Thursday, March 27, 2008

It Was Raining Hailstones This Afternoon

It was gloomy all afternoon over in camp and I was kinda expecting the rain having brought along my raincoat. But it didn't rain and heaved a sigh of relief as the vehicle I'm driving needs to get its wipers replaced. Nevertheless, it did rain over in the central parts of Singapore.

The National Environment Agency confirmed that hailstones were reported in central Singapore between 3.15pm and 3.45pm. They were seen mainly in Bishan, Toa Payoh and Ang Mo Kio.

 







It's believed the hailstones fell for about 20 minutes before subsiding. The last hailstone incident was reported in July 2007.

Hailstones form in intense thunderstorm clouds. Such clouds develop when there is strong convection, which occur all year round in the tropics. Generally, the hailstones would have been melted before they reach the ground. However, in the presence of a strong downdraft in an intense thunderstorm, the hailstones can be brought to the ground rapidly without melting.

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