MANILA, Philippines – 'Bagyong Bising' moves north-northwestward over the Philippine Sea east of Mainland Cagayan Valley, state weather bureau PAGASA announced in its 5:00 am bulletin on Wednesday, April 21, 2021.
It will continue the current track until tonight or tomorrow (April 22) early morning, when the typhoon will be nearest to the landmass of Northern Luzon.
Afterwards, the typhoon will move northeastward away from the landmass throughout tomorrow and east northeastward on Friday (April 23) and Saturday (April 23). The typhoon is forecast to exit the Philippine Area of Responsibility on Saturday evening or Sunday (April 25) morning.
'Bagyong Bising' is forecast to gradually weaken throughout the remainder of the forecast period. It is likely to be downgraded to severe tropical storm category by Saturday and tropical storm category by Sunday.
At 4:00 am today, the center of the eye of Typhoon 'Bising' was located based on all available data at 395 km East of Tuguegarao City, Cagayan. It has maximum sustained winds of 175 km/h near the center and gustiness of up to 215 km/h. The typhoon is moving North Northwestward at 15 km/h.
Forecast Positions
TROPICAL CYCLONE WIND SIGNAL
TCWS No. 2 (61-120 km/h winds prevailing or expected in 24 hours)
Luzon
TCWS No. 1 (30-60 km/h winds prevailing or expected in 36 hours)
Luzon
Hazards affecting land areas
Severe Winds
Tropical cyclone winds of at least strong breeze to near gale in strength extend outward up to 440 km from the center of the typhoon. Destructive typhoon-force winds extend outward up to 90 km from the center of the typhoon.
In the next 24 hours, the northeasterly wind flow enhanced by the typhoon will also bring strong breeze to near gale conditions with higher gusts over the coastal and mountainous areas of Northern Luzon that are not under any TCWS.
Hazards affecting coastal waters
In the next 24 hours, under the influence of Typhoon 'Bising' and an enhanced northeasterly wind flow, the following sea conditions will be experienced over the coastal waters of the country:
Rough to high seas will be experienced over the northern and eastern seaboards of Luzon (2.5 to 9.0 m). Sea travel is risky for all types of seacrafts over these waters.
Rough to very rough seas over the western seaboards of Northern Luzon (2.8 to 4.5 m) and the northern and eastern seaboards of Northern Samar (2.5 to 4.5 m). Sea travel is risky for small seacrafts over these waters. Mariners without the proper experience should immediately seek safe harbor.
Moderate to rough seas over the western seaboard of Central Luzon, the remaining eastern seaboard of Eastern Visayas. and the eastern seaboard of Mindanao (1.5 to 3.0 m). Mariners of small seacrafts are advised not to venture out over these waters. Inexperienced mariners of these vessels should avoid navigating in these conditions.
About the typhoon
'Bising' entered PAR on Friday morning, April 17.
PAGASA predicts that 1–4 tropical cyclones are expected to form between April and June.
On average, there are 20 tropical cyclones that could form or enter the PAR each year. Only have of those are projected to make landfall.
— The Summit Express
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| Satellite image of Typhoon 'Bising' as of 6:20 am, April 21, 2021 | via DOST-PAGASA |
It will continue the current track until tonight or tomorrow (April 22) early morning, when the typhoon will be nearest to the landmass of Northern Luzon.
Afterwards, the typhoon will move northeastward away from the landmass throughout tomorrow and east northeastward on Friday (April 23) and Saturday (April 23). The typhoon is forecast to exit the Philippine Area of Responsibility on Saturday evening or Sunday (April 25) morning.
'Bagyong Bising' is forecast to gradually weaken throughout the remainder of the forecast period. It is likely to be downgraded to severe tropical storm category by Saturday and tropical storm category by Sunday.
At 4:00 am today, the center of the eye of Typhoon 'Bising' was located based on all available data at 395 km East of Tuguegarao City, Cagayan. It has maximum sustained winds of 175 km/h near the center and gustiness of up to 215 km/h. The typhoon is moving North Northwestward at 15 km/h.
Forecast Positions
- 24 Hour (Tomorrow morning): 330 km East of Calayan, Cagayan
- 48 Hour (Friday morning): 440 km East of Basco, Batanes
- 72 Hour (Saturday morning): 900 km East Northeast of Extreme Northern Luzon (OUTSIDE PAR)
- 96 Hour (Sunday morning): 1,445 km East of Extreme Northern Luzon (OUTSIDE PAR)
- 120 Hour (Monday morning): 2,160 km East Northeast of Extreme Northern Luzon (OUTSIDE PAR)
TROPICAL CYCLONE WIND SIGNAL
TCWS No. 2 (61-120 km/h winds prevailing or expected in 24 hours)
Luzon
- the eastern portion of Cagayan (Santa Ana, Gonzaga, Baggao, Gattaran, Lal-Lo, Peñablanca, Santa Teresita, Buguey) the eastern portion of Isabela (Maconacon, Divilacan, Palanan)
TCWS No. 1 (30-60 km/h winds prevailing or expected in 36 hours)
Luzon
- Batanes
- the rest of Cagayan including Babuyan Islands
- the rest of Isabela
- Quirino
- Apayao
- the eastern portion of Kalinga (Rizal, Tabuk City, Pinukpuk, Tanudan)
- the eastern portion of Mountain Province (Paracelis, Natonin)
- the eastern portion of Ifugao (Alfonso Lista, Aguinaldo)
- the northern and central portion of Aurora (Dipaculao, Baler, Dinalungan, Casiguran, Dilasag)
- Polillo Islands
- the northern portion of Camarines Norte (Capalonga, Jose Panganiban, Paracale, Vinzons, Talisay, Daet, Mercedes, Basud)
- the northeastern portion of Camarines Sur (Siruma, Tinambac, Lagonoy, Garchitorena, Caramoan)
- the northern portion of Catanduanes (Caramoran, Viga, Gigmoto, Panganiban, Bagamanoc, Pandan)
Hazards affecting land areas
Severe Winds
Tropical cyclone winds of at least strong breeze to near gale in strength extend outward up to 440 km from the center of the typhoon. Destructive typhoon-force winds extend outward up to 90 km from the center of the typhoon.
In the next 24 hours, the northeasterly wind flow enhanced by the typhoon will also bring strong breeze to near gale conditions with higher gusts over the coastal and mountainous areas of Northern Luzon that are not under any TCWS.
Hazards affecting coastal waters
In the next 24 hours, under the influence of Typhoon 'Bising' and an enhanced northeasterly wind flow, the following sea conditions will be experienced over the coastal waters of the country:
Rough to high seas will be experienced over the northern and eastern seaboards of Luzon (2.5 to 9.0 m). Sea travel is risky for all types of seacrafts over these waters.
Rough to very rough seas over the western seaboards of Northern Luzon (2.8 to 4.5 m) and the northern and eastern seaboards of Northern Samar (2.5 to 4.5 m). Sea travel is risky for small seacrafts over these waters. Mariners without the proper experience should immediately seek safe harbor.
Moderate to rough seas over the western seaboard of Central Luzon, the remaining eastern seaboard of Eastern Visayas. and the eastern seaboard of Mindanao (1.5 to 3.0 m). Mariners of small seacrafts are advised not to venture out over these waters. Inexperienced mariners of these vessels should avoid navigating in these conditions.
About the typhoon
'Bising' entered PAR on Friday morning, April 17.
PAGASA predicts that 1–4 tropical cyclones are expected to form between April and June.
On average, there are 20 tropical cyclones that could form or enter the PAR each year. Only have of those are projected to make landfall.
— The Summit Express
