TYPHOON BISING (SURIGAE) ADVISORY NO. 02

Issued at: 7:00 PM PhT (11:00 GMT) Friday, 16 April 2021
Next update: 7:00 AM PhT (23:00 GMT) Saturday, 17 April 2021
Current Status & Outlook Typhoon BISING (SURIGAE) continues to rapidly intensify as it starts to accelerate west-northwest across the open waters of the Philippine Sea…could affect Eastern Visayas and Bicol Region on Sunday through Tuesday (Apr 18-20).  

24-hr Outlook: TY SURIGAE is forecast to continue accelerating northwestward across the southern portion of the Central Philippine Sea at an increased forward speed of 19 km/hr. This cyclone could become a Category 3 Typhoon by tomorrow afternoon with winds of 185 km/hr.

Where is BISING (SURIGAE)? As of 5:00 PM PhT today, April 16…0900 GMT:

  • Location of Center/Eye: Along the northeastern portion of the South Philippine Sea (near 9.2°N 133.3°E)
  • Distance 1: 856 km east of Surigao City, Surigao Del Norte
  • Distance 2: 854 km east-southeast of Guiuan, Eastern Samar
  • Distance 3: 1,104 km east-southeast of Virac, Catanduanes
How strong is it? Maximum Sustained Winds (1-min avg): 150 kph near the center…Gustiness: 185 kph.
Past Movement (06 hrs) West-Northwest @ 15 kph, across the Philippine Sea
Potential Philippine Landfall Area(s)
  • None
What Philippine areas will be directly affected? Heavy to Extreme Rainfall (50 mm to >100 mm expected for 24 hrs):

  • None

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

  • None
Potential Storm Surge/Coastal Flooding Areas+
  • None

+Waves of 3 meters in height is expected in storm surge-prone areas, particularly in coastal areas on where the Tropical Cyclone is headedKindly visit the PAGASA Storm Surge Updates  for more details.

3-Day Forecast Outlook Summary**
  • SATURDAY AFTERNOON: Intensifies rapidly into a Category 3 Typhoon (TY) as it accelerates NW-ward across the southern portion of the Central Philippine Sea…about 500 km E of Guiuan, Eastern Samar [2PM Apr 17: 11.3°N 130.3°E @ 185 kph].  Confidence Level: HIGH
  • SUNDAY AFTERNOON: Intensifies further at near Super Typhoon (STY) classification [Category 4] as it turns WNW-ward closer to the east coast of Northern Samar…about 191 km NE of Borongan City, Eastern Samar [2PM Apr 18: 12.8°N 126.7°E @ 220 kph].  Confidence Level: MEDIUM
  • MONDAY AFTERNOON: Slows down as it turns NW-ward near the east coast of Catanduanes, weakens slightly…about 155 km ENE of Bato, Catanduanes  [2PM Apr 19: 14.0°N 125.7°E @ 215 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.

Other Storm’s Meteorological Information
  • 24-hr. Rain Accumulation (across its circulation): 25 to 500 mm [Light to Extreme]
  • Minimum Central Pressure: 975 millibars (hPa)
  • Size of Rain Circulation (in Diameter): Average (895 km)
  • Size of Wind Circulation (55-kph Wind Diameter): Average (950 km)
  • Area of Damaging Winds (100 kph or more wind gusts): 75 km from the center
Information based on data collected by Typhoon2000 (T2k) shall not be taken as official data. Weather information broadcasted and distributed by PAGASA remains as official data. Typhoon2000 (T2k) shall not be responsible for the private use and reliance of its weather information.

Issued by: David Michael V. Padua for Typhoon2000 (T2K)

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Typhoon2000 (T2K) Integrated Multi-Agency Tracks

For more info: http://www.typhoon2000.ph/multi/?name=SURIGAE

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PAGASA TROPICAL CYCLONE WIND SIGNAL

:: NONE ::

Image/Screenshot Source: DOST-PAGASA (http://pubfiles.pagasa.dost.gov.ph/tamss/weather/signals.jpg)

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