The term "vortex" refers to the counter-clockwise flow of air that helps keep the colder air near the Poles. Many times during winter in the northern hemisphere, the polar vortex will expand, sending cold air southward with the jet stream (see graphic above).

Overview Almost one year to the date of another brutal cold snap (January 14-17, 2024), a portion of the Polar Vortex delivered bitterly cold conditions to broad swaths of the continental U.S. for several consecutive days. The "Polar Vortex" simply refers to a large area of low pressure and cold air surrounding both of the Earth’s poles which is always present during the winter. It's not ...

Jan 17, 2025 · According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need to know.

Dec 31, 2024 · The Arctic polar vortex, as defined by the National Weather Service (NWS), is a strong west-to-east wind system that forms in the stratosphere, approximately 10 to 30 miles above the North Pole...

Jan 20, 2025 · A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

What is the Polar Vortex? The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near the poles, but weakens in summer and strengthens in winter. The term "vortex" refers to the counter-clockwise flow of air that helps keep the colder air near the Poles.

Jan 17, 2025 · People living "basically anywhere from the Rockies eastward will see below-normal temperatures over the next several days," said Zack Taylor, a meteorologist with the National Weather...

Jan 11, 2025 · JPSS satellites play a vital role in monitoring winter weather as they orbit Earth’s poles. Their orbits provide frequent views of the polar regions, enabling scientists to track polar vortex patterns.

Jan 17, 2025 · People living "basically anywhere from the Rockies eastward will see below-normal temperatures over the next several days," said Zack Taylor, a meteorologist with the National Weather...

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...