extratropical cyclone

noun

ex·​tra·​trop·​i·​cal cyclone ˌek-strə-ˌträ-pi-kəl- How to pronounce extratropical cyclone (audio)
: a cyclone in the middle or high latitudes often containing a cold front that extends toward the equator for hundreds of miles

Examples of extratropical cyclone in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The pressure can drop quite dramatically over a few days or even just a few hours, leading to the birth of a low-pressure system – what meteorologists call an extratropical cyclone. — Chris Nowotarski, The Conversation, 20 Mar. 2025 While Leach said the impacts of the climate crisis on extratropical cyclones remain uncertain, some studies suggest the most severe storms may be getting stronger with climate change. — Sophie Tanno, CNN, 24 Jan. 2025

Word History

First Known Use

1923, in the meaning defined above

Time Traveler
The first known use of extratropical cyclone was in 1923

Rhymes for extratropical cyclone

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Browse Nearby Words

extratextual
extratropical cyclone
extratympanic
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Cite this Entry

“Extratropical cyclone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extratropical%20cyclone. Accessed 30 Mar. 2025.

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Britannica.com: Encyclopedia article about extratropical cyclone

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