A tropical cyclone with winds of 120 km/hr or greater is known as a

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Study for the Earth Science Standards of Learning Test. Use flashcards and multiple choice questions, with hints and explanations for each question. Prepare for your exam efficiently!

Multiple Choice

A tropical cyclone with winds of 120 km/hr or greater is known as a

Explanation:
Classification of tropical cyclones is based on sustained wind speed. When winds reach 119 km/h or higher, the system is specifically called a hurricane in the Atlantic and Northeast Pacific (typhoon in the Western Pacific, cyclone in other regions). The tiers go from tropical depression (<63 km/h) to tropical storm (63–118 km/h) to hurricane (≥119 km/h). A wind of 120 km/h meets the hurricane threshold, so that name is the best fit. A tropical storm hasn’t reached that wind speed yet, a tornado is a different, much smaller phenomenon, and a cyclone is a general term for tropical low-pressure systems not specifically denoting wind speed.

Classification of tropical cyclones is based on sustained wind speed. When winds reach 119 km/h or higher, the system is specifically called a hurricane in the Atlantic and Northeast Pacific (typhoon in the Western Pacific, cyclone in other regions). The tiers go from tropical depression (<63 km/h) to tropical storm (63–118 km/h) to hurricane (≥119 km/h). A wind of 120 km/h meets the hurricane threshold, so that name is the best fit. A tropical storm hasn’t reached that wind speed yet, a tornado is a different, much smaller phenomenon, and a cyclone is a general term for tropical low-pressure systems not specifically denoting wind speed.

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