687  
WWUS86 KLOX 201757  
RFWLOX  
 
URGENT - FIRE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
957 AM PST MON JAN 20 2025  
 
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG  
WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA  
COUNTIES!***  
 
***POWERFUL DAMAGING WINDS EXPECTED!***  
 
...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN  
EFFECT NOON TODAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA  
WINDS AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA  
CLARITA VALLEY / VENTURA COUNTY BEACHES / VENTURA COUNTY INLAND  
COAST / CENTRAL VENTURA COUNTY VALLEYS / MALIBU COAST FOR MALIBU  
AND POINTS WEST / WESTERN SANTA MONICA MOUNTAINS / CALABASAS AND  
AGOURA HILLS / WESTERN SAN FERNANDO VALLEY FOR RESEDA AND POINTS  
NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK AND POINTS NORTH /  
SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA MOUNTAINS /  
VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN GABRIEL  
MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND  
NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED  
FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR  
ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN THESE SAME  
AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES OUTSIDE OF  
THE PDS-DESIGNATED AREAS...  
 
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG  
SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA  
MOUNTAINS / CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES  
HILLS / ANTELOPE VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE  
ISLANDS / SANTA CRUZ AND ANACAPA ISLANDS...  
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING  
THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW  
RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA  
COUNTIES...  
 
.VERY STRONG SANTA ANA WINDS ARE DEVELOPING TODAY AND PEAKING  
THIS AFTERNOON INTO TUESDAY MORNING. HUMIDITIES WILL DRASTICALLY  
LOWER TO THE SINGLE DIGITS. ALONG WITH THE EXTREMELY DRY FUELS,  
THIS WILL CREATE EXTREMELY CRITICAL FIRE-WEATHER CONDITIONS AND  
RAPID FIRE SPREAD WITH ANY FIRES. THEREAFTER, WITH DRY CONDITIONS  
LASTING THROUGH AT LEAST THURSDAY, AND ADDITIONAL ROUNDS OF  
ENHANCED OFFSHORE FLOW LIKELY WEDNESDAY NIGHT THROUGH THURSDAY.  
FOR THIS REASON A FIRE WEATHER WATCH IS IN EFFECT TUESDAY NIGHT  
THROUGH THURSDAY.  
 
CAZ288-354-355-358-362-369-371>380-211730-  
/O.CON.KLOX.FW.W.0003.000000T0000Z-250122T0600Z/  
/O.CON.KLOX.FW.A.0004.250122T0600Z-250124T0600Z/  
SANTA CLARITA VALLEY-VENTURA COUNTY BEACHES-  
VENTURA COUNTY INLAND COAST-CENTRAL VENTURA COUNTY VALLEYS-  
MALIBU COAST-WESTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA-  
CALABASAS AND AGOURA HILLS-WESTERN SAN FERNANDO VALLEY-  
EASTERN SAN FERNANDO VALLEY-SOUTHEASTERN VENTURA COUNTY VALLEYS-  
SANTA SUSANA MOUNTAINS-SOUTHERN VENTURA COUNTY MOUNTAINS-  
NORTHERN VENTURA COUNTY MOUNTAINS-INTERSTATE 5 CORRIDOR-  
WESTERN SAN GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR-  
EASTERN SAN GABRIEL MOUNTAINS-  
957 AM PST MON JAN 20 2025  
 
***THIS IS A PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG  
WARNING FOR A LARGE PORTION OF LOS ANGELES AND VENTURA  
COUNTIES!***  
 
***POWERFUL DAMAGING WINDS EXPECTED!***  
 
...PARTICULARLY DANGEROUS SITUATION (PDS) RED LAG WARNING IN EFFECT  
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS AND VERY  
LOW HUMIDITIES FOR THE FOLLOWING AREAS: SANTA CLARITA VALLEY / VENTURA  
COUNTY BEACHES / VENTURA COUNTY INLAND COAST / CENTRAL VENTURA COUNTY  
VALLEYS / MALIBU COAST FOR MALIBU AND POINTS WEST / WESTERN SANTA MONICA  
MOUNTAINS / CALABASAS AND AGOURA HILLS / WESTERN SAN FERNANDO VALLEY  
FOR RESEDA AND POINTS NORTH / EASTERN SAN FERNANDO VALLEY FOR BURBANK  
AND POINTS NORTH / SOUTHEASTERN VENTURA COUNTY VALLEYS / SANTA SUSANA  
MOUNTAINS / VENTURA COUNTY MOUNTAINS / INTERSTATE 5 CORRIDOR / SAN  
GABRIEL MOUNTAINS AND HIGHWAY 14 CORRIDOR / SAN GABRIEL VALLEY ALONG AND  
NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA -- AND RED FLAG  
WARNING DUE TO STRONG SANTA ANA WINDS AND LOW HUMIDITIES FOR ALL OTHER  
TIMES UNTIL 10 PM TUESDAY IN THESE SAME AREAS AND ALSO FOR REMAINING  
PORTIONS OF THESE ZONES OUTSIDE OF THE PDS-DESIGNATED AREAS...  
 
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PST TUESDAY FOR STRONG SANTA  
ANA WINDS AND LOW RELATIVE HUMIDITY FOR EASTERN SANTA MONICA MOUNTAINS /  
CATALINA AND SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE  
VALLEY FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND  
ANACAPA ISLANDS...  
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH  
THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW RELATIVE  
HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA  
COUNTIES...  
 
* WINDS...FOR THE PDS RED FLAG WARNING -- ***POWERFUL DAMAGING  
WINDS EXPECTED!*** FOR THE MOUNTAINS AND FOOTHILLS, NORTHEAST  
WINDS INCREASING TO 35 TO 50 MPH WITH WIDESPREAD DAMAGING GUSTS  
OF 60 TO 80 MPH EXPECTED. ISOLATED GUSTS 80 TO 100 MPH EXPECTED  
IN MOST WIND-PRONE MOUNTAIN LOCATIONS, SUCH AS THE SAN GABRIELS,  
SANTA SUSANAS, WESTERN SANTA MONICAS, AND SOUTHERN VENTURA  
MOUNTAINS ADJACENT TO THE HIGHWAY 126 CORRIDOR. FOR THE COASTS  
AND VALLEYS, NORTHEAST TO EAST WINDS INCREASING TO 25 TO 40 MPH  
WITH DAMAGING GUSTS OF 50 TO 70 MPH, STRONGEST ALONG THE HIGHWAY  
118, 126, AND 210 CORRIDORS.  
 
* RELATIVE HUMIDITY...DAILY MINIMUMS OF 5 TO 15 PERCENT WITH  
VERY POOR OVERNIGHT RECOVERIES.  
 
* IMPACTS...IF FIRE IGNITION OCCURS, CONDITIONS ARE FAVORABLE  
FOR EXTREME FIRE BEHAVIOR AND RAPID FIRE GROWTH, WHICH WOULD  
THREATEN LIFE AND PROPERTY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. USE EXTREME CAUTION  
WITH ANYTHING THAT CAN SPARK A WILDFIRE. RESIDENTS NEAR WILDLAND  
INTERFACES SHOULD BE PREPARED TO EVACUATE IF A WILDFIRE BREAKS  
OUT. SEE READYFORWILDFIRE.ORG AND WILDFIRERISK.ORG FOR  
INFORMATION.  
 
A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE LIKELY TO OCCUR IN THE COMING DAYS. RESIDENTS NEAR WILDLAND  
INTERFACES SHOULD PREPARE NOW ON WHAT TO DO IF A WILDFIRE BREAKS  
OUT. SEE READYFORWILDFIRE.ORG AND WILDFIRERISK.ORG FOR  
INFORMATION.  
 

 
 

 
 
CAZ370-211730-  
/O.CON.KLOX.FW.W.0003.000000T0000Z-250121T2200Z/  
/O.CON.KLOX.FW.A.0004.250122T0600Z-250124T0600Z/  
EASTERN SANTA MONICA MOUNTAINS RECREATIONAL AREA-  
957 AM PST MON JAN 20 2025  
 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 2 PM PST TUESDAY FOR  
STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR THE EASTERN  
SANTA MONICA MOUNTAINS...  
 
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY EVENING  
THROUGH THURSDAY EVENING FOR GUSTY SANTA ANA WINDS AND VERY LOW  
RELATIVE HUMIDITY FOR A LARGE PORTION OF LOS ANGELES AND VENTURA  
COUNTIES...  
 
* WINDS...FOR THE RED FLAG WARNING -NORTHEAST WINDS 25 TO 35  
MPH WITH GUSTS UP TO 45 TO 55 MPH EXPECTED MONDAY THROUGH  
TUESDAY AFTERNOON.  
 
* RELATIVE HUMIDITY...DAILY MINIMUMS OF 5 TO 15 PERCENT WITH  
VERY POOR OVERNIGHT RECOVERIES.  
 
* IMPACTS...IF FIRE IGNITION OCCURS, CONDITIONS ARE FAVORABLE  
FOR EXTREME FIRE BEHAVIOR AND RAPID FIRE GROWTH, WHICH WOULD  
THREATEN LIFE AND PROPERTY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. USE EXTREME CAUTION  
WITH ANYTHING THAT CAN SPARK A WILDFIRE. RESIDENTS NEAR WILDLAND  
INTERFACES SHOULD BE PREPARED TO EVACUATE IF A WILDFIRE BREAKS  
OUT. SEE READYFORWILDFIRE.ORG AND WILDFIRERISK.ORG FOR  
INFORMATION.  
 
A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE LIKELY TO OCCUR IN THE COMING DAYS. RESIDENTS NEAR WILDLAND  
INTERFACES SHOULD PREPARE NOW ON WHAT TO DO IF A WILDFIRE BREAKS  
OUT. SEE READYFORWILDFIRE.ORG AND WILDFIRERISK.ORG FOR  
INFORMATION.  
 

 
 

 
 
CAZ548-211730-  
/O.CON.KLOX.FW.W.0003.000000T0000Z-250122T0600Z/  
LOS ANGELES COUNTY SAN GABRIEL VALLEY-  
957 AM PST MON JAN 20 2025  
 
...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG WARNING IN EFFECT  
NOON MONDAY UNTIL 10 AM TUESDAY DUE TO DAMAGING SANTA ANA WINDS  
AND VERY LOW HUMIDITIES FOR THE FOLLOWING AREAS: SAN GABRIEL VALLEY  
ALONG AND NORTH OF HIGHWAY 210 INCLUDING ALTADENA AND GLENDORA --  
AND RED FLAG WARNING DUE TO STRONG SANTA ANA WINDS AND LOW  
HUMIDITIES FOR ALL OTHER TIMES 8 AM MONDAY UNTIL 10 PM TUESDAY IN  
THESE SAME AREAS AND ALSO FOR REMAINING PORTIONS OF THESE ZONES  
OUTSIDE OF THE PDS-DESIGNATED AREAS...  
 
* WINDS...NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS UP TO 45 TO 55  
MPH EXPECTED. LOCALLY DAMAGING WIND GUSTS TO 65 MPH ALONG AND  
NORTH OF HIGHWAY 210 FROM ALTADENA TO GLENDORA -IN THE PDS  
RED FLAG WARNING AREA.  
 
* RELATIVE HUMIDITY...MINIMUM 5 TO 10 PERCENT.  
 
* IMPACTS...IF FIRE IGNITION OCCURS, CONDITIONS ARE FAVORABLE  
FOR EXTREME FIRE BEHAVIOR AND RAPID FIRE GROWTH, WHICH WOULD  
THREATEN LIFE AND PROPERTY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. USE EXTREME CAUTION  
WITH ANYTHING THAT CAN SPARK A WILDFIRE. RESIDENTS NEAR WILDLAND  
INTERFACES SHOULD BE PREPARED TO EVACUATE IF A WILDFIRE BREAKS  
OUT. SEE READYFORWILDFIRE.ORG AND WILDFIRERISK.ORG FOR  
INFORMATION.  
 

 
 

 
 
CAZ287-367-381-382-549-550-211730-  
/O.CON.KLOX.FW.W.0003.000000T0000Z-250121T2200Z/  
CATALINA AND SANTA BARBARA ISLANDS-PALOS VERDES HILLS-  
WESTERN ANTELOPE VALLEY FOOTHILLS-  
EASTERN ANTELOPE VALLEY FOOTHILLS-  
SAN MIGUEL AND SANTA ROSA ISLANDS-SANTA CRUZ AND ANACAPA ISLANDS-  
957 AM PST MON JAN 20 2025  
 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 2 PM PST TUESDAY FOR  
STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY FOR CATALINA AND  
SANTA BARBARA ISLANDS / PALOS VERDES HILLS / ANTELOPE VALLEY  
FOOTHILLS / SAN MIGUEL AND SANTA ROSE ISLANDS / SANTA CRUZ AND  
ANACAPA ISLANDS...  
 
* WINDS...NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS UP TO 45 TO 55  
MPH EXPECTED. LOCALLY DAMAGING WIND GUSTS TO 65 MPH ACROSS THE  
ANTELOPE VALLEY FOOTHILLS, IN ADDITION TO THE CHANNEL ISLANDS.  
 
* RELATIVE HUMIDITY...DAILY MINIMUMS OF 5 TO 15 PERCENT WITH  
VERY POOR OVERNIGHT RECOVERIES.  
 
* IMPACTS...IF FIRE IGNITION OCCURS, CONDITIONS ARE FAVORABLE  
FOR EXTREME FIRE BEHAVIOR AND RAPID FIRE GROWTH, WHICH WOULD  
THREATEN LIFE AND PROPERTY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS  
ARE EITHER OCCURRING NOW, OR WILL SHORTLY. USE EXTREME CAUTION  
WITH ANYTHING THAT CAN SPARK A WILDFIRE. RESIDENTS NEAR WILDLAND  
INTERFACES SHOULD BE PREPARED TO EVACUATE IF A WILDFIRE BREAKS  
OUT. SEE READYFORWILDFIRE.ORG AND WILDFIRERISK.ORG FOR  
INFORMATION.  
 

 
 

 
 
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