extratropical cyclone
noun
ex·tra·trop·i·cal cyclone
ˌek-strə-ˌträ-pi-kəl- 
: 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
In 1950, an extratropical cyclone impacted 22 states around the holiday week, as significant winds, heavy rain, and blizzard conditions killed 353 and injured 160.
—
Simmone Shah, Time, 25 Nov. 2025
The National Hurricane Center said in its 5 a.m. advisory that Melissa is expected to weaken into an extratropical cyclone later Friday, then gradually peter out this weekend.
—Madeleine Marr, Miami Herald, 31 Oct. 2025
The extratropical cyclone that was Typhoon Halong is spinning into the region and will bring strong winds and heavy rainfall by Sunday, Oct. 12 with high coastal waters and possible coastal flooding, said the weather service in Fairbanks, Alaska.
—Doyle Rice, USA Today, 9 Oct. 2025
Storm Amy is a powerful extratropical cyclone which began as Hurricane Humberto.
—Escher Walcott, PEOPLE, 6 Oct. 2025
In September, 2024, southeastern Morocco experienced a rare Sahara Desert flood caused by an extratropical cyclone.
—Cecilia Rodriguez, Forbes.com, 29 June 2025
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
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Simmone Shah, Time, 25 Nov. 2025
The National Hurricane Center said in its 5 a.m. advisory that Melissa is expected to weaken into an extratropical cyclone later Friday, then gradually peter out this weekend.
—Madeleine Marr, Miami Herald, 31 Oct. 2025
The extratropical cyclone that was Typhoon Halong is spinning into the region and will bring strong winds and heavy rainfall by Sunday, Oct. 12 with high coastal waters and possible coastal flooding, said the weather service in Fairbanks, Alaska.
—Doyle Rice, USA Today, 9 Oct. 2025
Storm Amy is a powerful extratropical cyclone which began as Hurricane Humberto.
—Escher Walcott, PEOPLE, 6 Oct. 2025
In September, 2024, southeastern Morocco experienced a rare Sahara Desert flood caused by an extratropical cyclone.
—Cecilia Rodriguez, Forbes.com, 29 June 2025
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
Cite this Entry
“Extratropical cyclone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extratropical%20cyclone. Accessed 13 Dec. 2025.
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