Coastal Flood Advisory

Tropical depression to unleash heavy rain, mudslides on Philippines into Wednesday

By Courtney Spamer, AccuWeather meteorologist
By Eric Leister, AccuWeather senior meteorologist
February 14, 2018, 11:51:58 AM EST

A tropical depression will threaten the Philippines with flooding rain and locally damaging winds into Wednesday.

Tropical Depression Sanba, known as Basyang in the Philippines, has already produced heavy rainfall in southern and central parts of the Philippines.

Four people were killed in a mudslide triggered by heavy rainfall Tuesday morning, according to the Gulf Times.

Depression Sanba 5 am Wed Static

The storm made landfall in Cortes in the province of Surigao del Sur on Tuesday morning, local time.

The most widespread threat from the storm will continue to be heavy rainfall which can produce flooding and mudslides.

Widespread rainfall of 100-200 mm (4 to 8 inches) had fallen as of Tuesday evening, local time throughout much of southern Visayas and northern Mindanao.

Total rainfall amounts of 200-300 mm (8 to 12 inches) are expected in these areas with locally higher amounts in the heaviest and steadiest bands.

"The heavy, tropical rainfall will bring dangerous flash flooding and raise the risk for mudslides" said AccuWeather Meteorologist Jake Sojda.

In addition to heavy rain, strong gusts of wind could bring localized damage along the path of the storm from northern Mindanao into the southern Visayas. Wind gusts of 80-95 km/h (50-60 mph) my cause sporadic power cuts and down some trees.

Sanba will continue westward bringing the worst impacts to Palawan on Wednesday as conditions begin to improve across Mindanao and Visayas.

Philippines AccuWeather Homepage
AccuWeather's Tropical and Hurricane Center
AccuWeather forecast for Davao City

This region is already weary from tropical activity after being hit with three tropical systems in the last two months. This includes Typhoon Tembin, which moved across the southern Philippines over Christmas time as a tropical storm, killing over 200 people.

Similarly to Tembin, Sanba is expected to continue tracking westward into the South China Sea. Depending on how much the land interaction has weakened Sanba, the storm may remain weak and dissipate as it crosses the South China Sea this week.

Some tropical moisture could still lead to enhanced rainfall across southern Vietnam and neighboring Cambodia this weekend.

AccuWeather meteorologists will continue to monitor the tropical activity in the Western Pacific Ocean Basin, providing additional updates in the upcoming days.

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