After an atmospheric river brought mudslides, debris flows, toppled trees and flooding to Southern California over the weekend, another colder storm began hitting the region on Monday. Weather officials in response issued flood and snow advisories for parts of the region urging people to stay safe.

CBS LA meteorologists said rain will begin to fall in parts of Los Angeles and Ventura counties during the morning hours, but will not intensify until the afternoon and evening.

The NWS urges residents in the affected areas to monitor local forecasts "and be alert for possible Flood Warnings."

After heavy rain over the weekend, rocks and larger debris could be seen on the roadway on Topanga Canyon Boulevard.

The weekend's storm in Southern California was among the wettest in November in California's recorded history, according to CBS LA Chief Meteorologist Paul Deanno, and the recent rain totals support that assertion.

The most powerful band of a large atmospheric river storm slammed into Southern California on Saturday, dumping much-needed rain across the region but also bringing mudslide dangers.

The second wave of a mid-November storm that arrived earlier this week in Southern California brought hours of rain Friday and Saturday for much of the region. Rainfall that began with scattered showers Friday intensified at the start of the weekend,

Evacuation warnings are in place for parts of Southern California as an incoming storm could bring potential mudslides and debris flows to burn scar areas.