A Red Flag warning is in effect through Saturday afternoon for much of Los Angeles and Ventura counties.
Gusty northeast winds and low humidity will bring critical fire weather conditions to lower elevation areas through Saturday afternoon. Northerly winds will shift to the northeast and strengthen overnight into Friday, producing the strongest and most widespread Santa Ana event so far this season.
Expect north to northeast winds at 20 to 30 miles per hour with gusts to 50 miles per hour Thursday night through Friday, weakening to 15 to 25 mph with gusts to 35 mph Friday night through Saturday.
If a fire should ignite, the combination of critical fire weather conditions and very dry fuels will create the potential of rapidly spreading wildfire.
L.A. County has activated its Emergency Operations Center due to the dangerous weather conditions.