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Heaviest rainfall in 40 years triggers flash flooding in Singapore


Heavy downpour caused flash flooding in Singapore on Saturday, April 17, 2021, with up to 161.4 mm (6.3 inches) of rain recorded in the western region from 04:25 to 07:25 UTC (12:25 to 15:25 LT). The amount was equivalent to 91 percent of the country's average April rain and is among the highest in 40 years.

Prolonged rainfall on Saturday inundated the country, particularly the western and central areas. Since afternoon, Singapore's National Water Agency (PUB) had been issuing flood risk warnings for more than 20 areas, including Sime Darby Centre, Bukit Timah Canal (Leng Kwang Baptist Church), and Ulu Pandan Canal.

While traffic remained passable in affected areas, it made difficult driving conditions for motorists. Authorities quickly responded to the locations to help drivers, as well as pedestrians.

Heavy rains also caused water levels in some drains and canals to surpass 90 percent of their capacity.

The heaviest amounts were recorded in the western region, where as much as 161.4 mm (6.3 inches) fell in a three-hour period. This was among the highest amounts recorded in the country in 40 years and corresponds to 91 percent of the average April rain.

Singapore's meteorological service said more rain is expected over the next two weeks. 

Featured image credit: @Wee_peng.eats


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