Weather Words: Red Flag Warning
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.
Los Angeles under dangerous red flag warnings for extreme fire risk again this week
A particularly dangerous situation red flag warning is in place from noon Monday to 10 a.m. Tuesday local time for a large portion of Ventura and Los Angeles counties.
New wildfires prompt evacuations near San Diego as red flag warnings return to LA
As wildfires continued to burn in Los Angeles, several new fires broke out in San Diego County, prompting evacuation orders and warnings.
Map Shows California Is Under Both Freeze and Red Flag Warnings
A map by the National Weather Service (NWS) shows California under both freeze and red flag fire danger warnings. Why It Matters. Southern California has been ravaged by wildfires
Red Flag Warning returns to San Diego County, prompting Public Safety Power Shutoffs
The National Weather Service issued a Red Flag Warning starting Monday for San Diego County's inland valleys and mountains.
LA fires: ‘Particularly Dangerous Situation’ warning expires while Red Flag remains in effect
Californians in the greater Los Angeles area have been on edge due to high winds and dry conditions. The Palisades and Eaton fires have killed at least 25 and destroyed thousands of homes.
Southern California red flag warning extended to Thursday night
The National Weather Service on Tuesday extended its red flag warning for Southern California until Thursday evening.
Southern California on edge as extreme Santa Ana winds, fire danger return and PDS warning takes effect in LA area
A rare Particularly Dangerous Situation warning has been issued for Southern California as a powerful and potentially damaging Santa Ana wind event​ is expected.
Warnings for dangerous winds extended in Southern California as new wildfires break out
Forecasters warned that dangerous winds will buffet Southern California for at least two more days as new wildfires broke out on Tuesday, a pair of major Los Angeles-area blazes burned for a third week,
Los Angeles at Extreme Fire Risk for Third Week as Winds Return
Hurricane-strength gusts from Santa Ana winds will sweep over the mountains and foothills around Los Angeles, putting the region back on high alert after two weeks of devastating fires.
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What is PDS warning? NWS meteorologist explains
Monday's red-flag warning is a PDS, which stands for "particularly dangerous situation." But what does that mean? An NWS ...
Red Flag Warning extended for San Diego County mountains, valleys; school closures announced
A Red Flag Warning that went into effect Monday for San Diego County mountains and valleys has been extended due to strong ...
Red flag warning issued for Inland Empire, western Coachella Valley as strong winds loom
A red flag warning has been issued for the Inland Empire and some cities in the Coachella Valley as strong gusty winds and ...
Southern California faces most urgent warning for strong winds, extreme fire danger
Forecasters in Southern California expect to issue a 'particularly dangerous situation' red flag warning for the coming week ...