A rare and deadly winter storm descended across the southern U.S. on Tuesday, leaving some record-setting snow totals and halting travel for millions of Americans in Louisiana, Texas and Florida.

It all starts with rising sea surface temperatures across the Atlantic Ocean. As the southerly winds blow across these ...

which dumped a whopping 6-20 inches of snow along the Texas and Louisiana coasts," said Alex Sosnowski, AccuWeather senior ...

Here’s what’s happening now: • Historic storm underway: Snow is falling from southeast Texas through Louisiana and into parts of Mississippi and Alabama Tuesday and creating treacherous ...

Record snowfall: Snow is falling from southeast Texas through Louisiana and into parts of Mississippi and Alabama Tuesday, creating treacherous conditions. An area stretching from Houston into ...

Intensifying thunderstorms across the southern and eastern U.S. threatened to unleash dangerous weather conditions.