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  1. en.wikipedia.org › wiki › Jet_streamJet stream - Wikipedia

    The polar jet stream can travel at speeds greater than 180 km/h (110 mph). Here, the fastest winds are coloured red; slower winds are blue. Clouds along a jet stream over Canada.

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  3. www.noaa.gov › jetstream › globalThe Jet Stream | National Oceanic and Atmospheric Administration

    Sep 20, 2023 · Jet streams vary in height of four to eight miles and can reach speeds of more than 275 mph (239 kts / 442 km/h). Jet streams occur in both the Northern and Southern Hemispheres. Download Image

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  5. www.nationalgeographic.org › encyclopedia › jet-streamJet Stream - National Geographic Society

    Oct 19, 2023 · Their speeds usually range from 129 to 225 kilometers per hour (80 to 140 miles per hour), but they can reach more than 443 kilometers per hour (275 miles per hour). They are faster in winter when the temperature differences between tropical, temperate, and polar air currents are greater.

  6. www.nationalgeographic.com › article › jet-streamJet stream facts and information - National Geographic

    Jan 26, 2024 · Their winds blow from west to east at speeds that range from 80 to 140 miles per hour, but they can reach more than 275 miles per hour. Jet streams are stronger in winter...

    • Christina Nunez
    • 3 min

  7. sciencenotes.org › jet-stream-what-it-is-and-howJet Stream - What It Is and How It Works - Science Notes and ...

    Oct 22, 2023 · A jet stream is a narrow band of strong wind that flows in the upper atmosphere, specifically in the troposphere and stratosphere. Jet streams occur in both hemispheres and blow from west to east. These winds reach speeds of up to 250 miles per hour (400 kilometers per hour).

  8. scijinks.gov › jet-streamWhat Is the Jet Stream? | NOAA SciJinks – All About Weather

    6 days ago · On average, jet streams move at about 110 miles per hour. But dramatic temperature differences between the warm and cool air masses can cause jet streams to move at much higher speeds — 250 miles per hour or faster. Speeds this high usually happen in polar jet streams in the winter time.

  9. www.metoffice.gov.uk › wind › what-is-the-jet-streamWhat is the jet stream? - Met Office

    The jet stream is a core of strong winds around 5 to 7 miles above the Earth’s surface, blowing from west to east. How does the jet stream work? The jet stream flows high overhead and...