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The Philippine Atmospheric Geophysical Astronomical Services Administration (PAGASA) on Wednesday changed the definition of “super typhoon," as well as meanings of tropical cyclone wind signals.
Based on PAGASA’s revised definition of a “super typhoon,” it should carry maximum sustained winds of not less than 185 kilometers per hour. Originally, it was classified as having maximum sustained winds exceeding 220 km/h.
Under the new system, the new corresponding winds are as follows:
- Signal No. 1 – 39-61 km/h (previously 30 to 60 km/h), minimal to minor threat to life and property
- Signal No. 2 – 62-88 km/h (previously 61 to 120 km/h), minor to moderate threat to life and property
- Signal No. 3 – 89-117 km/h (previously 121 to 170 km/h), moderate to significant threat to life and property
- Signal No. 4 – 118-184 km/h (previously 171 to 220 km/h), significant to severe threat to life and property
- Signal No. 5 – 185 km/h or higher (previously more than 220 km/h), extreme threat to life and property
Meanwhile, the weather bureau also changed its tropical cyclone and signal classification, which now falls into the following categories:.
- Tropical depression- Signal No. 1
- Tropical storm- Signal No. 2
- Severe tropical storm- Signal No. 3
- Typhoon- Signal No. 4
- Super typhoon- Signal No. 5
Moreover, the agency has also decommissioned the names of three destructive typhoons in 2021, namely Jolina, Maring, and Odette. They will be replaced with Jacinto, Mirasol, and Opong, respectively, beggining 2025.
Contributed by Jennifer Rose Vergara