Wednesday, 23 October 2019

A view of frozen Lake Michigan during the polar vortex is seen from an airplane in Chicago, Illinois, U.S. in this photo obtained from social media, taken January 30, 2019. Tens of millions of Americans braved Arctic-like temperatures as low as minus 56 degrees Fahrenheit (minus 49 Celsius) on Thursday that paralyzed the U.S. Midwest and were blamed for at least 21 deaths. TWITTER/@ADRIENNEMC83/ Via REUTERS

Woman clears a car in the snow during a winter storm in Buffalo, New York, U.S., January 31, 2019. Officials across multiple states linked numerous deaths to the frigid air. The death toll rose from a previous 12 after at least nine more people in Chicago were reported to have died from cold-related injuries, according to Dr Stathis Poulakidas at the city's John H Stroger Jr Hospital. REUTERS/Lindsay DeDario

People photograph a mostly frozen Bryant Park fountain, as record low temperatures spread across the Midwest and Eastern states, in New York City, U.S., January 31, 2019. A University of Iowa student was found dead on campus of possible exposure early on Wednesday, according to university officials. The wind chill at the time police found Gerald Belz, 18, was minus 51 F (minus 46 C), according to the National Weather Service. REUTERS/Brendan McDermid

U.S. Coast Guard member works on a boat used as an ice breaker along the Hudson river between the towns of Kingston and Poughkeepsie during a polar vortex in New York, U.S., January 31, 2019. Homeless and displaced people were particularly at risk, with Chicago and other cities setting up warming shelters. But many toughed it out in encampments or vacant buildings. A 60-year-old woman found dead in an abandoned house in Lorain, Ohio, was believed to have died of hypothermia, Lorain County Coroner Stephen Evans said. REUTERS/Eduardo Munoz

A worker cleans up after a large fire extinguished by the New York Fire Department (NYFD) as they worked in frigid conditions in the Brooklyn Borough of New York, U.S., January 31, 2019. It has been more than 20 years since a similar Arctic blast covered a swath of the Midwest and Northeast, according to the weather service. REUTERS/Lloyd Mitchell

A worker from AAA aids vehicle trapped in snow during the polar vortex in Buffalo, New York, U.S., January 31, 2019. More than 30 record lows were shattered across the Midwest. Cotton, Minnesota, had the lowest national temperature recorded early on Thursday at minus 56 F (minus 48 C) before the weather warmed up, the weather service reported. REUTERS/Lindsay DeDario