Energy suppliers report problems with tens of thousands of customers. In Tennessee alone, up to 140,000 homes were without power, according to the website poweroutage.us. In addition, some 5,000 flights have been canceled across the country. At the Dallas/Fort Worth airport in Texas, air traffic had to be completely shut down for a while due to the ice cover on the runways.
The winter weather threatens to continue. The meteorological services warn of whirlwinds in the states of Mississippi and Alabama.
