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  2. Polar vortex could bring an unfavorable end to Rochester's winter

    www.aol.com/polar-vortex-could-bring-unfavorable...

    The polar vortex is not synonymous with a cold snap. In fact, the stratosphere is 10 to 30 miles above the earth’s surface and above the polar jet stream and other systems that create most ...

  3. Polar vortex - Wikipedia

    en.wikipedia.org/wiki/Polar_vortex

    The term polar vortex can be used to describe two distinct phenomena; the stratospheric polar vortex, and the tropospheric polar vortex. The stratospheric and tropospheric polar vortices both rotate in the direction of the Earth's spin, but they are distinct phenomena that have different sizes, structures, seasonal cycles, and impacts on weather.

  4. Think Dallas-Fort Worth has had enough Arctic blasts? Wait ...

    www.aol.com/think-dallas-fort-worth-had...

    The polar vortex is extensive coverage of low pressure and cold air surrounding Earth’s poles. When the vortex is strong and stable, the polar jet stream shifts northward, keeping the cold air ...

  5. Polar vortex to unleash dangerous cold blast in northeastern US

    www.aol.com/weather/quick-burst-arctic-air-bring...

    "A shift of the polar vortex will be at the heart of the brief cold blast in the Northeast," AccuWeather Chief On-Air Meteorologis. ... New York City had its first measurable snow (0.1 of an inch ...

  6. Polar vortex? Artic air mass? Whatever it's called, here's ...

    www.aol.com/polar-vortex-artic-air-mass...

    The polar vortex is a large area of low-pressure and cold air surrounding both of the Earth’s poles, according to the weather service. It always exists near the poles.

  7. December 2017–January 2018 North American cold wave

    en.wikipedia.org/wiki/December_2017–January...

    Starting in late December as a result of the southward shift of the polar vortex, extremely cold conditions froze the eastern United States in the last few days of 2017 as well as into the new year. Following a brief respite in mid-January, cold temperatures swung back into the eastern U.S. shortly afterwards.

  8. Brace yourself: Sub-zero wind chill and snow coming with ...

    www.aol.com/brace-yourself-sub-zero-wind...

    The polar vortex is a gigantic, circular area of cold air high up in the atmosphere that typically spins over the North Pole (as its name suggests), USA Today previously reported. It's a normal ...

  9. 2024 Antarctica heat wave - Wikipedia

    en.wikipedia.org/wiki/2024_Antarctica_heat_wave

    The disturbances in the polar vortex also caused "massive" quantities of freezing air to be pushed toward the equator, causing unseasonably colder temperatures and cold fronts throughout the Southern Hemisphere, including the Southern Cone of South America, New Zealand, and Australia. [4]