Another blast of Santa Ana winds Thursday prompted San Diego Gas & Electric to cut off electricity to thousands of residents in another of a wave of power outages that have continued off and on for two weeks.

The National Weather Service has extended a Red Flag Warning until Friday morning for San Diego County's inland valleys and mountains.

A Red Flag Warning that went into effect Monday for San Diego County mountains and valleys has been extended due to strong gusty winds and low relative humidity.

Santa Ana winds picked up across San Diego County Monday, prompting a red flag warning for the most wind-prone areas and power shut-offs for some San Diego Gas & Electric customers.

San Diego Gas & Electric crews were working to restore power to North County coastal residents affected by unplanned outages Wednesday morning.

A gas leak was reported on Harbor Island Thursday morning, prompting authorities to shut down traffic in the area.

Crews were making progress fighting a brush fire that caused thousands of people to flee their homes and businesses in Rancho Bernardo on Wednesday morning. San Diego Fire-Rescue officials ordered a massive response after the blaze in the area of Bernardo Center Drive and Camino del Norte was discovered.

San Diego Gas & Electric resumed public safety power shutoffs in stretches of San Diego’s backcountry overnight into Tuesday as a Red Flag Warning for critical fire danger took hold.

Scores of residents were urged to flee as fast-moving fires hurtled through bone-dry brush in Bonsall and Mission Valley Tuesday

The Red Flag Warning expired in San Diego and SDG&E has restored the power to areas shut off during the warning.

Dangerous conditions continue to develop in San Diego County, with red flag warnings and strong winds increasing the wildfire threat. The National Weather Service issued red flag warnings until 8 p.m. Thursday for inland valleys and mountain areas, with winds expected to reach 30 to 45 mph with gusts of 60 to 75 mph.

Thousands of San Diego Gas & Electric (SDG&E) customers are experiencing public safety power shutoffs as high winds and low humidity continue to elevate wildfire risk across Southern California.