A polar vortex is set to grip much of the U.S. What does that mean?
Jan 17, 2025 · The "vortex" is the counterclockwise flow of air that helps keep the colder air close to the North and South Poles. But often during winter, the polar vortex will expand, bringing its cold air south and causing these notoriously large outbreaks of chilly temperatures.
Why the Polar Vortex May Return Soon – Chicago Magazine
Jan 4, 2024 · First off, a polar vortex isn’t a storm. It’s a weather phenomenon. Stop villainizing polar vortexes! In fact, it forms above the Arctic Circle every winter. A whirl of low-pressure frigid...
Polar Vortex Intensifications: the overlooked influencer
1 day ago · The polar vortex during the middle of January 2024 (and much of the 2023-2024 winter season) was often in a weakened and disrupted state. The main west-to-east winds that make up the vortex had weakened and were displaced off the pole, allowing warmer air into the Arctic stratosphere.
What is a polar vortex? Brutal cold for Chicago area
Dec 12, 2024 · CHICAGO (CBS) — A chunk of the polar vortex is present in the Chicago area, bringing the coldest temperatures of the season with dangerous wind chills. The polar vortex is an ever-present,...
January 30-31, 2019: Record to Near-Record Cold in Northern Illinois
The coldest temperature in Chicago in 34 years (-23°) was recorded on the morning of January 30, 2019 during a bitter cold couple of days. Rockford, IL broke their all-time record cold temperature with a low of -31° on January 31.
A Polar Vortex Could Hit Chicago in January—Here's What to Know
Dec 31, 2024 · After an unseasonably mild December, Chicago could be in for some frigid cold temps in the new year. According to multiple reports, the infamous polar vortex phenomenon is poised to bring colder-than-average temps and snowfall to Chicago during the week of January 6.
How Polar Vortex Will Affect US in 2025 - Newsweek
Dec 30, 2024 · A polar vortex could bring cold winds to much of the U.S. as the new year approaches—but what exactly is a polar vortex, and how could it affect the weather in 2025? Why It Matters
Polar vortex to bring freezing weather to US - BBC
Jan 2, 2025 · Freezing weather is expected to hit the eastern US in the coming days as the polar vortex moves. Temperatures are expected to remain below average for the south-east and East Coast through the...
Why Chicago Set Records with Another Polar Vortex
Feb 18, 2019 · Chicago just experienced some of its coldest temperatures ever, thanks to a polar vortex. What is a polar vortex, anyway? Click here to find out the answer.
Chicago weather: What is a polar vortex? How often does the …
Dec 22, 2022 · Borchardt and Friedlein: “A polar vortex is a large low pressure system that is accompanied by arctic cold air that typically originates near the North Pole. Since the systems are so large,...