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
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In the East, the northern branch of the jet stream tends to carry faster-moving, less intense storms, which can mean snowfall near or even below average, with temperatures closer to seasonal norms, AccuWeather said.
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Doyle Rice, USA Today, 16 Sep. 2025
Only Iceland, which is isolated from the jet stream, has unique populations of the bacteria, Morris said.
—Katherine Bourzac, Quanta Magazine, 15 Sep. 2025
One critical ingredient often missing in Arizona’s summer months is the subtropical jet stream, a narrow band of strong winds about 6 miles above the ground.
—Arlyssa D. Becenti, AZCentral.com, 13 Sep. 2025
The jet stream divides the country in two, bringing wetter weather to the Pacific Northwest and Ohio Valley.
—Alix Martichoux, The Hill, 12 Sep. 2025
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Doyle Rice, USA Today, 16 Sep. 2025
Only Iceland, which is isolated from the jet stream, has unique populations of the bacteria, Morris said.
—Katherine Bourzac, Quanta Magazine, 15 Sep. 2025
One critical ingredient often missing in Arizona’s summer months is the subtropical jet stream, a narrow band of strong winds about 6 miles above the ground.
—Arlyssa D. Becenti, AZCentral.com, 13 Sep. 2025
The jet stream divides the country in two, bringing wetter weather to the Pacific Northwest and Ohio Valley.
—Alix Martichoux, The Hill, 12 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 19 Sep. 2025.
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