A major winter storm slammed the US Gulf Coast Tuesday, blanketing parts of a region largely unaccustomed to extreme winter weather with record-breaking snowfall.

A major storm spread heavy snow, sleet and freezing rain across the southern United States on Wednesday, breaking snow records and treating the region to unaccustomed perils and wintertime joy.

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Part of a legal description of a boundary line of Dixie County, for instance, says it goes "southerly down the thread of the main stream of said Suwannee River to the Gulf of Mexico; thence along said Gulf of Mexico, including the waters of said gulf within the jurisdiction of the State of Florida, to the mouth of the Steinhatchee River."

Winter storm warnings spread from Louisiana through Virginia on Tuesday as a winter storm hit the U.S. Southeast.

The National Weather Service issued an updated winter storm warning at 10:38 p.m. EST on Tuesday valid from Wednesday 7 a.m. EST until Thursday 1 a.m. EST for Leelanau, Benzie and Manistee counties.

The NBA and multiple college basketball conferences postponed games in response to winter weather that broke snowfall records in some southern states and coated others with a mix of snow and ice.

Houston first responders found two people dead Wednesday in separate locations. Autopsies will determine causes of death; it’s unclear if the cold was a factor.

A powerful Arctic blast is bringing life-threatening cold to the Midwest and Northeast, while a rare winter storm blankets the Gulf Coast.

Forecasters said it was too early to tell whether the ice and snow would approach or beat Tallahassee’s all-time snowfall record of 2.8 inches set in 1958.

Myriad winter weather alerts and warnings remained in place across the U.S. on Tuesday as multiple states battled storms.