Glossary of Hurricane Terminology

A Hurricane on a Weather Map

Popular Hurricane Terms

When it comes to hurricanes you're going to see a lot of words and acronyms you may not be familiar with. That's why we created the below hurricane terminology glossary. It has everything you need to keep up with the conversion.

Many of the hurricane terms in the below list are heavily geared towards the United States. However, there are some terms that are interchangeable around the globe. Those specific terms would appear in our glossary below.

Using our hurricane glossary is simple, simply click on a word to expand it and see the definition and meaning. To close it, simply click on the word again. If you think we're missing anything in this glossary, please contact us and let us know.

A period between June 1st and November 30th when hurricanes typically form in the Atlantic Ocean.
Movement that follows the same directional path as the hands on a clock.
Movement that follows the opposite directional path as the hands on a clock.
A tropical cyclone that has reached sustained windows of 74 mph or greater.
Hurricanes are rated by their wind speed using the Saffir-Simpson hurricane wind scale. A hurricane can be a category one to a category five, with five being the strongest types of hurricanes.
A unit of speed that is the equivalent of one nautical mile. A knot is approximately 1.15078 mph.
A major hurricane is one that reaches category 3 or higher on the Saffir-Simpson hurricane wind scale.