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
Just as sound waves or ocean waves can resonate and reinforce each other, atmospheric resonance can happen to undulating jet stream patterns in the upper atmosphere, resulting in weather systems that stay in place for weeks.
—
Andrew Freedman, CNN Money, 20 July 2025
What causes a 'heat dome' The heat wave will be triggered by a change in the jet stream pattern, Weather.com meteorologist Jonathan Erdman said in an online forecast on June 20.
—Jordan Green, Nashville Tennessean, 23 June 2025
Blame the 'heat dome' The heat wave will be triggered by a change in the jet stream pattern, Erdman said in an online forecast.
—Doyle Rice, USA Today, 22 June 2025
The pattern, known as an omega block, is named for the way the jet stream bends into the shape of the Greek letter omega — Ω.
—Brandi D. Addison, Austin American Statesman, 6 May 2025
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.
Andrew Freedman, CNN Money, 20 July 2025
What causes a 'heat dome' The heat wave will be triggered by a change in the jet stream pattern, Weather.com meteorologist Jonathan Erdman said in an online forecast on June 20.
—Jordan Green, Nashville Tennessean, 23 June 2025
Blame the 'heat dome' The heat wave will be triggered by a change in the jet stream pattern, Erdman said in an online forecast.
—Doyle Rice, USA Today, 22 June 2025
The pattern, known as an omega block, is named for the way the jet stream bends into the shape of the Greek letter omega — Ω.
—Brandi D. Addison, Austin American Statesman, 6 May 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 2 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share