Massive U.S. Storm Prompts Severe Weather Threats For Millions

A massive winter storm is affecting areas from the Canadian border to the Gulf of Mexico, bringing blizzard conditions, ice, flash flooding, and tornado threats. The storm is causing hazardous driving conditions, with significant snow accumulation in regions like the Sierra Nevada and Great Plains. Multiple states are under weather advisories, and severe weather, including tornadoes, is expected in Texas and surrounding areas. The storm will continue to move east, impacting the Ohio River Valley and East Coast later in the week. Residents are advised to stay informed and prepared for severe weather conditions.

What are the main threats associated with the winter storm mentioned in the text?

How many states are under winter weather advisories and warnings due to the storm?

What precautions are advised for drivers in areas affected by the storm?

What specific weather conditions are expected in Nebraska and surrounding areas?

What severe weather events are predicted for Texas and Louisiana as the storm moves east?