Winter Storm Cora is sweeping through the Southeast and Ohio Valley, delivering a mess of snow and some ice from Tennessee to the Carolinas and Virginia, including Charlotte and Raleigh. The wintry mess is snarling travel and in some cases icing could be heavy enough to cause power outages and tree damage.

Devastating fires in Lahaina, Hawaii and Paradise, California share a crucial root cause with the LA blazes. It's a clue to our fire future. The storm will produce heavy snow and disruptive ice for tens of millions of people across the South.

Some southern states are bracing for their biggest winter storm in several years as snow falls from the Rockies to the East Coast. On Thursday, the weather starts to deteriorate in northern and western Texas,

Twenty states, from Texas to Delaware, were on alert Friday for snow and ice as the storm continued to move across the South.

Brutal cold will open the door for a winter storm to take a somewhat unusual track through the South and create treacherous conditions.

Any wintry precipitation in Oklahoma and Texas should end by midday. Snow will spread from the Mid-South region into Kentucky, Tennessee, far northern parts of Mississippi, Alabama and Georgia into North Carolina and upstate South Carolina.

Storm Cora will bring a round of snow and ice to many southern cities, including Dallas, Shreveport, Little Rock, Birmingham, Atlanta, Memphis and Raleigh. Several inches of snow and some ice will fall from Texas to Georgia and South and North Carolina through Saturday.