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The beginning of 2025 will be marked by the year’s first polar vortex, bringing snow, storms, and frigid temperatures that will impact the majority of the country and millions of Americans.
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 ...
- The polar vortex doesn't always mean snow: Temperatures on the ground still have to be cold enough for snow production. If the atmosphere is too dry or too warm, you'll miss out on the snow.
The polar vortex is an area of cold air that circulates around the Arctic. That area can shift and expand, bringing lower temperatures further south than usual.
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]
As the cold front moved southward, it prompted a cold weather advisory for the Gulf Coast and pushed the low temperature in El Paso, along Texas' border with Mexico, to 31 degrees (minus 0.5 Celsius), with an expected wind chill factor ranging from 0 to 15 degrees (minus 18 to minus 9 Celsius) early Wednesday, according to the National Weather ...
'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).
Most of the SH SSWs fall into this category as their onsets most commonly occur sometime in austral spring months, and the stratospheric wind and temperature anomalies tend to persist until early summer. [13] [14] [15] In this sense, SH SSWs represent faster-than-normal seasonal march of the westerly polar vortex. [14] [16] [17]