Five ≥70 m/s, ≥137 knots ≥157 mph, ≥252 km/h Four 58–70 m/s, 113–136 knots 130–156 mph, 209–251 km/h Three 50–58 m/s, 96–112 knots 111–129 mph, 178–208 km/h Two 43–49 m/s, 83–95 knots 96–110 mph, 154–177 km/h One 33–42 m/s, 64–82 knots 74–95 mph, 119–153 km/h Related classifications Tropical storm 18–32 m/s, 34–63 knots 39–73 mph, 63–118 km/h Tropical depression ≤17 m/s, ≤33 knots