Question

what are the different typhoon categories and their relationship to their speed and extent of damage

Answer 1

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A typhoon has wind speed of 64–79 knots (73–91 mph; 118–149 km/h), a severe typhoon has winds of at least 80 knots (92 mph; 150 km/h), and a super typhoon has winds of at least 100 knots (120 mph; 190 km/h).

Answer 2

A typhoon is a tropical storm or cyclone formed when wind velocity is more than 62km/h and is categorized into various types depending upon the wind speed and the effect it causes.

Categories of Typhoon

1. Weak (119-155km/h) causes minimal damage.                      
2. Moderate (155-180km/h) causes moderate damage.
3. Strong (180-210km/h) causes extensive damage.
4. Very Strong (210-250km/h) causes extreme damage.
5. Devastating (>250km/h) has catastrophic effect.