Wildfires
Live Blog EndedDec 11, 2024

Updates: Schools closed as Santa Ana winds, low humidity threaten San Diego

More than 46,500 SDG&E customers were without power Wednesday morning

NBC Universal, Inc.

This live blog about the Red Flag Warning in San Diego County has ended.

What to Know

  • Wind gusts tapered off Tuesday night and a Red Flag Warning expired at 4 a.m. Wednesday
  • Despite relief from Santa Ana winds, humidity levels were below 10%, elevating wildfire danger
  • More than 46,500 SDG&E customers are currently without power. At the peak of the Public Safety Power Outage, more than 51,000 were in the dark
  • Public Safety Power Shutoff locations and community resource center locations can be found on SDG&E's website.
  • School closures: Alpine Union, Dehesa, Borrego Springs Unified, Jamul-Dulzura Union, Julian Union Elementary, Julian Union High, Mountain Empire, Spencer Valley, Ramona Unified, Vallecitos and Warner Unified school districts, as well as Pauma School in Valley Center-Pauma Unified School District, Barona Indian Charter School in Lakeside Union School District, and Del Lago Academy in Escondido Union High School District will be closed Wednesday

Santa Ana winds and extremely low humidity were creating a dangerous weather concoction for Southern California that sparked wildfires in San Diego and forced SDG&E to cut power to tens of thousands of people.

More than 46,500 SDG&E customers were still without power on Wednesday with a potential for up to 115,800 to have their utilities cut in order to prevent Santa Ana winds from downing power lines and sparking wildfires. At the peak of SDG&E's Public Safety Power Outages, more than 51,000 people were in the dark.

NBC 7 meteorologists said it was one of the strongest Santa Ana wind events in recent years. Gusts combined with relative humidity less than 10% means any wildfire that sparks could spread rapidly.

Firefighters made fairly quick work of two fires on Tuesday morning, one in Ramona that burned less than 2 acres, and a second later in the day in East County near the U.S.-Mexico border that burned at least two dozen acres before crews gained the upper hand.

A Red Flag Warning, which is issued during critical fire danger conditions, expired at 4 a.m. Wednesday but low humidity continued to create potentially dangerous

NBC 7's team of reporters and meteorologists are tracking fire weather conditions and their effects across San Diego County. Follow the latest updates on fire weather conditions in our live blog.

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