Transcript for Major storm sweeps across US, causing flash floods in California
murder. Reporter: David, the district attorney said they spoke to nearly 300 witnesses. Thank you. And now to the severe weather, the system moving into Arizona, burying flagstaff under deep snow. At this hour, severe storms firing up in the south. And winter storm alerts in the north. Rob Marciano is here with the new track for us. Reporter: The storms are popping as night falls. And a tornado watch including Dallas, up to Oklahoma City, and through Tulsa. Over 12 million people in the threat zone. That red zone gets through new Orleans in the morning, and will be through Atlanta. Hail and big winds, rain getting to D.C. And Richmond. At least half of the weekend will be a washout here, and heavy snow in the plains. David? Thank you. And president trump in
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