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

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

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   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 ...

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

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   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 ...

5. Here's what you need to know about the polar vortex

   www.aol.com/heres-know-polar-vortex-165732130.html

   AccuWeather forecasters break down the science behind the polar vortex and how it can influence the weather for locations thousands of miles away. While the name for this phenomenon may sound ...

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

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

   'Chicago Beach Keeps Locals Warm During Polar Vortex' – video new report from Voice of America. Chicago river frozen during 2019 polar vortex February 1, 2019. In the Chicago area, temperatures plummeted as low as −23 °F (−31 °C) at O'Hare International Airport on January 30, with a windchill of −52 °F (−47 °C).

7. Sudden stratospheric warming - Wikipedia

   en.wikipedia.org/wiki/Sudden_stratospheric_warming

   Major SSWs occur when the winter polar stratospheric westerlies reverse to easterlies. In minor warmings, the polar temperature gradient reverses but the circulation does not, and in final warmings, the vortex breaks down and remains easterly until the following boreal autumn". [3]

8. Polar vortex - Wikipedia

   en.wikipedia.org/wiki/Polar_vortex

   The Polar vortex is also thought to have had effects in Europe. For example, the 2013–14 United Kingdom winter floods were blamed on the Polar vortex bringing severe cold in the United States and Canada. [8] Similarly, the severe cold in the United Kingdom in the winters of 2009–10 and 2010–11 were also blamed on the Polar vortex. [9]

9. What is the polar vortex? In-depth look at how it can affect ...

   www.aol.com/polar-vortex-depth-look-affect...

   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). The polar vortex is a gigantic, circular area ...