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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
Recent Examples on the Web
That included a trough, or dip, in the jet stream that eventually dragged Milton to the northeast, across the Florida Peninsula and into the Atlantic.
—Andrew Freedman, Axios, 11 Oct. 2024
By contrast, the planet Neptune has dark spots that can drift widely in latitude without strong jet streams holding them in place.
—Laura Baisas, Popular Science, 10 Oct. 2024
The steering currents, or the winds that are guiding Milton, are highly influenced by changes in the jet stream, Davis said.
—Jeanine Santucci, USA TODAY, 9 Oct. 2024
This weather phenomenon is linked to a northerly shift in the polar jet stream, which can lead to Texas winters being warmer than average.
—Anthony Franze, San Antonio Express-News, 2 Oct. 2024
See all Example Sentences for jet stream
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'jet stream.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1947, in the meaning defined above
Dictionary Entries Near jet stream
Cite this Entry
“Jet stream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20stream. Accessed 31 Oct. 2024.
Kids Definition
jet stream
noun
: a long narrow wandering current of high-speed winds blowing from a generally westerly direction several miles above the earth's surface
More from Merriam-Webster on jet stream
Britannica.com: Encyclopedia article about jet stream
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