紅霞擦邊球,注意今晚鋒面降雨~2015/05/11 - 颱風討論

By Elma
at 2015-05-11T14:01
at 2015-05-11T14:01
Table of Contents
昨天到今天之間,紅霞颱風的變化大致都跟預期的差不多,
靠近呂宋島後北轉,掠過呂宋島東北角繼續偏北進入巴士海峽,
然後開始慢慢往北北東偏轉,今天白天期間離台灣最接近,
在台灣東南部海域掠過,預估今晚起進一步轉向東北移動,速度也會持續加快,
順利的話大概今晚就會解除海上颱風警報。
颱風強度的變化也都在掌握中,
靠近呂宋島時通過高海水熱焓的海域,威力明顯加強,摸到了強烈颱風門檻,
進入巴士海峽後環境轉差,強度逐漸減弱,
同時環流明顯縮小成子彈型颱風,強風豪雨的區域只剩下暴風圈範圍內,
而且東側又比西側要強,台灣位於可航安全半圓的外圍,
基本上颱風環流風場絕大部分都沒有明顯跟陸地產生交會,因此本島陸地的感受並不大,
只有花東、恆春半島有較多的降雨量,
外海上的綠島、蘭嶼一帶則是在暴風圈內,風雨最為明顯。
值得注意的是目前在大陸上的鋒面系統正在迅速往東南推進,
後面跟著一波頗為明顯的西風槽,
這一次太平洋高壓及時東退,讓紅霞成為擦邊球,正是因為這道槽線東移的關係,
槽前鋒面預估今晚靠近台灣,
鋒面北段較強的部份預估會跟紅霞颱風相連後迅速通過台灣以北,對台灣沒有影響,
但是鋒面南段的部分卻可能留下一個尾巴,並且南壓到台灣北部、華南沿海一帶,
雖然鋒面結構預估會被颱風破壞,但是鋒面尾端今晚到明天上午間通過時,
提醒中部、北部、東北部的朋友仍要留意是否出現局部較大雨勢的情況。
這波鋒面算是很可惜,如果沒有紅霞颱風的話,其實蠻有機會為台灣帶來明顯的雨勢,
因為它的結構完整,西風槽深厚,即使是一掃而過也預估會帶來一定程度的降雨量,
但是現在遇上紅霞颱風攪局,主要的降雨區就很難影響到台灣了,
而是跟颱風相連後影響琉球群島及日本一帶,
後天之後太平洋高壓又開始西伸進來,
中南部想要有降雨進帳,短期間內恐怕還是得期望午後雷雨能夠多下一點了.....
以上簡單供參考囉~
P.S PTT縮圖的網址不給過....Orz
--
靠近呂宋島後北轉,掠過呂宋島東北角繼續偏北進入巴士海峽,
然後開始慢慢往北北東偏轉,今天白天期間離台灣最接近,
在台灣東南部海域掠過,預估今晚起進一步轉向東北移動,速度也會持續加快,
順利的話大概今晚就會解除海上颱風警報。
颱風強度的變化也都在掌握中,
靠近呂宋島時通過高海水熱焓的海域,威力明顯加強,摸到了強烈颱風門檻,
進入巴士海峽後環境轉差,強度逐漸減弱,
同時環流明顯縮小成子彈型颱風,強風豪雨的區域只剩下暴風圈範圍內,
而且東側又比西側要強,台灣位於可航安全半圓的外圍,
基本上颱風環流風場絕大部分都沒有明顯跟陸地產生交會,因此本島陸地的感受並不大,
只有花東、恆春半島有較多的降雨量,
外海上的綠島、蘭嶼一帶則是在暴風圈內,風雨最為明顯。
值得注意的是目前在大陸上的鋒面系統正在迅速往東南推進,
後面跟著一波頗為明顯的西風槽,
這一次太平洋高壓及時東退,讓紅霞成為擦邊球,正是因為這道槽線東移的關係,
槽前鋒面預估今晚靠近台灣,
鋒面北段較強的部份預估會跟紅霞颱風相連後迅速通過台灣以北,對台灣沒有影響,
但是鋒面南段的部分卻可能留下一個尾巴,並且南壓到台灣北部、華南沿海一帶,
雖然鋒面結構預估會被颱風破壞,但是鋒面尾端今晚到明天上午間通過時,
提醒中部、北部、東北部的朋友仍要留意是否出現局部較大雨勢的情況。
這波鋒面算是很可惜,如果沒有紅霞颱風的話,其實蠻有機會為台灣帶來明顯的雨勢,
因為它的結構完整,西風槽深厚,即使是一掃而過也預估會帶來一定程度的降雨量,
但是現在遇上紅霞颱風攪局,主要的降雨區就很難影響到台灣了,
而是跟颱風相連後影響琉球群島及日本一帶,
後天之後太平洋高壓又開始西伸進來,
中南部想要有降雨進帳,短期間內恐怕還是得期望午後雷雨能夠多下一點了.....
以上簡單供參考囉~
P.S PTT縮圖的網址不給過....Orz
--
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颱風
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