An intense storm fueled by an atmospheric river has struck Southern California, bringing heavy rain and strong winds to the region. According to USA Today, the storm began on Christmas Eve, causing widespread flooding and power outages. The National Weather Service issued flash flood warnings for Los Angeles, Santa Barbara, Ventura, and surrounding counties. Major roads, including Interstate 5 and U.S. Route 2, have been closed due to flooding and debris flows. Evacuation orders have been issued for canyon communities in Orange and San Bernardino counties, while areas affected by wildfires earlier this year face heightened risks of mudflows. The storm has led California Governor Gavin Newsom to declare a state of emergency in five counties, including Los Angeles and San Diego.