To officially be a hurricane, the disturbance must have rotary circulation and have wind speeds of at least kilometers per hour.

Question

Quizplus · Accepted Answer

According to the Saffir-Simpson Hurricane Wind Scale, a tropical cyclone must have sustained wind speeds of at least 119 kilometers per hour (74 miles per hour) to be classified as a hurricane. Therefore, the correct choice is D, with wind speeds of 119 kilometers per hour.

To Officially Be a Hurricane, the Disturbance Must Have Rotary