![]() Meteorologists call it a ‘vortex’ because of the winds swirling around the region. (FOX Weather) Its so cold that the National Weather Service has issued Wind Chill Advisories and Warnings from the Canadian border to the Mexican border. While it usually sits over the Arctic, the. Washington: Nearly 90 million people will experience temperatures at or below minus 17 degrees Celsius this week, from the. The polar vortex sliding south into the Midwest is sending temperatures to their lowest levels in more than 30 years and, in some cases, setting records. This large-scale circulation of winds wraps around the higher latitudes like a wall, keeping the deepest chill of winter’s wrath confined to the far northern reaches of Canada, Scandinavia, and Siberia. A look at the wind chill alerts through Wednesday, Jan. Polar vortex descends on US with dangerous, extremely rare wind chills. The polar vortex is a broad area of low pressure high in the atmosphere above the Arctic that strengthens in the winter and weakens in the summer. A polar vortex holds back frigid air like a dam turned “polar vortex” into viral catnip on social media and thrusted it into our everyday vocabulary. Record temperatures broken across the U.S. A polar vortex is ushering in Arctic air, bringing the coldest temperatures in 70 years for some areas Residents should brace themselves for dangerously cold overnights, with wind chills. (Climate Reanalyzer via Climate Change Institute/University of Maine)Ī particularly brutal cold snap in early 2014 sent Toronto’s nighttime lows plummeting below -15☌ through much of January and February, with Calgary enduring nights colder than -20☌ through half of February. The abnormally warm temperatures in the Arctic show how the frigid air was dislodged south into Canada during the month. Temperature anomalies across Canada in February 2014. The mayor of Lansing, Michigan reported shelters in his city were becoming “overloaded”, and a senior adviser to the mayor of Detroit worried anyone who refused help would “freeze or lose a limb”, according to the Detroit News.(Climate Reanalyzer) Temperature anomalies polar vortex February 2014 “I’m cold and I’m afraid,” Tony Neeley, a homeless Chicago resident, told the New York Times on Tuesday evening. Using CN05.1 dataset and NCEP reanalysis, this study investigated the potential linkage between the tropospheric polar vortex and extreme winter cold events over Northeast China. Advocates said there are rarely enough shelter beds for all homeless people. In many cities, concern is especially acute for homeless people who may have nowhere to stay. BEIJING: The cause of a wave of bitingly cold air that swept into China and rewrote seasonal records for low temperatures may lie further north - a potential weakening in the. ![]() Daytime highs could climb into the single digits before warming up to the comparatively balmy 20s (-7 to -2 celsius) by Friday. The season has been active, with at least 2 disruptions (dips below the zero line, which mean that the prevailing west-to-east winds at 60North have reversed directions). Some isolated areas could see as low as -40F (-40C), according to the National Weather Service. Westerly wind speeds in the polar vortex for the 2023-24 winter (dark blue line). Temperatures in Chicago were expected to tumble again into the -20s Fahrenheit (-30s Celsius) early on Thursday. Even the south pole was warmer, with an expected low of -24F (-31C) with wind chill. Andrew Orrison, a meteorologist with the service, said the some of the coldest wind chills were recorded in International Falls, Minnesota, at -55F (-48C). The polar vortex contains some of the coldest air on Earth.
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