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
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In Japan, frigid air from Siberia meets warm air from Pacific Ocean currents, fueling a very strong and relatively stable jet stream throughout the year.
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Renée Rigdon, CNN Money, 7 Aug. 2025
There were also other weather systems — a low-level jet stream and an upper-level disturbance — adding more moisture.
—CBS News, 7 July 2025
The charismatic insects primarily travel through cities along the I-35 corridor, taking advantage of air currents, including the jet stream, to aid in their migration.
—Brandi D. Addison, Austin American Statesman, 25 Mar. 2025
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
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Renée Rigdon, CNN Money, 7 Aug. 2025
There were also other weather systems — a low-level jet stream and an upper-level disturbance — adding more moisture.
—CBS News, 7 July 2025
The charismatic insects primarily travel through cities along the I-35 corridor, taking advantage of air currents, including the jet stream, to aid in their migration.
—Brandi D. Addison, Austin American Statesman, 25 Mar. 2025
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
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 19 Aug. 2025.
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