The latest red flag warning includes the Inland Empire and Orange County, as well as the already ravaged Los Angeles area.

Come Monday is another Santa Ana wind event that will run into Wednesday, predominately affecting Los Angeles and Ventura counties.

Red flag criteria is generally when relative humidity is at 15% or less, combined with sustained winds and/or gusts of 25 mph or greater. Both of these conditions must occur simultaneously for at least 3 hours in a 12 hour period, according to the NWS.