"San Diego County Braces for Violent Thunderstorms and Flash Flood Warnings"

Violent thunderstorms are pounding San Diego County, bringing torrential rain and the prospect of widespread flooding. The storm, part of a massive Pacific system, is expected to continue until Tuesday evening, affecting traffic and prompting a rare tornado warning. The storm has already caused one death and numerous incidents of flooding and damage, with more rain expected in the coming days. The National Weather Service has issued flash flood warnings for several areas, and San Diego officials have listed numerous closed or flooded streets. Donations are being accepted to assist flood victims, with the San Diego Foundation raising funds to support recovery efforts.