Tornadoes
In San Francisco, authorities issued the first-ever tornado warning.
The fast-moving storm prompted warnings for San Francisco residents to take shelter, but few people have basements in the area.
Amid Wednesday's storms, the National Weather Service continued issuing tornado warnings in North Carolina, Alabama, Georgia, Missouri and Kentucky.
Three people were hurt in Nebraska’s Lancaster County when a tornado hit an industrial building, causing it to collapse with 70 people inside.
WHAT'S HAPPENING
Thousands of homes and businesses were without power as severe weather roared through several states, causing at least one death and spawning possible tornados.
Severe storms that tore through central Tennessee killed six people Saturday and sent about two dozen to the hospital.
CBS Chicago's chief meteorologist was reporting on the nearby storm when he warned co-workers it was time to seek shelter.
The National Weather Service had issued two tornado warnings for portions of the city Wednesday evening.
Drone footage and photos showed wide expanses of debris-covered terrain, decimated homes and mangled trees.
Three people have been killed after a tornado tore through the Texas Panhandle town of Perryton, leaving dozens more injured amid widespread damage.