532  
FNUS86 KLOX 051634  
FWLLOX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
934 AM PDT FRI SEP 5 2025  
 
ECC029-061045-  
LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VANDENBERG ECC DISPATCH  
934 AM PDT FRI SEP 5 2025  
   
..DISCUSSION FROM MONTEREY
 
 
A COOLING TREND WILL SUPPRESS FIRE WEATHER CONDITIONS THROUGH THE  
MIDDLE OF NEXT WEEK, HOWEVER MODERATE ONSHORE WINDS WILL CONTINUE  
EACH AFTERNOON. THERE IS A CHANCE FOR THE FIRST WETTING RAIN OF THE  
SEASON IN THE NORTH BAY EARLY NEXT WEEK AS A COLD FRONT PUSHES  
THROUGH. EVEN WITHOUT ANY RAIN, THE COOLER WEATHER AND HIGHER  
HUMIDITY WILL BRING FUEL ENERGY BACK BELOW NORMAL FOR THIS TIME OF  
YEAR.  
 
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.  
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.  
 
   
..DISCUSSION FROM LOS ANGELES/OXNARD
 
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE  
WEEKEND DUE TO WARM AND DRY CONDITIONS COMBINED WITH LOCALLY GUSTY  
ONSHORE WINDS...  
 
THE MONSOONAL MOISTURE AND INSTABILITY CONTINUES TO DIMINISH ACROSS  
OUR MOUNTAINS AND DESERTS. WHILE THERE COULD STILL BE SOME AFTERNOON  
CLOUD BUILDUPS ACROSS THE MOUNTAINS, THERE IS NOT EXPECTED TO BE ANY  
THUNDERSTORM ACTIVITY TODAY.  
 
AS THE UPPER LEVEL RIDGE OF HIGH PRESSURE CONTINUED TO WEAKEN AND  
ONSHORE FLOW NEAR THE SURFACE GRADUALLY INCREASES, THERE WILL  
CONTINUE TO BE A SLIGHT DOWNWARD TREND IN TEMPERATURES THE NEXT FEW  
DAYS, BUT STILL VERY WARM ACROSS THE INTERIOR WITH TEMPERATURES WELL  
INTO THE 90S THROUGH THE WEEKEND. IN ADDITION, MARINE LAYER LOW  
CLOUDS AND FOG WILL CONTINUE TO REESTABLISH EACH NIGHT AND MORNING  
ACROSS COASTAL AND COASTAL VALLEY AREAS THROUGH THE WEEKEND. THE  
VERY WARM TEMPERATURES ACROSS THE INTERIOR COMBINED WITH RESIDUAL  
INSTABILITY WILL RESULT IN MODERATELY DEEP MIXING HEIGHTS BETWEEN  
9,000 AND 12,000 FEET EACH AFTERNOON THROUGH SATURDAY. AS A RESULT,  
THERE IS STILL AN ELEVATED RISK FOR LARGE PLUME DOMINATED FIRES  
ACROSS THE INTERIOR.  
 
TYPICAL DIURNAL WINDS ARE ANTICIPATED FOR THE NEXT SEVERAL DAYS,  
EXCEPT FOR SUNDOWNER WINDS FOR SOUTHWESTERN SANTA BARBARA COUNTY  
DURING THE EVENINGS (NORTHWEST 15 TO 25 MPH WITH GUST TO 35 MPH).  
WITH A DRYING AIR MASS, THE HUMIDITY LEVELS WILL TREND DOWN THE NEXT  
FEW DAYS, WITH MINIMUMS BETWEEN 8 AND 20 PERCENT BECOMING COMMON  
TODAY THROUGH SUNDAY. THE WARM AND DRY CONDITIONS COMBINED WITH  
LOCALLY GUSTY ONSHORE WINDS EACH DAY WILL BRING ELEVATED FIRE  
WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE WEEKEND.  
 

 
 
ECC028-061045-  
SANTA BARBARA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR SANTA BARBARA ECC DISPATCH  
934 AM PDT FRI SEP 5 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE  
WEEKEND DUE TO WARM AND DRY CONDITIONS COMBINED WITH LOCALLY GUSTY  
ONSHORE WINDS...  
 
THE MONSOONAL MOISTURE AND INSTABILITY CONTINUES TO DIMINISH ACROSS  
OUR MOUNTAINS AND DESERTS. WHILE THERE COULD STILL BE SOME AFTERNOON  
CLOUD BUILDUPS ACROSS THE MOUNTAINS, THERE IS NOT EXPECTED TO BE ANY  
THUNDERSTORM ACTIVITY TODAY.  
 
AS THE UPPER LEVEL RIDGE OF HIGH PRESSURE CONTINUED TO WEAKEN AND  
ONSHORE FLOW NEAR THE SURFACE GRADUALLY INCREASES, THERE WILL  
CONTINUE TO BE A SLIGHT DOWNWARD TREND IN TEMPERATURES THE NEXT FEW  
DAYS, BUT STILL VERY WARM ACROSS THE INTERIOR WITH TEMPERATURES WELL  
INTO THE 90S THROUGH THE WEEKEND. IN ADDITION, MARINE LAYER LOW  
CLOUDS AND FOG WILL CONTINUE TO REESTABLISH EACH NIGHT AND MORNING  
ACROSS COASTAL AND COASTAL VALLEY AREAS THROUGH THE WEEKEND. THE  
VERY WARM TEMPERATURES ACROSS THE INTERIOR COMBINED WITH RESIDUAL  
INSTABILITY WILL RESULT IN MODERATELY DEEP MIXING HEIGHTS BETWEEN  
9,000 AND 12,000 FEET EACH AFTERNOON THROUGH SATURDAY. AS A RESULT,  
THERE IS STILL AN ELEVATED RISK FOR LARGE PLUME DOMINATED FIRES  
ACROSS THE INTERIOR.  
 
TYPICAL DIURNAL WINDS ARE ANTICIPATED FOR THE NEXT SEVERAL DAYS,  
EXCEPT FOR SUNDOWNER WINDS FOR SOUTHWESTERN SANTA BARBARA COUNTY  
DURING THE EVENINGS (NORTHWEST 15 TO 25 MPH WITH GUST TO 35 MPH).  
WITH A DRYING AIR MASS, THE HUMIDITY LEVELS WILL TREND DOWN THE NEXT  
FEW DAYS, WITH MINIMUMS BETWEEN 8 AND 20 PERCENT BECOMING COMMON  
TODAY THROUGH SUNDAY. THE WARM AND DRY CONDITIONS COMBINED WITH  
LOCALLY GUSTY ONSHORE WINDS EACH DAY WILL BRING ELEVATED FIRE  
WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE WEEKEND.  
 

 
 
ECC031-061045-  
ANGELES NATIONAL FOREST-  
DISCUSSION FOR LANCASTER ECC DISPATCH  
934 AM PDT FRI SEP 5 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE  
WEEKEND DUE TO WARM AND DRY CONDITIONS COMBINED WITH LOCALLY GUSTY  
ONSHORE WINDS...  
 
THE MONSOONAL MOISTURE AND INSTABILITY CONTINUES TO DIMINISH ACROSS  
OUR MOUNTAINS AND DESERTS. WHILE THERE COULD STILL BE SOME AFTERNOON  
CLOUD BUILDUPS ACROSS THE MOUNTAINS, THERE IS NOT EXPECTED TO BE ANY  
THUNDERSTORM ACTIVITY TODAY.  
 
AS THE UPPER LEVEL RIDGE OF HIGH PRESSURE CONTINUED TO WEAKEN AND  
ONSHORE FLOW NEAR THE SURFACE GRADUALLY INCREASES, THERE WILL  
CONTINUE TO BE A SLIGHT DOWNWARD TREND IN TEMPERATURES THE NEXT FEW  
DAYS, BUT STILL VERY WARM ACROSS THE INTERIOR WITH TEMPERATURES WELL  
INTO THE 90S THROUGH THE WEEKEND. IN ADDITION, MARINE LAYER LOW  
CLOUDS AND FOG WILL CONTINUE TO REESTABLISH EACH NIGHT AND MORNING  
ACROSS COASTAL AND COASTAL VALLEY AREAS THROUGH THE WEEKEND. THE  
VERY WARM TEMPERATURES ACROSS THE INTERIOR COMBINED WITH RESIDUAL  
INSTABILITY WILL RESULT IN MODERATELY DEEP MIXING HEIGHTS BETWEEN  
9,000 AND 12,000 FEET EACH AFTERNOON THROUGH SATURDAY. AS A RESULT,  
THERE IS STILL AN ELEVATED RISK FOR LARGE PLUME DOMINATED FIRES  
ACROSS THE INTERIOR.  
 
TYPICAL DIURNAL WINDS ARE ANTICIPATED FOR THE NEXT SEVERAL DAYS,  
EXCEPT FOR SUNDOWNER WINDS FOR SOUTHWESTERN SANTA BARBARA COUNTY  
DURING THE EVENINGS (NORTHWEST 15 TO 25 MPH WITH GUST TO 35 MPH).  
WITH A DRYING AIR MASS, THE HUMIDITY LEVELS WILL TREND DOWN THE NEXT  
FEW DAYS, WITH MINIMUMS BETWEEN 8 AND 20 PERCENT BECOMING COMMON  
TODAY THROUGH SUNDAY. THE WARM AND DRY CONDITIONS COMBINED WITH  
LOCALLY GUSTY ONSHORE WINDS EACH DAY WILL BRING ELEVATED FIRE  
WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE WEEKEND.  
 

 
 
ECC024-061045-  
SAN LUIS OBISPO COUNTY-  
DISCUSSION FOR SAN LUIS OBISPO ECC DISPATCH  
934 AM PDT FRI SEP 5 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE  
WEEKEND DUE TO WARM AND DRY CONDITIONS COMBINED WITH LOCALLY GUSTY  
ONSHORE WINDS...  
 
THE MONSOONAL MOISTURE AND INSTABILITY CONTINUES TO DIMINISH ACROSS  
OUR MOUNTAINS AND DESERTS. WHILE THERE COULD STILL BE SOME AFTERNOON  
CLOUD BUILDUPS ACROSS THE MOUNTAINS, THERE IS NOT EXPECTED TO BE ANY  
THUNDERSTORM ACTIVITY TODAY.  
 
AS THE UPPER LEVEL RIDGE OF HIGH PRESSURE CONTINUED TO WEAKEN AND  
ONSHORE FLOW NEAR THE SURFACE GRADUALLY INCREASES, THERE WILL  
CONTINUE TO BE A SLIGHT DOWNWARD TREND IN TEMPERATURES THE NEXT FEW  
DAYS, BUT STILL VERY WARM ACROSS THE INTERIOR WITH TEMPERATURES WELL  
INTO THE 90S THROUGH THE WEEKEND. IN ADDITION, MARINE LAYER LOW  
CLOUDS AND FOG WILL CONTINUE TO REESTABLISH EACH NIGHT AND MORNING  
ACROSS COASTAL AND COASTAL VALLEY AREAS THROUGH THE WEEKEND. THE  
VERY WARM TEMPERATURES ACROSS THE INTERIOR COMBINED WITH RESIDUAL  
INSTABILITY WILL RESULT IN MODERATELY DEEP MIXING HEIGHTS BETWEEN  
9,000 AND 12,000 FEET EACH AFTERNOON THROUGH SATURDAY. AS A RESULT,  
THERE IS STILL AN ELEVATED RISK FOR LARGE PLUME DOMINATED FIRES  
ACROSS THE INTERIOR.  
 
TYPICAL DIURNAL WINDS ARE ANTICIPATED FOR THE NEXT SEVERAL DAYS,  
EXCEPT FOR SUNDOWNER WINDS FOR SOUTHWESTERN SANTA BARBARA COUNTY  
DURING THE EVENINGS (NORTHWEST 15 TO 25 MPH WITH GUST TO 35 MPH).  
WITH A DRYING AIR MASS, THE HUMIDITY LEVELS WILL TREND DOWN THE NEXT  
FEW DAYS, WITH MINIMUMS BETWEEN 8 AND 20 PERCENT BECOMING COMMON  
TODAY THROUGH SUNDAY. THE WARM AND DRY CONDITIONS COMBINED WITH  
LOCALLY GUSTY ONSHORE WINDS EACH DAY WILL BRING ELEVATED FIRE  
WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE WEEKEND.  
 

 
 
ECC032-061045-  
VENTURA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VENTURA ECC DISPATCH  
934 AM PDT FRI SEP 5 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE  
WEEKEND DUE TO WARM AND DRY CONDITIONS COMBINED WITH LOCALLY GUSTY  
ONSHORE WINDS...  
 
THE MONSOONAL MOISTURE AND INSTABILITY CONTINUES TO DIMINISH ACROSS  
OUR MOUNTAINS AND DESERTS. WHILE THERE COULD STILL BE SOME AFTERNOON  
CLOUD BUILDUPS ACROSS THE MOUNTAINS, THERE IS NOT EXPECTED TO BE ANY  
THUNDERSTORM ACTIVITY TODAY.  
 
AS THE UPPER LEVEL RIDGE OF HIGH PRESSURE CONTINUED TO WEAKEN AND  
ONSHORE FLOW NEAR THE SURFACE GRADUALLY INCREASES, THERE WILL  
CONTINUE TO BE A SLIGHT DOWNWARD TREND IN TEMPERATURES THE NEXT FEW  
DAYS, BUT STILL VERY WARM ACROSS THE INTERIOR WITH TEMPERATURES WELL  
INTO THE 90S THROUGH THE WEEKEND. IN ADDITION, MARINE LAYER LOW  
CLOUDS AND FOG WILL CONTINUE TO REESTABLISH EACH NIGHT AND MORNING  
ACROSS COASTAL AND COASTAL VALLEY AREAS THROUGH THE WEEKEND. THE  
VERY WARM TEMPERATURES ACROSS THE INTERIOR COMBINED WITH RESIDUAL  
INSTABILITY WILL RESULT IN MODERATELY DEEP MIXING HEIGHTS BETWEEN  
9,000 AND 12,000 FEET EACH AFTERNOON THROUGH SATURDAY. AS A RESULT,  
THERE IS STILL AN ELEVATED RISK FOR LARGE PLUME DOMINATED FIRES  
ACROSS THE INTERIOR.  
 
TYPICAL DIURNAL WINDS ARE ANTICIPATED FOR THE NEXT SEVERAL DAYS,  
EXCEPT FOR SUNDOWNER WINDS FOR SOUTHWESTERN SANTA BARBARA COUNTY  
DURING THE EVENINGS (NORTHWEST 15 TO 25 MPH WITH GUST TO 35 MPH).  
WITH A DRYING AIR MASS, THE HUMIDITY LEVELS WILL TREND DOWN THE NEXT  
FEW DAYS, WITH MINIMUMS BETWEEN 8 AND 20 PERCENT BECOMING COMMON  
TODAY THROUGH SUNDAY. THE WARM AND DRY CONDITIONS COMBINED WITH  
LOCALLY GUSTY ONSHORE WINDS EACH DAY WILL BRING ELEVATED FIRE  
WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE WEEKEND.  
 

 
 
ECC030-061045-  
LOS ANGELES COUNTY EXCLUDING ANGELES NATIONAL FOREST-  
DISCUSSION FOR LOS ANGELES ECC DISPATCH  
934 AM PDT FRI SEP 5 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE  
WEEKEND DUE TO WARM AND DRY CONDITIONS COMBINED WITH LOCALLY GUSTY  
ONSHORE WINDS...  
 
THE MONSOONAL MOISTURE AND INSTABILITY CONTINUES TO DIMINISH ACROSS  
OUR MOUNTAINS AND DESERTS. WHILE THERE COULD STILL BE SOME AFTERNOON  
CLOUD BUILDUPS ACROSS THE MOUNTAINS, THERE IS NOT EXPECTED TO BE ANY  
THUNDERSTORM ACTIVITY TODAY.  
 
AS THE UPPER LEVEL RIDGE OF HIGH PRESSURE CONTINUED TO WEAKEN AND  
ONSHORE FLOW NEAR THE SURFACE GRADUALLY INCREASES, THERE WILL  
CONTINUE TO BE A SLIGHT DOWNWARD TREND IN TEMPERATURES THE NEXT FEW  
DAYS, BUT STILL VERY WARM ACROSS THE INTERIOR WITH TEMPERATURES WELL  
INTO THE 90S THROUGH THE WEEKEND. IN ADDITION, MARINE LAYER LOW  
CLOUDS AND FOG WILL CONTINUE TO REESTABLISH EACH NIGHT AND MORNING  
ACROSS COASTAL AND COASTAL VALLEY AREAS THROUGH THE WEEKEND. THE  
VERY WARM TEMPERATURES ACROSS THE INTERIOR COMBINED WITH RESIDUAL  
INSTABILITY WILL RESULT IN MODERATELY DEEP MIXING HEIGHTS BETWEEN  
9,000 AND 12,000 FEET EACH AFTERNOON THROUGH SATURDAY. AS A RESULT,  
THERE IS STILL AN ELEVATED RISK FOR LARGE PLUME DOMINATED FIRES  
ACROSS THE INTERIOR.  
 
TYPICAL DIURNAL WINDS ARE ANTICIPATED FOR THE NEXT SEVERAL DAYS,  
EXCEPT FOR SUNDOWNER WINDS FOR SOUTHWESTERN SANTA BARBARA COUNTY  
DURING THE EVENINGS (NORTHWEST 15 TO 25 MPH WITH GUST TO 35 MPH).  
WITH A DRYING AIR MASS, THE HUMIDITY LEVELS WILL TREND DOWN THE NEXT  
FEW DAYS, WITH MINIMUMS BETWEEN 8 AND 20 PERCENT BECOMING COMMON  
TODAY THROUGH SUNDAY. THE WARM AND DRY CONDITIONS COMBINED WITH  
LOCALLY GUSTY ONSHORE WINDS EACH DAY WILL BRING ELEVATED FIRE  
WEATHER CONDITIONS ACROSS THE INTERIOR THROUGH THE WEEKEND.  
 

 
 
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