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What Is a Hurricane? Atlantic Storm Basics

Satellite storm swirl context for hurricane explainer
Photo: “Powerful Hurricane Lee over the Atlantic Ocean (MODIS)” by MODIS Land Rapid Response Team, NASA GSFC · Public domain · via Wikimedia Commons

In brief

A hurricane is a tropical cyclone with sustained winds at or above a defined threshold in the Atlantic and eastern Pacific naming basins. The National Hurricane Center issues watches and warnings — follow local emergency management.

A hurricane is a tropical cyclone with sustained winds at or above a defined threshold in the Atlantic and eastern Pacific naming basins. The National Hurricane Center issues watches and warnings — follow local emergency management.

Hurricane vs typhoon?

Same type of storm; names differ by ocean basin.

Category scale?

Saffir-Simpson rates wind intensity; surge and rain still kill.

Season tip?

See atlantic-hurricane-season-when-ends.

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Last updated: 12 Oct 2026. Re-check linked official sources before citing figures.

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