Storms are categorized by wind speed.
Tropical Depression: Thunderstorms with wind speeds of less than 38 mph.
Tropical Storm: Strong thunderstorms with wind speeds between 39 & 73 mph.
Cyclone/Hurricane/Typhoon:
Category 1 – Wind speeds 74 – 95 miles per hour.
Category 2 – Wind speeds 96 – 110 miles per hour.
Category 3 – Wind speeds 111 – 130 miles per hour.
Category 4 – Wind speeds 131 – 154 miles per hour.
Category 5 – Wind speeds 155 miles per hour.



