polar front
noun
: the boundary between the cold air of a polar region and the warmer air of lower latitudes
Examples of polar front in a Sentence
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After rain and strong winds from a storm overnight Wednesday, Kansas City will see a quick return to winter as a polar front brings much colder weather and wind chills in the single digits to low teens, according to the National Weather Service.
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Kansas City Star, 17 Dec. 2025
The polar front arrives Monday night bringing in falling temps, strong N winds, & snow.
—Josh Hammer, Newsweek, 14 Feb. 2025
This sudden mid-air jolt is caused by wind shear created by the jet stream, specifically the polar front jet stream in northern latitudes.
—Darren Orf, Popular Mechanics, 5 Sep. 2023
Then a big change will be felt in the temperature department across the state as the combination of Nicole’s circulation and a polar front bring down much cooler air into the state starting on Friday and lasting into the weekend.
—Leigh Morgan, al, 9 Nov. 2022
The polar front doesn’t stay in the same place every year.
—Eli Kintisch, Science | AAAS, 19 Mar. 2020
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Kansas City Star, 17 Dec. 2025
The polar front arrives Monday night bringing in falling temps, strong N winds, & snow.
—Josh Hammer, Newsweek, 14 Feb. 2025
This sudden mid-air jolt is caused by wind shear created by the jet stream, specifically the polar front jet stream in northern latitudes.
—Darren Orf, Popular Mechanics, 5 Sep. 2023
Then a big change will be felt in the temperature department across the state as the combination of Nicole’s circulation and a polar front bring down much cooler air into the state starting on Friday and lasting into the weekend.
—Leigh Morgan, al, 9 Nov. 2022
The polar front doesn’t stay in the same place every year.
—Eli Kintisch, Science | AAAS, 19 Mar. 2020
Cite this Entry
“Polar front.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polar%20front. Accessed 1 Jan. 2026.
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