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The polar vortex returns to the lower 48 this week, and frostbite-inducing temperatures for millions will last through next week.. Arctic air will descend and spread across the U.S. early this ...
The potentially life-threatening cold is due to a disrupted polar vortex. The FOX Forecast Center said a lobe of the polar vortex will dip to the south and move into the U.S. this weekend and into ...
During the 2014 January polar vortex, more than 20 people across the country died from the cold as places like Georgia — which rarely see serious cold — dealt with lows under 10 degrees ...
A stretched polar vortex like this one happens lower in the atmosphere and is different than when the polar vortex has sudden warming, weakens and all the cold air escapes south and out of the ...
Beginning Saturday, the polar vortex began to dip down into the northern tier of the U.S., dropping temperatures into the single digits. Wind chills dropped into the negative teens for that region.
When the polar vortex is strong, the mid-latitude Westerlies (winds at the surface level between 30° and 60° latitude from the west) increase in strength and are persistent. When the polar vortex is weak, high-pressure zones of the mid-latitudes may push poleward, moving the polar vortex, jet stream, and polar front equatorward. The jet ...
An illustration of the polar jet stream and the polar vortex in the layers of atmosphere above the northern hemisphere shows the elongated shape of the vortex on Jan. 16, 2025.
Climate change in Antarctica, 2023–2024 El Niño event The 2024 Antarctica heat wave refers to a prolonged and significant mid- winter increase in Antarctic temperatures compared to prior winters, causing several regions of Antarctica to reach temperatures 10 °C (18.0 °F) above normal in July 2024, up to a 28 °C (50.4 °F) increase above ...