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Polar Vortex Reversal: Stratospheric Impact Wave Could Arrive by Thanksgiving

Severe Weather Europe · By Andrej Flis ·

The Brief

  • The earliest Sudden Stratospheric Warming on record has been confirmed.
  • Winds around the stratospheric polar vortex reversed on November 10.
  • An associated impact wave could arrive in the United States, Canada and Europe by Thanksgiving, according to Severe Weather Europe.

Why it matters

Sudden stratospheric warmings can change the polar vortex and are linked to later surface weather, so an unusually early event is relevant to forecasters and anyone tracking winter weather.

Who’s affected

  • anyone following winter weather forecasts in the United States, Canada and Europe
  • meteorologists and atmospheric scientists

The earliest Sudden Stratospheric Warming on record is now confirmed. The winds around the stratospheric Polar Vortex reversed on November 10th, about two and a ... Read more The post Polar Vortex Reversal: Stratospheric Impact Wave Could Arrive by Thanksgiving by author Andrej…

Timeline

  1. Winds around the stratospheric polar vortex reversed

  2. Earliest sudden stratospheric warming on record reported as confirmed

  3. Severe Weather Europe

    Polar Vortex Reversal: Stratospheric Impact Wave Could Arrive by Thanksgiving

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    Polar Vortex Reversal: Stratospheric Impact Wave Could Arrive by Thanksgiving – The Morning Science