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
Also riding this jet stream of enhancements are, among others, Qantas and Korean Air.
—
Michael Verdon, Robb Report, 28 Mar. 2026
The polar jet stream is a ribbon of air that encircles the Northern Hemisphere at high altitudes and determines atmospheric pressure patterns.
—Evan Bush, NBC news, 28 Mar. 2026
Warm ocean waters can impact the position and strength of the jet stream, which can lead to either wetter or drier conditions.
—Greg Porter, San Francisco Chronicle, 26 Mar. 2026
Relief is expected to begin next week as a shift in the jet stream brings cooler Pacific air inland.
—Doyle Rice, USA Today, 26 Mar. 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.
Michael Verdon, Robb Report, 28 Mar. 2026
The polar jet stream is a ribbon of air that encircles the Northern Hemisphere at high altitudes and determines atmospheric pressure patterns.
—Evan Bush, NBC news, 28 Mar. 2026
Warm ocean waters can impact the position and strength of the jet stream, which can lead to either wetter or drier conditions.
—Greg Porter, San Francisco Chronicle, 26 Mar. 2026
Relief is expected to begin next week as a shift in the jet stream brings cooler Pacific air inland.
—Doyle Rice, USA Today, 26 Mar. 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 31 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
