Damansara mini tornado caused by active thunderstorm clouds, says MetMalaysia

The mini tornado in Damansara was caused by thunderstorm clouds, specifically cumulonimbus, according to MetMalaysia.

Tornadoes in Malaysia are rare, small-scale events that are challenging to detect by radar.

Landspouts and waterspouts typically occur during monsoon transitions due to unstable atmospheric conditions.

KUALA LUMPUR, Oct 14 — The mini tornado or landspout that struck Damansara, Selangor, yesterday evening was caused by active thunderstorm clouds (cumulonimbus), said Malaysian Meteorological Department (MetMalaysia) director-general Dr Mohd Hisham Mohd Anip.

He said a tornado is a fast-rotating column of air, formed by the presence of wind shear and updrafts during the development of thunderstorm clouds.

Mohd Hisham said tornadoes in Malaysia occur only on a relatively small scale, measuring less than 10 metres and lasting for a very short time.

“This makes their formation difficult to detect by radar and weather satellites, but MetMalaysia had issued a thunderstorm warning for districts in Selangor at 5.30pm on October 13,” he told Bernama today.

Mohd Hisham said landspouts, tornadoes over land and waterspouts over the sea occur frequently during the monsoon transition phase, from March to May and September to October.

He said the phenomenon is caused by unstable, humid atmospheric conditions, along with weak winds blowing from multiple directions.

Yesterday, social media users shared several videos showing the tornado as vehicles were stopped at a toll plaza, with strong winds appearing to lift the rear end of a vehicle off the ground. — Bernama

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据马来西亚气象局称，达曼萨拉的小型龙卷风是由雷暴云，特别是积雨云引起的。

马来西亚的龙卷风是罕见的小规模事件，很难用雷达探测到。

陆龙卷和水龙卷通常在季风过渡时期由于大气条件不稳定而发生。

吉隆坡，10 月 14 日——马来西亚气象局 (MetMalaysia) 总干事 Mohd Hisham Mohd Anip 博士表示，昨天晚上袭击雪兰莪州白沙罗的小型龙卷风或陆龙卷是由活跃的雷暴云（积雨云）引起的。

他说，龙卷风是由雷暴云发展过程中风切变和上升气流共同作用形成的快速旋转的空气柱。

莫哈末·希沙姆表示，马来西亚的龙卷风规模相对较小，直径不到10米，持续时间也很短。

“这使得雷达和气象卫星难以探测到它们的形成，但马来西亚气象局已于10月13日下午5点30分对雪兰莪州部分地区发布了雷暴警告，”他今天告诉马新社。

莫哈末·希沙姆表示，陆龙卷、陆地龙卷风和海上水龙卷在季风过渡阶段（3月至5月和9月至10月）频繁发生。

他表示，这种现象是由不稳定、潮湿的大气条件以及来自多个方向的微弱风造成的。

昨天，社交媒体用户分享了多段视频，显示龙卷风肆虐，车辆在收费站停下，强风似乎将一辆车的尾部掀离地面。——马新社

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警方称，一名男子驾驶SUV在巴生港的铁轨上行驶了130米，马来西亚铁道公司（KTMB）正在调查此事。

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