Typhoon ‘Bising’ slightly weakens as it moves north

Published April 20, 2021, 12:20 AM

by Ellalyn De Vera-Ruiz

Moderate to heavy with at times intense rains may persist over Bicol region and Northern Samar within 24 hours, as typhoon Bising’s outer rainbands hover in the eastern portion of Luzon and Visayas.

(PAGASA / MANILA BULLETIN)

In the 11 p.m. severe weather bulletin issued by the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), Bising has weakened slightly with maximum sustained winds of 185 kilometers per hour (kph) near the center and gustiness of up to 230 kph.

The center of the eye of the typhoon was located 500 kilometers east of Infanta, Quezon around 10 p.m.

PAGASA warned of possible flooding or flash floods and rain-induced landslides in areas that are highly susceptible to these hazards.

While storm signals in some areas have been lifted or downgraded, several areas remained under Signal No. 2 and Signal No. 1 on Monday evening.

Catanduanes, eastern portion of Camarines Sur, eastern portion of Albay, northeastern portion of Sorsogon, and extreme northwestern and eastern portions of Northern Samar remained under Signal No. 2.

Signal No. 1 was up in Batanes, Cagayan including Babuyan Islands, Isabela, Quirino, Apayao, eastern portion of Kalinga, extreme eastern portion of Mountain Province, extreme eastern portion of Ifugao, northern portion of Aurora, eastern portion of Quezon including Polillo Islands, Camarines Norte, rest of Camarines Sur, rest of Albay, rest of Sorsogon, Masbate including Burias and Ticao Islands, rest of Northern Samar, Samar, Eastern Samar, Biliran, and northern portion of Leyte.

In the next 24 hours, PAGASA said the northeasterly wind flow enhanced by the typhoon will also bring strong breeze to near-gale conditions with higher gusts over the rest of Northern Luzon, and the rest of Aurora, and the rest of Quezon that are not under any tropical cyclone wind signal.

PAGASA said such conditions are more likely to occur in the coastal and mountainous areas.

Bising may also trigger “very rough to high seas” over the northern and eastern seaboards of Luzon with wave heights up to 4.5-10.0 meters (m) and “rough to high seas” over the northern and western seaboards of northern Luzon (2.8-4.5 m)

Rough seas may also prevail over the eastern seaboards of Caraga and Davao Oriental and the remaining coasts of areas with storm signals (2.5-4.0 m).

“Sea travel is risky for all types of seacrafts over these waters,” PAGASA said.

Projected track and intensity

Typhoon Bising is expected to continue to move generally north or north-northwest until Wednesday evening, April 21, or Thursday morning, April 22, PAGASA said.

(PAGASA / MANILA BULLETIN)

Afterward, the typhoon will begin to move away from the country northeastward by Thursday and east-northeastward to eastward by Friday, April 23 until Saturday, April 24.

PAGASA said the typhoon will likely maintain its current intensity in the next 12 to 24 hours before gradually weakening throughout the remainder of the forecast period.

Bising will likely be at 370 km east of Casiguran, Aurora by Tuesday evening; 315 km east of Aparri, Cagayan by Wednesday evening; 350 km east of Basco, Batanes by Thursday evening; 740 km east-northeast of Basco by Friday evening; and 1,255 km east-northeast of extreme northern Luzon by Saturday evening.

 
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