Typhoon BISING (SURIGAE) Advisory No. 14

The typhoon’s westernmost rainbands will continue to bring overcast skies with passing “on-&-off” rain showers, severe thunderstorms and gusty winds (with the help of the NE Windflow) across Batanes & Babuyan Island Group.

24-hr Outlook: TY BISING (SURIGAE) is forecast to accelerate further northeastward at a speed of 20 km/hr across the northern part of the North Philippine Sea. This cyclone is expected to continue weakening rapidly within the next 12 to 24 hours.

• Location of Center/Eye: Along the southwesternmost portion of the Central Philippine Sea (near 20.5°N 125.9°E)
• Distance 1: 406 km east of Basco, Batanes
• Distance 2: 452 km east-northeast of Santa Ana, Cagayan
• Distance 3: 543 km northeast of Tuguegarao City, Cagayan

• None

• None.

Damaging Winds (gusts of more than 100 km/hr expected):

• None. 

• Coastal Areas of Batanes & Cagayan – Today.

+Waves of 2 to 6 meters in height is expected in storm surge-prone areas, particularly in coastal areas on where the Tropical Cyclone is headed. Kindly visit the PAGASA Storm Surge Updates  for more details.

• FRIDAY AFTERNOON: Weakens rapidly to a Category 1 (TY) as it accelerates NE-ward across the northern portion of the North Philippine Sea, almost south of Okinawa, Japan…about 770 km ENE of Basco, Batanes [2PM Apr 23: 23.1°N 128.9°E @ 130 kph].  Confidence Level: HIGH
• SATURDAY AFTERNOON: Losing strength, just a Tropical Storm (TS) as moves ESE-ward across the eastern portion of the North Philippine Sea…about 1,040 km E of Basco, Batanes [2PM Apr 24: 22.0°N 131.9°E @ 85 kph].  Confidence Level: MEDIUM
• SUNDAY AFTERNOON: Maintains its strength as it begins extratropical transition outside of the Philippine Area of Responsibility (PAR)…about 1,612 km E of Basco, Batanes [2PM Apr 25: 21.5°N 137.5°E @ 85 kph].  Confidence Level: LOW
  

**Important Note: Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 2 and 3 Forecast Track have an average error of 100 and 250 km respectively… while the wind speed forecast error, averages 35 km/hr per day. Therefore, a turn to the left or right of its future track and changes in its wind speed must be anticipated from time to time.

• 24-hr. Rain Accumulation (across its circulation): 25 to 450 mm [Light to Extreme]
• Minimum Central Pressure: 950 millibars (hPa)
• Size of Rain Circulation (in Diameter): Medium (710 km)
• Size of Wind Circulation (55-kph Wind Diameter): Medium (780 km)
• Area of Damaging Winds (100 kph or more wind gusts): 155 km from the center.