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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.
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 next week. "These are the types of weather systems that even bring cold ...
A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans from the Deep South to the Northeast Saturday going into next week. The ...
A shift in cold air is set to bring heavy snow and sub-zero conditions in the first half of January. ... The polar vortex is an area of cold air that circulates around the Arctic. That area can ...
Editor's Note for Sat. Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update. A polar vortex is forecasted to blanket most of the continental United States in ...
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 ...
The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level jet stream that typically circulates around both the North and South Poles, but can push ...
Temperatures are expected to plummet over the weekend, bringing life-threatening conditions to large stretches of the United States. The polar vortex will send temperatures below freezing for much ...