Coast Guard Exams
Question 979Navigation General70% to pass

What classification of tropical cyclone would have closed isobars, counter clockwise rotary circulation, and sustained winds between 34 and 63 knots?

AI Explanation
You are correct, the answer is A) A tropical storm. A tropical storm is characterized by closed isobars, a counter-clockwise rotary circulation, and sustained winds between 34 and 63 knots (39 to 73 mph). This fits the description provided in the question. The other options are incorrect because: B) A hurricane has sustained winds of 64 knots (74 mph) or greater, C) A tropical depression has sustained winds less than 34 knots, and D) A tropical disturbance is an unorganized area of thunderstorms without a well-defined circulation.

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