Climate researchers say changes in global weather patterns could cause a disruption of the polar vortex, leading to severe winter weather. It might seem counterintuitive, but the dreaded polar vortex is bringing its icy grip to parts of the US thanks to a sudden blast of warm air in the Arctic -- and Americans should get used to it. Polar vortex 2019: Record cold grips the Midwest as Chicago River turns to ice. ... As that number continues to grow, the improvements implemented as a result of the 2019 polar vortex will help MISO maintain operational reliability while increasingly using these low-cost resources that are critical to achieving a decarbonized energy system. Watch Queue Queue Arctic Polar Vortex Shift from North Pole to Greenland: Large Ozone Hole and Sea-Ice Loss // Mar 28, 2020 I predicted 1.5 years ago that Arctic sea-ice loss will shift the jet stream center of rotation to Greenland’s center at 73 degrees N latitude. This shift essentially … The polar vortex brought temperatures lower than minus 50 degrees, and forecasters are predicting that some places will become up to 80 degrees higher than their lowest temperatures during the week. This video is unavailable. The polar vortex that brought record-low temperatures to the US and killed at least 21 people is coming to an end — and temperatures are expected to spike this weekend.. Polar vortex puts chill into ‘meteorological spring’ Much of the U.S. is experiencing bitter cold as a storm charges eastward. In early March 2019, the polar vortex—the very cold air mass that normally circulates in the Arctic—bulged down into North America bringing temperatures well below freezing. March 1, 2019 in Electricity Author: Matt Prorok. Share; Tweet Reddit Flipboard Email Historic cold snap breaking records . Watch Queue Queue.