Tropical Cyclone Bulletin #26

Typhoon "Aghon"

Issued at 11:00 am, 27 May 2024
(Valid for broadcast until the next advisory to be issued at 5:00 PM today)

  • Heavy Rainfall Outlook
  • Typhoon AGHON is less likely to directly bring significant amount of rainfall within the next three days.
  • The Southwesterly Windflow enhanced by this typhoon will bring moderate to heavy rains over Western Visayas and portions of MIMAROPA in the next two days. For more information, refer to Weather Advisory No. 2 for Southwesterly Windflow issued at 11:00 AM today.
  • Severe Winds 
  • The wind signals warn the public of the general wind threat over an area due to the tropical cyclone. Local winds may be slightly stronger/enhanced in coastal and upland/mountainous areas exposed to winds. Winds are less strong in areas sheltered from the prevailing wind direction.
  • Minor to moderate impacts from gale-force winds are possible within any of the localities where Wind Signal No. 2 is hoisted.
  • Minimal to minor impacts from strong winds are possible within any of the areas under Wind Signal No. 1.
  • Under the influence of AGHON, a Gale Warning is hoisted over the coastal waters of Cagayan (southern portion), Isabela, Aurora, and the northern coastal waters of Quezon including Polillo Islands. Sea travel is risky for small seacrafts, including all motorbancas of any type of tonnage. For more information, refer to Gale Warning No. 4 issued at 5:00 AM today.
  • Outside the Gale Warning areas, AGHON will bring moderate to rough seas (1.5 to 3.0 m) over the eastern coastal waters of Cagayan and the northern coastal waters of Bicol Region. Mariners of motor bancas and similarly-sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigating in these conditions, especially if inexperienced or operating ill-equipped vessels.
  • On the track forecast, Typhoon AGHON will move generally northeastward over the Philippine Sea for the entirety of the forecast period. It may exit the Philippine Area of Responsibility (PAR) on Wednesday afternoon or evening as a typhoon.
  • AGHON will continue to intensify over the next two days as it moves northeastward over the Philippine Sea. A weakening trend may begin on mid or late Wednesday as the typhoon begins interacting with the mid-latitude environment and undergo post-tropical transition.
Location of Eye/center

The center of the eye of Typhoon AGHON was estimated based on all available data including those from Baler and Daet Doppler Weather Radars 100 km East Southeast of Casiguran, Aurora (16.0 °N, 123.0 °E )


Moving Northeastward at 10 km/h


Maximum sustained winds of 140 km/h near the center and gustiness of up to 170 km/h

Forecast Position
  • May 27, 2024 08:00 PM - 225 km East Southeast of Tuguegarao City, Cagayan
  • May 28, 2024 08:00 AM - 460 km East of Calayan, Cagayan
  • May 28, 2024 08:00 PM - 700 km East of Basco, Batanes
  • May 29, 2024 08:00 AM - 1,015 km East Northeast of Extreme Northern Luzon
  • May 29, 2024 08:00 PM - 1,280 km East Northeast of Extreme Northern Luzon (OUTSIDE PAR)
  • May 30, 2024 08:00 AM - 1,600 km East Northeast of Extreme Northern Luzon (OUTSIDE PAR)
Wind Signal (Areas with TCWS)
Tropical Cyclone Wind Signal no.
Affected Areas
  • Luzon
    • The southeastern portion of Isabela (Dinapigue, Palanan), and the northern portion of Aurora (Dilasag, Casiguran)
Meteorological Condition
  • A tropical cyclone will affect the the locality.
  • Winds of greater than 62 km/h and up to 88 km/h may be expected in at least 24 hours.
Impact of the Wind
  • Light to Moderate damage to high risk structures.
  • Very light to light damage to medium-risk structures.
  • No damage to very light damage to low risk structures.
  • Unshielded, old dilapidated schoolhouses, makeshift shanties, and other structures of light materials are partially damaged or unroofed.
  • A number of nipa and cogon houses may be partially or totally unroofed.
  • Some old galvanized iron (G.I.) roofs may be peeled or blown off.
  • Some wooden, old electric posts are tilted or downed.
  • Some damage to poorly constructed signs/billboards.
  • In general, the winds may bring light to moderate damage to the exposed communities. Most banana plants, a few mango trees, ipil-ipil and similar types of trees are downed or broken.
  • Some coconut trees may be tilted with few others broken.
  • Rice and corn may be adversely affected.
  • Considerable damage to shrubbery and trees with some heavy-foliaged trees blown down.
Precautionary Measures
  • The sea and coastal waters are dangerous to small seacrafts
  • Special attention should be given to the latest position, the direction and speed of movement and the intensity of the storm as it may intensify and move towards the locality.
  • The general public especially people travelling by sea and air are cautioned to avoid unnecessary risks.
  • Outdoor activities of children should be postponed.
  • Secure properties before the signal is upgraded.
  • Disaster preparedness agencies / organizations are in action to alert their communities.
What To Do
  • Prepare flashlights, batteries , matches, kerosene lamps, or candles and charcoal in anticipation of power failure, first aid kit and store ready to eat foods.
  • Keep your cell phones fully charged.
  • Elevate household things in case of flooding.
  • For fishing folks, secure fishing boats in safe area.
Tropical Cyclone Wind Signal no.
Affected Areas
  • Luzon
    • The northeastern and southern portions of Isabela (Divilacan, San Mariano, San Guillermo, Jones, Echague, San Agustin, Ilagan City, Benito Soliven, City of Cauayan, Maconacon, Angadanan, Naguilian), the eastern portion of Quirino (Maddela, Nagtipunan, Aglipay), the southern portion of Nueva Vizcaya (Alfonso Castaneda), the rest of Aurora, the northern portion of Quezon (General Nakar, Infanta, Real) including Polillo Islands, and the northwestern portion of Camarines Norte (Paracale, Jose Panganiban, Vinzons, Capalonga) including Calaguas Islands
  • Visayas
    • -
  • Mindanao
    • -
Meteorological Condition
  • A tropical cyclone will affect the locality.
  • Winds of 39-61 km/h may be expected in at least 36 hours or intermittent rains may be expected within 36 hours. (When the tropical cyclone develops very close to the locality a shorter lead time of the occurrence of the winds will be specified in the warning bulletin.)
Impact of the Wind
  • Very light or no damage to low risk structures.
  • Light damage to medium to high risk structures.
  • Slight damage to some houses of very light materials or makeshift structures in exposed communities. Some banana plants are tilted, a few downed and leaves are generally damaged.
  • Twigs of small trees may be broken.
  • Rice crops, however, may suffer significant damage when it is in its flowering stage.
Precautionary Measures
  • When the tropical cyclone is strong or is intensifying and is moving closer, this signal may be upgraded to the next higher level.
  • The waves on coastal waters may gradually develop and become bigger and higher.
  • The people are advised to listen to the latest severe weather bulletin issued by PAGASA every six hours. In the meantime, business may be carried out as usual except when flood occur.
  • Disaster preparedness is activated to alert status.
What To Do
  • Inspect your house if necessary repair/fixing is needed.
  • Clean up drainage system.
  • Harvest crops tha can be yielded.
  • Monitor the latest Severe Weather Bulletin issued By PAGASA every six hours and hourly updates.

    Considering these developments, the public and disaster risk reduction and management offices concerned are advised to take all necessary measures to protect life and property. Persons living in areas identified to be highly or very highly susceptible to these hazards are advised to follow evacuation and other instructions from local officials. For heavy rainfall warnings, thunderstorm/rainfall advisories, and other severe weather information specific to your area, please monitor products issued by your local PAGASA Regional Services Division.