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词汇 Snow devil
分类 英语词汇 英语翻译词典
释义

Snow devil

中文百科

海龙卷风 Waterspout

(重定向自Snow devil)
海龙卷
海龙卷群
Trombas de agua cerca de las Bahamas.
Tornado in der kanadischen Provinz Manitoba, 2007.

海龙卷风,也简称海龙卷,指发生在海上的龙卷风,由于特殊的气象条件,其持续时间比陆上龙卷风要长,强度也较大,但其直径比陆龙卷风略小。常以海龙卷群的方式出现。海龙卷一般的运动规律是以每小时50公里速度沿直线运动,运动过程中上部会因气流的原因向特定方向倾斜,同时会发生壮观的“龙吸水”景象。海龙卷的破坏力表现在它能把海上船只吸入其中,对航行影响较大,故号称“风霸王”。

海龙卷群生成过程依次是:

英语百科

Waterspout 海龙卷风

(重定向自Snow devil)
A waterspout near Florida. The two flares with smoke trails near the bottom of the photograph are for indicating wind direction and general speed.
Non-tornadic waterspouts seen from the beach at Kijkduin near The Hague, the Netherlands on 27 August 2006.
Tornadic waterspout on 15 July 2005 off the coast of Punta Gorda, Florida, caused by a severe thunderstorm.
A large winter waterspout over Lake Ontario, just off the shore of Whitby, Ontario on 26 January 1994.

A waterspout is an intense columnar vortex (usually appearing as a funnel-shaped cloud) that occurs over a body of water. They are connected to a towering cumuliform cloud or a cumulonimbus cloud. In the common form, it is a non-supercell tornado over water.

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