TYPHOON SURIGAE ADVISORY NO. 01

Issued at: 7:30 AM PhT (23:30 GMT) Friday, 16 April 2021
Next update: 7:00 PM PhT (11:00 GMT) Friday, 16 April 2021
Current Status & Outlook SURIGAE is now entering the southeastern border of the Philippine Area Responsibility (PAR) and has been upgraded into a Typhoon. It will be locally known later as “BISING” and is likely to pose a threat to Eastern Visayas and Bicol Region this weekend.

24-hr Outlook: TY SURIGAE is forecast to accelerate, west-northwestward across the southern portion of the Central Philippine Sea at an increased forward speed of 16 km/hr. This cyclone could become a Category 2 Typhoon by early tomorrow morning with winds of 165 km/hr.

Where is SURIGAE? As of 5:00 AM PhT today, April 16…2100 GMT:

  • Location of Center/Eye: Near the Southeastern Border of the PAR (near 8.9°N 135.2°E)
  • Distance 1: 1,067 km east of Surigao City, Surigao Del Norte
  • Distance 2: 1,064 km east-southeast of Guiuan, Eastern Samar
  • Distance 3: 1,308 km east-southeast of Virac, Catanduanes
How strong is it? Maximum Sustained Winds (1-min avg): 120 kph near the center…Gustiness: 150 kph.
Past Movement (06 hrs) West-Northwest @ 06 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 EARLY MORNING: Intensifies into a Category 2 Typhoon (TY) as it accelerates WNW across the southern portion of the Central Philippine Sea…about 746 km E of Surigao City, Surigao Del Norte [2AM Apr 17: 10.0°N 132.3°E @ 165 kph].  Confidence Level: HIGH
  • SUNDAY EARLY MORNING: Intensifies further to a Category 3 TY as it maintains its WNW track across the Central Philippine Sea, moving closer to the eastern coast of Samar Island…about 325 km ENE of Guiuan, Eastern Samar [2AM Apr 18: 12.1°N 128.5°E @ 195 kph].  Confidence Level: HIGH
  • MONDAY EARLY MORNING: Slows down as it nears Super Typhoon (STY) classification, starts to move northward near the eastern coast of Catanduanes…about 214 km E of Bato, Catanduanes  [2AM Apr 19: 13.5°N 126.3°E @ 220 kph].  Confidence Level: MEDIUM

**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 600 mm [Light to Extreme]
  • Minimum Central Pressure: 980 millibars (hPa)
  • Size of Rain Circulation (in Diameter): Average (965 km)
  • Size of Wind Circulation (55-kph Wind Diameter): Average (560 km)
  • Area of Damaging Winds (100 kph or more wind gusts): 70 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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