jet stream
noun
: a long narrow meandering current of high-speed winds near the tropopause blowing from a generally westerly direction and often exceeding a speed of 250 miles (402 kilometers) per hour
Examples of jet stream in a Sentence
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However, its moisture-rich air will get scooped up by a weather system riding through a dip in the jet stream along the West Coast.
—
Chris Dolce, CNN Money, 8 Oct. 2025
Advertisement Scientists are still studying the full connections between marine heat waves and the jet stream, but this year’s marine heat wave was linked to the hottest summer on record in Japan and eastern China.
—Simmone Shah, Time, 8 Oct. 2025
This unusually warm patch of ocean water is affecting the jet stream, pushing it north and causing unusually hot air to spread across much of the country.
—Alia Shoaib, MSNBC Newsweek, 3 Oct. 2025
The National Weather Service said many times during winter in the northern hemisphere, the polar vortex will expand, sending cold air southward with the jet stream.
—Jade Jackson, IndyStar, 25 Sep. 2025
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Chris Dolce, CNN Money, 8 Oct. 2025
Advertisement Scientists are still studying the full connections between marine heat waves and the jet stream, but this year’s marine heat wave was linked to the hottest summer on record in Japan and eastern China.
—Simmone Shah, Time, 8 Oct. 2025
This unusually warm patch of ocean water is affecting the jet stream, pushing it north and causing unusually hot air to spread across much of the country.
—Alia Shoaib, MSNBC Newsweek, 3 Oct. 2025
The National Weather Service said many times during winter in the northern hemisphere, the polar vortex will expand, sending cold air southward with the jet stream.
—Jade Jackson, IndyStar, 25 Sep. 2025
See All Example Sentences for jet stream
Cite this Entry
“Jet stream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20stream. Accessed 10 Oct. 2025.
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