Hot temperature during daytime causes 'stormy' afternoon — Pagasa (Weather)

September 17, 2009 11:30 am 

MANILA, Sept. 17 – Strong downpour, accompanied by rolling thunder and sharp lightning, experienced in the afternoon will be common even with the absence of tropical cyclones, the state weather bureau said.

"These weather occurrences are called thunderstorms, which can be experienced in the afternoon until evening," Rommel Yutuc, weather forecaster at the Philippine Atmospheric Geophysical and Astronomical Services Administration (Pagasa), said.

These happen when hot temperature causes precipitation of cumulunimbus clouds, or rainclouds reaching its heaviest as temperature rises, during late afternoon until early evening, when temperature drops.

This can be felt across the country in the coming days, he said.

Though strong and sudden, the periods of rain will be brief and momentary.

In some places, thunderstorm can trigger hailstorm and tornado. Dangers of thunderstorm include lightning and flashflood.

Areas to experience similar weather are eastern Luzon, Visayas and Mindanao, he said.

No low pressure area is seen anywhere near the country, but a supertyphoon is churning in the sea, named Choi-Wan.

"It's too far. It will not affect any part of the country," he said.

Choi Wan is heading for Japan, and will not impact the country unless for enhanced southwest monsoon. (PNA)

DCT/MPC

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