屯門黃金海岸驚現水龍捲?半空罕見「龍吸水」漏斗雲奇景

文: 溫藹紅
2023.12.12

香港出現水龍捲?日前(11日)有市民在社交平台上傳一張疑為水龍捲的相片,該處地點為屯門黃金海岸一帶,出現一條雲柱,屬罕見「漏斗雲」奇景,引來網民熱議。

有屯門街坊日前(11日)透過社交平台群組,分享一張疑似水龍捲的相片。從相中所見,在屯門黃金海岸不遠處,可以見到半空中出現一條雲柱,外形猶如漏斗般,亦即俗稱的「漏斗雲」,疑為水龍捲。不過現象的確實發生時間及地點,則暫時未可得知。

根據香港天文台資料,水龍捲是一條快速旋轉、夾雜着水滴的雲柱,由對流雲的底部連接着水面。水龍捲的風速一般較陸地上的龍捲風為低。由於水龍捲有時能將水吸起,它也俗稱為「龍吸水」。

其中較為常見的水龍捲,是在相對良好的天氣下發生,和雷暴沒有直接關係。這類水龍捲通常發生在快速發展的濃積雲底下,源自對流雲之下沉氣流到達海面後,會向外擴散造成冷外散氣流。這類水龍捲的生命週期和移動路徑都較短,一般不會持續超過二十分鐘。此外,當它們登上陸地後,便迅速消散,很少會深入內陸。

資料及圖片來源:FB@真.屯門友FB@香港交通及突發事故報料區香港天文台

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