Tropical threat to create hazards from Philippines to Vietnam, Laos this week

By Kristina Pydynowski, AccuWeather senior meteorologist
By Eric Leister, AccuWeather senior meteorologist
July 16, 2018, 10:41:22 AM EDT

An organizing tropical threat will heighten the risk for flooding from the Philippines to Vietnam and Laos into midweek.

A tropical low churning over the Philippine Sea is expected to strengthen and may become the next tropical storm in the western Pacific Ocean in the coming days.

While not yet officially recognized by the Japan Meteorological Agency as a tropical cyclone, the Philippine government has given the storm the name Tropical Depression Henry.

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This tropical threat will bring flooding rain to northern Luzon Island in the Philippines early in the week and also southeastern China and northern Indochina as the week progresses.

The extent of the risk for damaging winds will hinge on how strong the storm becomes. Rough seas will also be stirred and create dangers for boaters as the storm strengthens.

Mudslides may further endanger lives and property in the mountains.

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"Regardless of strengthening, southwestern Luzon will face the risk for flooding through midweek from a plume of monsoonal moisture feeding into the region," AccuWeather Senior Meteorologist Dave Houk said.

Residents in Manila will have to remain vigilant for flooding to quickly inundate parts of the capital and bring travel to a halt for a time.

Remember to avoid a potentially deadly situation by never driving or walking through flood waters.

As this storm tracks westward, the concern for flooding and local damaging winds will shift into Hainan Island Tuesday night into Wednesday morning.

A continued westward track will then bring the greatest risk for impacts to northern Vietnam and Laos late Wednesday into Thursday.

All residents at risk for impacts from this budding storm are urged to closely monitor its progress. Be sure to follow the advice of local government and heed any evacuation orders in the coming days. Keep gas tanks filled and cell phones fully charged.

"In the longer range, conditions will remain favorable for tropical development over the northwestern Pacific through the end of July," AccuWeather Senior Meteorologist Jason Nicholls said. "There will be the chance of development later next week and next weekend to the east of the Ryukyu Islands."

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