→ snocia :幾個小時前獨家說他減弱成TD XDD 05/08 12:45
推 DoraBoy :之前JTWC之所以會這麼看衰昌鴻,是因為它認為昌鴻會 05/08 13:09
→ DoraBoy :會在呂宋島上方轉向偏北 滯陸時間跟著拉長 05/08 13:09
→ DoraBoy :但實際的情況是昌鴻移速很快 不到12個小時就出海了 05/08 13:09
推 DoraBoy :所以出海時還能保有STS的強度 (55KTS) 05/08 13:14
推 DoraBoy :JMA是預測昌鴻會沿著東海岸緩慢北上 但在引導氣流不 05/08 13:24
→ DoraBoy :明顯的情況下 不知道會不會被台灣的地形吸進去 而向 05/08 13:25
→ DoraBoy :西偏折登陸台灣?? 05/08 13:25
推 navarra :目前的昌鴻是呂宋外海雲系重新建構的產物, 05/08 13:41
→ navarra :原來的LLCC應該是困在呂宋島的山中而消散了 05/08 13:42
→ navarra :至於要被陸地吸引...距離必須要夠近 05/08 13:43
→ navarra :目前的環流型態是否可以維持到那時候?還很難說 05/08 13:44
→ navarra :各家預報仍然普遍看衰它的發展,畢竟環境實在不佳 05/08 13:45
推 DoraBoy :JMA最新一報認為5天後登陸花蓮... 05/08 15:20
推 navarra :這個JMA...從高屏近海、恆春半島到花蓮,下一報不知 05/08 15:31
→ navarra :又要改到那裏去了。宜蘭?還是乾脆變成西北颱? 05/08 15:33
→ navarra :不過JMA與NRL都不約而同調降了它的強度, 05/08 15:33
→ navarra :JMA:28m/s,NRL:45kts。看來重整之路多艱 05/08 15:34
推 logdog :大概就這樣了 強度很難再上去... 05/08 16:40
推 logdog :我只是不看好穿菲之後變TD或消散而已.... 05/08 16:42
推 Cobraswin :其實整體而言,cwb這次預報是最準的.... 05/08 17:05
推 youngscott :很明顯的CWB想用降格來結束這一切 調降速度很快 05/08 17:08
→ youngscott :避免讓民眾覺得有颱風靠近這回事.. 05/08 17:09
→ aschaos :樓上酸很重... JTWC調降更快的說:p 05/08 18:31
→ tcytc :就算他現在來台灣,風雨也可能比梅雨鋒面弱很多 05/08 20:07
→ tcytc :這個颱風要有什麼奇蹟真的得靠神蹟出現了XDD 05/08 20:09
推 snocia :如果來的話,花東的雨大概不會比花東的梅雨鋒面小 05/08 20:27
→ snocia :太多,蓋花東的梅雨本來就不強… 05/08 20:28
推 logdog :只要還是颱風 發警報的工作量是差不多的 除非降到TD 05/08 20:56
→ logdog :所以CWB應該是有自己的想法 不是要躲民眾 05/08 20:56
推 logdog :JMA又改預報了 不侵台了? 05/08 21:07
推 web2312 :過去幾小時02W仍持續向東移動... 05/08 21:09
推 logdog :看起來侵台機率正在降低...是好事 05/08 21:14
推 logdog :說真的 這次氣象局真的好準..... 05/08 21:15
推 logdog :JTWC不堅持了 往東掰掰了 05/09 00:17
推 SWW :中心南方的出現強對流~我記得那會影響重整? 05/09 00:59
推 logdog :LLCC已經嚴重裸露 看來是掰掰了 05/09 01:18
→ logdog :一天內降格為TD的機會很大 05/09 01:18
推 web2312 :昌鴻剛剛因中心嚴重外露 送往急救無效 於8點45分院方 05/09 09:06
→ web2312 :已正式宣布死亡消息...昌鴻一路好走... (誤) 05/09 09:08
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颱風
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