Current jet stream map animated

          Jet stream today live.

          What Is the Jet Stream?

          Jet streams are bands of strong wind that generally blow from west to east all across the globe.

          7 day jet stream forecast

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          6. They impact weather, air travel and many other things that take place in our atmosphere.

          Watch this video to learn about jet streams!

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          Jet streams are narrow bands of strong wind that generally blow from west to east all across the globe.

          15 day jet stream forecast

          Earth has four primary jet streams: two polar jet streams, near the north and south poles, and two subtropical jet streams closer to the equator.

          What Causes Jet Streams?

          Jet streams form when warm air masses meet cold air masses in the atmosphere.

          On Earth there are four main jet streams: two polar jet streams and two subtropical jet streams.

          They form in the atmosphere where warm air masses meet cool air masses. Credit: NOAA/JPL-Caltech

          The Sun doesn’t heat the whole Earth even