A Closer Look at the Polar Vortex’s Dangerously Cold Winds - The New York Times
https://www.nytimes.com/interactive/2019/01/30/science/polar-vortex-extreme-cold.htmlA Sudden Stratospheric Warming is coming, collapsing the Polar Vortex and potentially impacting the weather in late-month and early Spring » Severe Weather Europe
https://www.severe-weather.eu/global-weather/sudden-stratospheric-warming-polar-vortex-collapse-effect-forecast-february-march-united-states-europe-fa/Central Spain records temperatures of -25C after snowstorm - BBC News
https://www.bbc.com/news/world-europe-55632791Climate change may not be altering winter jet stream, research shows - The Washington Post
https://web.archive.org/web/20210731210758if_/https:/www.washingtonpost.com/weather/2021/07/31/arctic-climate-change-jetstream-winter/Forecast: Wild Weather in a Warming World - The New York Times
https://www.nytimes.com/2021/01/30/climate/polar-vortex-weather-climate-change.htmlHeating Arctic may be to blame for snowstorms in Texas, scientists argue | Science | The Guardian
https://www.theguardian.com/science/2021/feb/17/arctic-heating-winter-storms-climate-changeLive Updates: Winter Storm Barrels Across Huge Band of U.S. - The New York Times
https://www.nytimes.com/live/2021/02/15/us/winter-storm-weather-live/climate-change-may-be-why-frigid-weather-has-slid-so-far-south-experts-sayModern Weather Forecasts Are Stunningly Accurate
https://www.theatlantic.com/science/archive/2019/01/polar-vortex-weather-forecasting-good-now/581605/Scientists Warn of an 'Imminent' Stratospheric Warming Event Around The North Pole
https://www.sciencealert.com/scientists-warn-imminent-stratospheric-warming-about-to-blast-the-uk-with-coldStrong winter storm hits California with flooding, blizzard conditions - The Washington Post
https://www.washingtonpost.com/weather/2021/01/27/california-winter-storm-flooding-blizzard/The Polar Vortex now collapsing, is set to release the Arctic Hounds for the United States and Europe, as we head for the second half of Winter 2020/2021
https://www.severe-weather.eu/global-weather/polar-vortex-collapse-winter-weather-europe-united-states-2021-fa/The last Polar Vortex will be forced into North America, as the stratosphere now heads for the Final Warming event, impacting the weather patterns
https://www.severe-weather.eu/global-weather/polar-vortex-final-warming-weather-forecast-usa-fa/Unusually early Stratospheric Warming event is starting, with more to follow, having a yet unknown effect on the Polar Vortex this upcoming cold season » Severe Weather Europe
https://www.severe-weather.eu/global-weather/early-stratospheric-warming-polar-vortex-forecast-cold-season-fa/Wandering polar vortex may cause a wild, snowy winter | Live Science
https://www.livescience.com/polar-vortex-disruption-snowy-weather.html