Explanation:
5 types of Typhoons:
1. Super Typhoon (STY) which can sustain a strong wind of >220 km/h.
2. Typhoon (TY) can sustain a strong wind of 118-220 km/h.
3. Severe Tropical Storm (STS) can sustain a strong wind of 89-117 km/h.
4. Tropical Storm (TS) can sustain a strong wind of 62-88 km/h.
5. Tropical Depression (TD) can sustain a wind of <61 km/h.
When the typhoon enters the imaginary line surrounded within the country, which is used to set the area or territories set for the country that is the time which PAGASA will monitor its movements, wind capacity, and possible area of landfall.
