During adverse weather conditions, backcountry areas are prone to have electricity cut because they are often located in or around wind corridors. For example, Sill Hill in the Cleveland National Forest is a location where SDG&E’s network of 222 weather stations reports wind speeds of 70 mph and higher when Santa Anas blow through.

"Public Safety Power Shutoffs are approved by state regulators as an important safety tool of last resort to mitigate fire risk during dangerous weather conditions," SDG&E said. A map of current power outages can be found at sdge.com/outages. Officials said to never approach damaged infrastructure or downed power lines.

Around 2,600 people in San Diego County remained without power Wednesday afternoon as part of ongoing public safety power shutoffs.

Tens of thousands of Southern California Edison customers are without power due to the dangerous red flag conditions, and more shutoffs could be coming to prevent any new wildfires.

San Diego Gas & Electric is warning of possible power shutoffs this week as a new round of Santa Ana winds whip through the region.

"Due to a new round of Santa Ana winds and elevated fire weather conditions impacting our region this week, San Diego Gas & Electric has initiated Public Safety Power Shutoffs in certain communities to help reduce wildfire risk and protect public safety,

The areas most impacted in the LA area by SCE’s public safety power shutoffs are La Canada Flintridge, Pasadena, Malibu, Santa Clarita, and the Santa Monica Mountain area.

"Due to a new round of Santa Ana winds and elevated fire weather conditions impacting our region this week, San Diego Gas & Electric has initiated Public Safety Power Shutoffs in certain communities to help reduce wildfire risk and protect public safety,

Nearly 60,000 SDG&E customers in numerous parts of the county are being warned to prepare for potential Public Safety Power Shutoffs with a Red Flag Warning taking effect Monday afternoon.