"Storm Slams Southern California, Millions Under Flood Threat"

A powerful storm caused flooding in Ventura County, with neighborhoods in Oxnard and Ventura being heavily affected. The National Weather Service issued a tornado warning, but there was no evidence of a tornado touching down. Flash flood warnings were also issued, and residents were urged to stay off the roads. The storm is expected to bring more rain and potential flooding to the region through Thursday, with concerns about debris flows and overflowing rivers.