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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The jet stream, a high-altitude river of fast-moving air, is influenced by the temperature contrast between the equator and the poles.
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Jim Foerster, Forbes.com, 20 May 2025
Around the polar cap are jet streams blowing faster than 100 miles per hour (161 kilometers per hour).
—Keith Cooper, Space.com, 30 Apr. 2025
The location of jet streams, low pressure systems, regions of spin (vorticity), thermal ridges, and other processes changes over time.
—Marshall Shepherd, Forbes, 21 Mar. 2025
However, the vortex isn’t the only thing that influences the jet stream.
—Dinah Voyles Pulver, USA TODAY, 10 Feb. 2025
See All Example Sentences for jet stream
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Jim Foerster, Forbes.com, 20 May 2025
Around the polar cap are jet streams blowing faster than 100 miles per hour (161 kilometers per hour).
—Keith Cooper, Space.com, 30 Apr. 2025
The location of jet streams, low pressure systems, regions of spin (vorticity), thermal ridges, and other processes changes over time.
—Marshall Shepherd, Forbes, 21 Mar. 2025
However, the vortex isn’t the only thing that influences the jet stream.
—Dinah Voyles Pulver, USA TODAY, 10 Feb. 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 13 Jun. 2025.
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