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
During El Niño, the jet stream can dip farther south and allow more storms and cold air to surge into Texas, which is how places like Austin can see more rainfall and less extreme heat during those times.
—
Roberto Villalpando, Austin American Statesman, 13 Mar. 2026
The jet stream is the river of air that moves weather from west to east on a roller-coaster-like path.
—Seth Borenstein, Chicago Tribune, 13 Mar. 2026
The jet stream is the river of air that moves weather from west to east on a roller coaster-like path.
—Seth Borenstein, Los Angeles Times, 13 Mar. 2026
Downstream of the heat dome, the jet stream will dive south out of Canada, transporting cold air into the Midwest and East, along with chances for snowfall into mid-to-late March.
—Andrew Freedman, CNN Money, 12 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.
Roberto Villalpando, Austin American Statesman, 13 Mar. 2026
The jet stream is the river of air that moves weather from west to east on a roller-coaster-like path.
—Seth Borenstein, Chicago Tribune, 13 Mar. 2026
The jet stream is the river of air that moves weather from west to east on a roller coaster-like path.
—Seth Borenstein, Los Angeles Times, 13 Mar. 2026
Downstream of the heat dome, the jet stream will dive south out of Canada, transporting cold air into the Midwest and East, along with chances for snowfall into mid-to-late March.
—Andrew Freedman, CNN Money, 12 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 15 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
