熱帶低壓可能成颱,南部東半部防雨~2014/06/14 - 颱風討論

By Zora
at 2014-06-14T07:47
at 2014-06-14T07:47
Table of Contents
經過一夜整合,熱帶低氣壓北側的環流空缺有逐漸修補的現象,
原本在東半圈的對流雲團慢慢被拉向北半圈,整體雲層外觀組織也比昨天要完整許多,
雖然還是北弱南強,不過已經比先前改善,顯示這個系統仍有發展的趨勢。
實際觀測方面,中心附近的東沙島平均風逐漸加強,大約在3~5級左右,
陣風還不明顯,大約6級,氣壓相當低,已經降到995百帕左右,
位於較外圍的東沙島浮標則持續觀測到較強的陣風,大概有7~9級不等,
看起來這個系統已經慢慢具有接近輕度颱風門檻的強度。
由模式預報資料顯示,這個熱帶低壓可能在打轉後逐漸向北到北北東方向移動,
大致趨向福建沿海一帶,有可能對金門地區產生較直接的威脅性,
若形成颱風,則有機會發布金門地區的海陸警報,
另外就是澎湖也可能因為較為接近的關係被納入警報範圍,台灣本島則還有待觀察。
警報發布的時間仍要看升格為颱風的時間點以及是否會達到發布標準而定,
海警發布的標準是24小時內颱風暴風圈有機會接近到100公里以內近海時發布,
陸警的標準則是18小時內颱風暴風圈有機會影響陸地時才會發布,
因此是否會馬上發布警報還是要看形成後的預測移動速度來決定。
熱帶低壓外圍環流正持續影響南部及花東一帶的天氣,
今天將有陣雨,並且有較大的累積雨量,可能達到豪雨等級,
中部、北部到東北部一帶也有短暫陣雨,降雨量相對較少,
但是要小心午後熱對流發展後向北擴散可能帶來的較大雨勢。
沿海的風浪也逐漸增強中,提醒大家盡量避免前往海邊活動以策安全。
最後請大家持續關注,看看它是否會在今天成為今年第7號颱風哈吉貝,
(菲律賓命名,意思為"迅速")
以上簡單供參考囉~
--
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颱風
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