Nearly a dozen states received hazardous weather warnings from the National Weather Service as of early Wednesday.

The wind chills as low as 15 degrees are expected for parts of Alabama, Georgia and Florida Thursday evening into Friday morning.

More than 220 million people across the United States are facing dangerous cold that will also open the door for a potentially historic and crippling winter storm that could deliver snow as far south as Florida and the Gulf of Mexico.

Snow totals in Louisiana have broken records. Parts of Florida, Texas and Georgia have also accumulated several inches of snow.

The National Weather Service said in a forecast discussion Sunday that ... Sunday.The storm was expected to make its way east along the Gulf Coast and southeast United States on Tuesday, the National Weather Service said in a forecast discussion.

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

It’s been a somewhat mild winter so far, but things have certainly changed as winter weather makes its presence known across the Lower 48 states ... The National Weather Service said ...

Follow NBC News live updates for the latest coverage of the freezing winter weather affecting large swaths of the U.S., from the Midwest to the South.

A strong polar vortex is expected to keep cold air in Canada and the northwest U.S. in February, March and April, according to Weather Channel.

Memphis is set to get hit with a cold weather system early this week that could drop wind chills to as low as 5 degrees.

The United States Geological Survey (USGS) has confirmed the earthquake happened Wednesday night in Karnes County.

Black Hawk that collided with passenger plane had 3 soldiers on board From CNN’s Natasha Bertrand and Haley Britzky The US Army Black Hawk helicopter that collided with a passenger aircraft had a crew of three and was not carrying any VIPs,