The snowstorm has coated traditionally warmer parts of Southern USA with a deep lining of white powder, leading to flight cancellations and the closure of at least one airport.

The National Weather Service (NWS) has issued urgent weather warnings for several counties across the state, with temperatures dropping below freezing and wind chills reaching dangerously low levels.

This winter saw one of the warmest Decembers on record in much of the northern United States ... Service map, visualized by Newsweek below, 17 counties are under freeze warnings in Florida ...

A blizzard warning was issued for the first time ever for the Gulf Coast of the US (Picture: FOX Weather) A blizzard warning has been issued for the first time as a winter storm threatens to be ...

Wind chill warnings were renamed to extreme cold warning. Wind chill advisory was renamed to cold weather advisory. A freeze warning means you need to take action. A freeze warning is issued ...

Metro Phoenix and large swaths of the desert areas of Arizona were under a freeze warning through Sunday, the National Weather Service in Phoenix warned on Friday. The weather service later issued ...

The National Weather Service in Phoenix shared this map of the areas under a freeze warning for Tuesday night into Wednesday morning. The National Weather Service in Phoenix warned that areas in ...