Red Flag Warning

Palmdale, Ca.- The National Weather Service has issued a "Particularly Dangerous Situation" red flag warning for much of Los Angeles and Ventura counties.

Map of SW California and the current Red Flag Warnings in effect. All areas in red have a high risk for rapid fire growth if a fire starts. Areas outlined in purple are of most concern and are in a Particularly Dangerous Situation (

Official updates

From National Weather Service · Last updated 2 hours ago

RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST WEDNESDAY FOR GUSTY NORTHEAST TO EAST WINDS AND LOW RELATIVE HUMIDITY FOR THE SANTA CLARITA VALLEY, MALIBU COAST, EASTERN SANTA MONICAS, CALABASAS, EASTERN SAN GABRIELS, AND EASTERN SAN FERNANDO VALLEY

...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN

EFFECT 4 AM TUESDAY UNTIL NOON WEDNESDAY DUE TO DAMAGING

NORTHEAST TO EAST WINDS AND LOW HUMIDITIES FOR THE FOLLOWING

AREAS: WESTERN SAN GABRIEL MOUNTAINS/ I5 CORRIDOR/ SOUTHERN

VENTURA COUNTY MOUNTAINS/ SANTA SUSANA MOUNTAINS/ VENTURA VALLEYS

(MAINLY NEAR SIMI VALLEY/MOORPARK/ SANTA PAULA/SOUTH MOUNTAIN)/

WESTERN SANTA MONICAS/ NORTHERN SAN FERNANDO VALLEY (MAINLY

HIGHWAYS 118/210 CORRIDORS FROM PORTER RANCH TO SAN FERNANDO)/

VENTURA COUNTY COASTAL PLAIN--THIS WILL BE A TIME PERIOD OF

LOCALLY DAMAGING WINDS WITH EXTREMELY CRITICAL FIRE WEATHER

CONDITIONS...

...RED FLAG WARNINGS IN EFFECT FOR MUCH OF LOS ANGELES AND

VENTURA COUNTIES THROUGH WEDNESDAY DUE TO GUSTY NORTHEAST TO EAST

WINDS AND LOW HUMIDITIES...

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO

NOON PST WEDNESDAY FOR GUSTY EAST WINDS AND LOW HUMIDITY FOR THE

MOUNTAINS OF SANTA BARBARA AND SAN LUIS OBISPO COUNTIES AS WELL AS

SANTA YNEZ MOUNTAINS EASTERN RANGE, LAKE CASITAS, AND OJAI

VALLEY...

***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) FOR PORTIONS

OF LOS ANGELES AND VENTURA COUNTIES!***

.A long duration Red Flag Warning remains in effect across much

of Los Angeles and Ventura counties through Wednesday, expanding

into the mountains of San Luis Obispo and Santa Barbara counties

by tonight. THERE WILL LIKELY BE DAMAGING WINDS GUSTING BETWEEN

55 AND 70 MPH ACROSS PORTIONS OF THE RED FLAG WARNING AREA FROM

EARLY TUESDAY MORNING THROUGH WEDNESDAY MORNING, LEADING TO THE

PDS RED FLAG WARNING UPGRADE. AREAS IN THE RED FLAG WARNING

(ESPECIALLY DURING THE PDS TIME FRAME) WILL HAVE A HIGH RISK FOR

LARGE FIRES WITH VERY RAPID FIRE SPREAD, EXTREME FIRE BEHAVIOR,

AND LONG RANGE SPOTTING. WHILE DANGEROUS PDS RED FLAG FIRE WEATHER

CONDITIONS ARE LIKELY WITH THIS EVENT EARLY TUESDAY MORNING INTO

WEDNESDAY MORNING, THIS WIND EVENT IS NOT EXPECTED TO BE AS STRONG

AND DESTRUCTIVE AS LAST WEEK'S WINDSTORM. Due to the more

easterly component of the wind, much of Ventura County will likely

have stronger winds than the offshore wind events this past week.

* WINDS...Periods of northeast to east winds 20 to 30 mph with

gusts 35 to 50 mph today, increasing to 25 to 35 mph with gusts

40 to 55 mph Tuesday into Wednesday morning.

* RELATIVE HUMIDITY...Daytime humidities of 8 to 20 percent

common, driest Tuesday into Wednesday. Minimal humidity

recovery expected at night.

* IMPACTS...If fire ignition occurs, conditions are favorable

for very rapid fire spread and extreme fire behavior,

including long range spotting, which would threaten life and

property.