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Chan-Hom (02W) Hits Northern Philippines

May 8th, 2009 Category: Tropical Cyclones

Track of Tropical Storm 02W (Chan-Hom) - May 8th, 2009

Track of Tropical Storm 02W (Chan-Hom) - May 8th, 2009

TS 02W © JTWC

TS 02W

Chan-Hom (02W) has been downgraded from a typhoon to a tropical storm. It is now located approximately 275 nautical miles northeast of Manila, Philippines, after tracking east-northeastward at 14 knots over the past six hours. Maximum significant wave height is 10 feet.

Before losing strength, Chan-Hom pummelled the northern Philippines, hitting the northern province of Pangasinan late Thursday with maximum winds of 150 kilometres per hour and gusts of up to 185 kph.

Aat least five people were killed in landslides, by drowning and in other accidents, reported disaster relief officials, and others were injured or have been reported missing. The typhoon also caused blackouts and damage to buildings.

Chan-Hom struck the Philippines a few days after typhoon Kujira battered eastern provinces, killing 27 people and damaging more than 9 million dollars worth of crops, livestock and fisheries.

According to the Weather Bureau, Chan-Hom weakened as it made landfall and continued to move north-east at 15 kph. Its maximum winds dropped to 95 kph and gusts of up to 120 kph.

Recent animated multispectral imagery shows a poorly organized low level circulation center (LLCC) with deep convection sheared towards the East with a strong poleward outflow channel. An AMSU-B image shows a well defined LLCC with deep convective banding far to the East of the center.

Upper level analysis indicates the system is in an area of moderate to high vertical wind shear and to the north of the upper-level subtropical ridge axis. Chan-Hom is currently under the steering influence of a low- to mid-level near-equatorial ridge to the Southeast.

The system is expected to come under the influence of a low-level midlatitude ridge to the northeast after TAU 24. The system will then start to track to the north under the new influence and is expected to be out of the Philippines by Sunday.

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