0220-0223天氣說明 - 高雄

By Victoria
at 2022-02-20T11:40
at 2022-02-20T11:40
Table of Contents
220-0223天氣說明
說明天氣前,先來氣象科普一下,什麼是寒流?
中央氣象局目前寒流採用的定義,是以臺北站觀測到當日的最低氣溫做為天氣系統的認定
,當氣溫低於10℃以下時,影響之天氣系統視為達到「寒流」
所以雖然去年曾經有過其他縣市低於10度低溫,不過都不認定為寒流,只有這一次(可能)
會達標,預估是今天深夜到明天清晨,是這一波冷空氣最強的時候
當時在其他縣市發生10度低溫,
而臺北仍未低於10度,主要原因區在於地型,因為外縣市的平地多,當時的雲量稀薄,輻
射冷卻強烈
但是臺北市因為是盆地地型,加上都市內許多建築,又有熱島效應,不利於輻射冷卻,所
以才產生外縣市有10度低溫,但臺北市還高於10度
0220持續受到大陸冷氣團及華南雲雨帶東移影響,臺南以北各地方,持續陰雨綿綿,臺南
以南地方清晨就轉為多雲到陰的天氣狀況,臺南以北的地區,降雨為主的天氣型態,可以
維持到0223,0223下午除了臺北-宜蘭以外地區,其餘地方將逐漸放晴。
臺南、高雄、屏東就比較妙了,目前高雄、屏東目前降雨已停,臺南市為多雲偶小雨的狀
況,
下午還是可以維持這樣相對緩和的狀況,不過0220傍晚開始,冷空氣勢力增強,臺南、高
雄、屏東入夜還是會轉為下雨為主的型態,
並且持續到0221白天,近中午又好轉,下午可以維持一段不下雨的狀況,入夜又開始有雨
,這樣的模式維持到0222深夜
0223清晨,由於700hPa空層的強風區(專業術語叫低層噴流)接近,在海峽南部將有旺盛對
流發展,預計0223清早臺灣西半部地區都將有大雨,偶有雷聲,也許會是今年的春雷,就
期待看看吧,
預計0223下午除了臺北-宜蘭以外地區,其餘地方將逐漸放晴。
綜上,0220-0223臺南以北就是以下雨為主的天氣,臺南、高雄、屏東一帶則是近中午短
暫放晴,但是傍晚又開始下雨
0223清晨西半部各地降雨強度會再增強,當天上班請多加小心
外出請記得攜帶雨具,留意交通安全,並且攜帶外套,臺南以北風速較強,可能戴個帽子
避免頭疼。
以上言論僅供討論,氣象預報請以氣象局為主,有什麼方面沒講到或建設的事項,歡迎下
面留言討論
--
說明天氣前,先來氣象科普一下,什麼是寒流?
中央氣象局目前寒流採用的定義,是以臺北站觀測到當日的最低氣溫做為天氣系統的認定
,當氣溫低於10℃以下時,影響之天氣系統視為達到「寒流」
所以雖然去年曾經有過其他縣市低於10度低溫,不過都不認定為寒流,只有這一次(可能)
會達標,預估是今天深夜到明天清晨,是這一波冷空氣最強的時候
當時在其他縣市發生10度低溫,
而臺北仍未低於10度,主要原因區在於地型,因為外縣市的平地多,當時的雲量稀薄,輻
射冷卻強烈
但是臺北市因為是盆地地型,加上都市內許多建築,又有熱島效應,不利於輻射冷卻,所
以才產生外縣市有10度低溫,但臺北市還高於10度
0220持續受到大陸冷氣團及華南雲雨帶東移影響,臺南以北各地方,持續陰雨綿綿,臺南
以南地方清晨就轉為多雲到陰的天氣狀況,臺南以北的地區,降雨為主的天氣型態,可以
維持到0223,0223下午除了臺北-宜蘭以外地區,其餘地方將逐漸放晴。
臺南、高雄、屏東就比較妙了,目前高雄、屏東目前降雨已停,臺南市為多雲偶小雨的狀
況,
下午還是可以維持這樣相對緩和的狀況,不過0220傍晚開始,冷空氣勢力增強,臺南、高
雄、屏東入夜還是會轉為下雨為主的型態,
並且持續到0221白天,近中午又好轉,下午可以維持一段不下雨的狀況,入夜又開始有雨
,這樣的模式維持到0222深夜
0223清晨,由於700hPa空層的強風區(專業術語叫低層噴流)接近,在海峽南部將有旺盛對
流發展,預計0223清早臺灣西半部地區都將有大雨,偶有雷聲,也許會是今年的春雷,就
期待看看吧,
預計0223下午除了臺北-宜蘭以外地區,其餘地方將逐漸放晴。
綜上,0220-0223臺南以北就是以下雨為主的天氣,臺南、高雄、屏東一帶則是近中午短
暫放晴,但是傍晚又開始下雨
0223清晨西半部各地降雨強度會再增強,當天上班請多加小心
外出請記得攜帶雨具,留意交通安全,並且攜帶外套,臺南以北風速較強,可能戴個帽子
避免頭疼。
以上言論僅供討論,氣象預報請以氣象局為主,有什麼方面沒講到或建設的事項,歡迎下
面留言討論
--
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