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  2. Polar vortex - Wikipedia

    en.wikipedia.org/wiki/Polar_vortex

    The stratospheric vortex's SSWs were discovered in 1952 with radiosonde observations at altitudes higher than 20 km. [3] The tropospheric polar vortex was mentioned frequently in the news and weather media in the cold North American winter of 2013–2014, popularizing the term as an explanation of very cold temperatures.

  3. What in the world is going on with the polar vortexes?

    www.aol.com/news/world-going-polar-vortexes...

    The polar vortex is generally an area of low pressure above the Earth’s poles that contains the coldest air. The vortex is more influential during a hemisphere’s winter than in the summer ...

  4. January–February 2019 North American cold wave - Wikipedia

    en.wikipedia.org/wiki/January–February_2019...

    In late January 2019, a severe cold wave caused by a weakened jet stream around the Arctic polar vortex [5] hit the Midwestern United States and Eastern Canada, killing at least 22 people. [3][4] It came after a winter storm brought up to 13 inches (33 cm) of snow in some regions from January 27–29, and brought the coldest temperatures in ...

  5. February 2021 North American cold wave - Wikipedia

    en.wikipedia.org/wiki/February_2021_North...

    The February 2021 North American cold wave was an extreme weather event that brought record low temperatures to a significant portion of Canada, the United States and parts of northern Mexico during the first two-thirds of February 2021. The cold was caused by a southern migration of the polar vortex, likely caused by a sudden stratospheric ...

  6. Brief visit from polar vortex to bring record-challenging ...

    www.aol.com/weather/brief-visit-polar-vortex...

    The extreme cold coming directly from the Arctic will produce extraordinary AccuWeather RealFeel® Temperatures and challenge several long-standing record-low temperatures. The polar vortex, which ...

  7. Polar vortex by the numbers: 6 states in US record ...

    www.aol.com/article/weather/2019/01/30/polar...

    Records are being shattered and communities are enduring the harshest cold in decades as the polar vortex tightens its grip on the midwestern United States.

  8. January–March 2014 North American cold wave - Wikipedia

    en.wikipedia.org/wiki/January–March_2014_North...

    The event occurred in early 2014 and was caused by a southward shift of the North Polar Vortex. Record-low temperatures also extended well into March. On January 2, an Arctic cold front initially associated with a nor'easter tracked across Canada and the United States, resulting in heavy snowfall in some areas. Temperatures fell to ...

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

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

    High temperatures tend to range from near 20 in northern Maine to near 40 in New York City and the mid-40s in southeastern Virginia during late January. Instead, temperatures have been poking as ...