Where are hurricanes and typhoons stronger?

typhoon

Tropical cyclones are divided into four grades according to the maximum surface wind speed near the center:

1. Typhoon

Maximum wind speed > 32.6m/s, i.e. 12 or more (64 knots or more).

2. Severe tropical storm

The maximum wind speed is 24.5-32.6m/s, that is, wind10-1(48-63 knots).

3. Tropical storms

The maximum wind speed17.2-24.4m/s, that is, the wind force is 8-9 (34-47 knots).

4. Tropical depression

The maximum wind speed appears <17.2m/s, that is, the wind force is 6-7 (22-33 knots).

hurricane

Hurricanes are destructive tropical cyclones with winds exceeding 74 miles per hour in the Atlantic Ocean. Hurricanes usually occur in summer and early autumn, and often thunder and lightning when they come. In just one day, hurricanes can release a lot of energy, enough to meet the electricity demand of the whole United States for about six months.