米塔遠颺,注意後續低壓影響~2014/06/11
原本位於琉球附近海面的熱帶低壓在今天下午被升格為今年第6號颱風米塔,
是由米克羅尼西亞群島所命名,為女性的名字,
從海平面的風場掃描來看,米塔的東側有40Kts的強風區,加上即將經過南大東島海域,
雖然它是否為熱帶系統有些爭議,JMA還是直接將它升格了,
預估米塔颱風將迅速順著槽前西南風往東北移動,趨向日本南方海面,
明天有逐漸變性為溫帶氣旋的趨勢,應該會是短命的小颱風,
對台灣的天氣沒有直接影響,但是對日本的影響頗大,
颱風外圍環流跟鋒面結合,將為日本東部帶來豪大雨,
加上颱風本身變性後的溫帶氣旋也會通過關東附近,
未來兩天日本東部、北部天氣恐怕都不太好。
米塔雖然迅速遠離,但是低壓帶仍然停留在台灣以南到南海一帶,
明後兩天周四、週五(12~13日)台灣仍位於低壓帶北側的範圍內,大致吹東北風,
迎風面地區包括雙北市、基隆北海岸、宜花東以及恆春半島等地有短暫陣雨,
其中基隆北海岸、台東及恆春半島一帶有出現局部較大雨勢的機會,
因為低壓帶北側有雲層往北移動的現象,
南部地區到了明天下半天以後也會有短暫陣雨或雷雨出現的情況
中北部山區午後則有熱對流發展並且往平地擴散,帶來午後雷雨,
整體來說天氣並不太穩定,各地都有些下雨的機會,
提醒大家外出時記得要攜帶雨具出門比較保險。
周末期間(14~15日)因為菲律賓東方的太平洋高壓逐漸西伸增強,
低壓帶位置可能逐漸往北移動,加上南海有另一個低壓擾動系統發展的趨勢,
水氣較為豐沛的不穩定帶將北上到台灣附近,
各地轉為有短暫陣雨或雷雨的天氣型態,
中午過後熱力作用加入,可能有局部大雷雨出現的機會,
如果假日要安排活動的話請特別注意天氣轉變的情況。
南海低壓的發展情況也值得密切注意,
如果它有較強的發展,甚至逐漸往台灣附近移動,
周末的天氣變化會相當大,請大家持續留意後續的變化情況。
以上簡單供參考囉~
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