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
The pattern typically pushes the jet stream south.
—
Evan Bush, NBC news, 11 June 2026
This in turn has a major impact on jet streams, fueling extreme weather across the world.
—Joe Wilkins, Futurism, 10 June 2026
The recurring weather event known to lower the jet stream over the southeastern United States and create an environment in the Gulf and Atlantic less friendly to hurricane development.
—T.j. Muscaro, Baltimore Sun, 2 June 2026
La Niña can also affect the jet stream, sometimes contributing to polar vortex disruptions that push Arctic air farther south.
—Brandi D. Addison, USA Today, 1 June 2026
See All Example Sentences for jet stream
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Evan Bush, NBC news, 11 June 2026
This in turn has a major impact on jet streams, fueling extreme weather across the world.
—Joe Wilkins, Futurism, 10 June 2026
The recurring weather event known to lower the jet stream over the southeastern United States and create an environment in the Gulf and Atlantic less friendly to hurricane development.
—T.j. Muscaro, Baltimore Sun, 2 June 2026
La Niña can also affect the jet stream, sometimes contributing to polar vortex disruptions that push Arctic air farther south.
—Brandi D. Addison, USA Today, 1 June 2026
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 17 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
