992  
FNUS86 KLOX 181636  
FWLLOX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
936 AM PDT TUE AUG 18 2026  
 
ECC029-191045-  
LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VANDENBERG ECC DISPATCH  
936 AM PDT TUE AUG 18 2026  
   
..DISCUSSION FROM MONTEREY  
 
DRIER AND SLIGHTLY WARMER INTERIOR CONDITIONS CONTINUE THROUGH LATE  
WEEK AS HIGH PRESSURE EXPANDS INTO CALIFORNIA. THE MARINE LAYER  
WILL GRADUALLY COMPRESS FROM 1500 FEET TO 1000 FEET AS HIGH PRESSURE  
STRENGTHENS WITH INLAND STRATUS INTRUSIONS BECOMING LESS WIDESPREAD  
BY LATE WEEK. THIS WILL RESULT IN POOR TO MODERATE OVERNIGHT  
RECOVERIES (20-40%) AND POOR DAYTIME HUMIDITY RETENTION (10-35%)  
ABOVE THE MARINE LAYER AND ACROSS THE INTERIOR CENTRAL COAST.  
LOCATIONS WITHIN THE MARINE LAYER WILL CONTINUE TO SEE EXCELLENT  
OVERNIGHT RECOVERIES AND FAIR TO EXCELLENT DAYTIME HUMIDITY  
RETENTION. PATCHY FOG AND DRIZZLE ARE POSSIBLE DIRECTLY ALONG THE  
COASTLINE EACH MORNING THROUGH MID WEEK. DIURNALLY BREEZY ONSHORE  
WINDS CONTINUE ACROSS FAVORED MOUNTAIN GAPS/PASSES, ALONG THE  
COAST, AND ACROSS THE HIGHEST RIDGELINES.  
 
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.  
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.  
 
   
..DISCUSSION FROM LOS ANGELES/OXNARD  
 
...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST  
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS  
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA  
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM THROUGH  
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY  
CONDITIONS...  
 
HIGH PRESSURE ALOFT WILL PERSIST THROUGH MUCH OF THE WEEK, BRINGING  
WARMER AND DRIER CONDITIONS AWAY FROM THE IMMEDIATE COAST.  
TEMPERATURES WILL LIKELY CLIMB TO BETWEEN 100 AND 106 DEGREES  
ACROSS HOTTEST PORTIONS OF THE VALLEYS, LOWER MOUNTAINS, AND  
DESERTS FROM THROUGH AT LEAST THURSDAY. THIS COMBINED WITH LOWER  
HUMIDITIES, AND THE INCREASED RISK FOR LARGE PLUME DOMINATED FIRE  
BEHAVIOR WILL BRING WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS FOR  
THE VALLEYS, MOUNTAINS, AND DESERTS THROUGH FRIDAY. MIXING HEIGHTS  
ACROSS THE INTERIOR ARE EXPECTED TO RISE TO BETWEEN 10,000 AND  
15,000 FEET BY MIDWEEK. THERE IS SOME UNCERTAINTY IN THE FORECAST  
FOR THIS WEEKEND, BUT THERE IS THE POTENTIAL FOR THE HEAT TO PERSIST  
ACROSS THE INTERIOR. IN ADDITION, THERE IS A 5-10 PERCENT CHANCE OF  
MONSOONAL SHOWERS AND THUNDERSTORMS ACROSS LA COUNTY SOMETIME  
BETWEEN FRIDAY AND SUNDAY.  
 
 
 
ECC028-191045-  
SANTA BARBARA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR SANTA BARBARA ECC DISPATCH  
936 AM PDT TUE AUG 18 2026  
 
...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST  
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS  
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA  
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM THROUGH  
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY  
CONDITIONS...  
 
HIGH PRESSURE ALOFT WILL PERSIST THROUGH MUCH OF THE WEEK, BRINGING  
WARMER AND DRIER CONDITIONS AWAY FROM THE IMMEDIATE COAST.  
TEMPERATURES WILL LIKELY CLIMB TO BETWEEN 100 AND 106 DEGREES  
ACROSS HOTTEST PORTIONS OF THE VALLEYS, LOWER MOUNTAINS, AND  
DESERTS FROM THROUGH AT LEAST THURSDAY. THIS COMBINED WITH LOWER  
HUMIDITIES, AND THE INCREASED RISK FOR LARGE PLUME DOMINATED FIRE  
BEHAVIOR WILL BRING WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS FOR  
THE VALLEYS, MOUNTAINS, AND DESERTS THROUGH FRIDAY. MIXING HEIGHTS  
ACROSS THE INTERIOR ARE EXPECTED TO RISE TO BETWEEN 10,000 AND  
15,000 FEET BY MIDWEEK. THERE IS SOME UNCERTAINTY IN THE FORECAST  
FOR THIS WEEKEND, BUT THERE IS THE POTENTIAL FOR THE HEAT TO PERSIST  
ACROSS THE INTERIOR. IN ADDITION, THERE IS A 5-10 PERCENT CHANCE OF  
MONSOONAL SHOWERS AND THUNDERSTORMS ACROSS LA COUNTY SOMETIME  
BETWEEN FRIDAY AND SUNDAY.  
 
 
 
ECC031-191045-  
ANGELES NATIONAL FOREST-  
DISCUSSION FOR LANCASTER ECC DISPATCH  
936 AM PDT TUE AUG 18 2026  
 
...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST  
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS  
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA  
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM THROUGH  
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY  
CONDITIONS...  
 
HIGH PRESSURE ALOFT WILL PERSIST THROUGH MUCH OF THE WEEK, BRINGING  
WARMER AND DRIER CONDITIONS AWAY FROM THE IMMEDIATE COAST.  
TEMPERATURES WILL LIKELY CLIMB TO BETWEEN 100 AND 106 DEGREES  
ACROSS HOTTEST PORTIONS OF THE VALLEYS, LOWER MOUNTAINS, AND  
DESERTS FROM THROUGH AT LEAST THURSDAY. THIS COMBINED WITH LOWER  
HUMIDITIES, AND THE INCREASED RISK FOR LARGE PLUME DOMINATED FIRE  
BEHAVIOR WILL BRING WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS FOR  
THE VALLEYS, MOUNTAINS, AND DESERTS THROUGH FRIDAY. MIXING HEIGHTS  
ACROSS THE INTERIOR ARE EXPECTED TO RISE TO BETWEEN 10,000 AND  
15,000 FEET BY MIDWEEK. THERE IS SOME UNCERTAINTY IN THE FORECAST  
FOR THIS WEEKEND, BUT THERE IS THE POTENTIAL FOR THE HEAT TO PERSIST  
ACROSS THE INTERIOR. IN ADDITION, THERE IS A 5-10 PERCENT CHANCE OF  
MONSOONAL SHOWERS AND THUNDERSTORMS ACROSS LA COUNTY SOMETIME  
BETWEEN FRIDAY AND SUNDAY.  
 
 
 
ECC024-191045-  
SAN LUIS OBISPO COUNTY-  
DISCUSSION FOR SAN LUIS OBISPO ECC DISPATCH  
936 AM PDT TUE AUG 18 2026  
 
...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST  
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS  
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA  
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM THROUGH  
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY  
CONDITIONS...  
 
HIGH PRESSURE ALOFT WILL PERSIST THROUGH MUCH OF THE WEEK, BRINGING  
WARMER AND DRIER CONDITIONS AWAY FROM THE IMMEDIATE COAST.  
TEMPERATURES WILL LIKELY CLIMB TO BETWEEN 100 AND 106 DEGREES  
ACROSS HOTTEST PORTIONS OF THE VALLEYS, LOWER MOUNTAINS, AND  
DESERTS FROM THROUGH AT LEAST THURSDAY. THIS COMBINED WITH LOWER  
HUMIDITIES, AND THE INCREASED RISK FOR LARGE PLUME DOMINATED FIRE  
BEHAVIOR WILL BRING WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS FOR  
THE VALLEYS, MOUNTAINS, AND DESERTS THROUGH FRIDAY. MIXING HEIGHTS  
ACROSS THE INTERIOR ARE EXPECTED TO RISE TO BETWEEN 10,000 AND  
15,000 FEET BY MIDWEEK. THERE IS SOME UNCERTAINTY IN THE FORECAST  
FOR THIS WEEKEND, BUT THERE IS THE POTENTIAL FOR THE HEAT TO PERSIST  
ACROSS THE INTERIOR. IN ADDITION, THERE IS A 5-10 PERCENT CHANCE OF  
MONSOONAL SHOWERS AND THUNDERSTORMS ACROSS LA COUNTY SOMETIME  
BETWEEN FRIDAY AND SUNDAY.  
 
 
 
ECC032-191045-  
VENTURA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VENTURA ECC DISPATCH  
936 AM PDT TUE AUG 18 2026  
 
...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST  
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS  
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA  
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM THROUGH  
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY  
CONDITIONS...  
 
HIGH PRESSURE ALOFT WILL PERSIST THROUGH MUCH OF THE WEEK, BRINGING  
WARMER AND DRIER CONDITIONS AWAY FROM THE IMMEDIATE COAST.  
TEMPERATURES WILL LIKELY CLIMB TO BETWEEN 100 AND 106 DEGREES  
ACROSS HOTTEST PORTIONS OF THE VALLEYS, LOWER MOUNTAINS, AND  
DESERTS FROM THROUGH AT LEAST THURSDAY. THIS COMBINED WITH LOWER  
HUMIDITIES, AND THE INCREASED RISK FOR LARGE PLUME DOMINATED FIRE  
BEHAVIOR WILL BRING WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS FOR  
THE VALLEYS, MOUNTAINS, AND DESERTS THROUGH FRIDAY. MIXING HEIGHTS  
ACROSS THE INTERIOR ARE EXPECTED TO RISE TO BETWEEN 10,000 AND  
15,000 FEET BY MIDWEEK. THERE IS SOME UNCERTAINTY IN THE FORECAST  
FOR THIS WEEKEND, BUT THERE IS THE POTENTIAL FOR THE HEAT TO PERSIST  
ACROSS THE INTERIOR. IN ADDITION, THERE IS A 5-10 PERCENT CHANCE OF  
MONSOONAL SHOWERS AND THUNDERSTORMS ACROSS LA COUNTY SOMETIME  
BETWEEN FRIDAY AND SUNDAY.  
 
 
 
ECC030-191045-  
LOS ANGELES COUNTY EXCLUDING ANGELES NATIONAL FOREST-  
DISCUSSION FOR LOS ANGELES ECC DISPATCH  
936 AM PDT TUE AUG 18 2026  
 
...WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS AWAY FROM THE COAST  
THROUGH FRIDAY DUE TO AN EXTENDED PERIOD OF HOT AND DRY CONDITIONS  
WITH INCREASED RISK FOR LARGE PLUME DOMINATED FIRE BEHAVIOR...  
 
...ELEVATED FIRE WEATHER CONDITIONS ACROSS SOUTHWEST SANTA BARBARA  
COUNTY DURING LATE AFTERNOON AND EVENING HOURS FROM THROUGH  
WEDNESDAY DUE TO GUSTY SUNDOWNER WINDS WITH WARM AND DRY  
CONDITIONS...  
 
HIGH PRESSURE ALOFT WILL PERSIST THROUGH MUCH OF THE WEEK, BRINGING  
WARMER AND DRIER CONDITIONS AWAY FROM THE IMMEDIATE COAST.  
TEMPERATURES WILL LIKELY CLIMB TO BETWEEN 100 AND 106 DEGREES  
ACROSS HOTTEST PORTIONS OF THE VALLEYS, LOWER MOUNTAINS, AND  
DESERTS FROM THROUGH AT LEAST THURSDAY. THIS COMBINED WITH LOWER  
HUMIDITIES, AND THE INCREASED RISK FOR LARGE PLUME DOMINATED FIRE  
BEHAVIOR WILL BRING WIDESPREAD ELEVATED FIRE WEATHER CONDITIONS FOR  
THE VALLEYS, MOUNTAINS, AND DESERTS THROUGH FRIDAY. MIXING HEIGHTS  
ACROSS THE INTERIOR ARE EXPECTED TO RISE TO BETWEEN 10,000 AND  
15,000 FEET BY MIDWEEK. THERE IS SOME UNCERTAINTY IN THE FORECAST  
FOR THIS WEEKEND, BUT THERE IS THE POTENTIAL FOR THE HEAT TO PERSIST  
ACROSS THE INTERIOR. IN ADDITION, THERE IS A 5-10 PERCENT CHANCE OF  
MONSOONAL SHOWERS AND THUNDERSTORMS ACROSS LA COUNTY SOMETIME  
BETWEEN FRIDAY AND SUNDAY.  
 
 
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