MetMalaysia issues alert on squall line storms bringing flash floods, strong winds
MetMalaysia said the phenomenon could cause heavy rain that may result in flash floods, accompanied by strong winds, thunder and lightning, as well as rough and choppy seas.
'The squall line is a group of active thunderstorm clouds that form a line at sea and move inland. It is dangerous to aviation and shipping operations and can cause damage to property and public facilities.
'Normally, it occurs during the current season, which is the Southwest Monsoon, and it often happens in the morning and evening in western Peninsular Malaysia, Sabah and Sarawak,' MetMalaysia posted on Facebook today.
When this phenomenon occurs, the public is advised to stay in a safe place, avoid sea or beach activities, and move to higher ground if floods occur.
Signs of a squall line include the formation of thick, towering banded clouds approaching from the sea, a sudden increase in wind speed turning into gale force, and a rapid drop in temperature.
According to MetMalaysia, the length of a squall line can reach hundreds of kilometres, with a lifespan of up to several hours. — Bernama
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