418  
FNUS86 KLOX 202327  
FWLLOX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
327 PM PST WED NOV 20 2024  
 
ECC029-211730-  
LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VANDENBERG ECC DISPATCH  
327 PM PST WED NOV 20 2024  
   
..DISCUSSION FROM MONTEREY
 
 
A DEEP SUBTROPICAL WATER VAPOR AND MOISTURE TAP I.E. STRONG  
ATMOSPHERIC RIVER ATTACHED TO A NEARLY STATIONARY LOW PRESSURE  
SYSTEM CENTERED NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO BRING  
MODERATE TO HEAVY RAIN TO THE NORTH BAY TONIGHT INTO FRIDAY. AREAS  
OF STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE ACROSS THE  
DISTRICT, ESPECIALLY AT ELEVATION IN THE HILLTOPS AND MOUNTAINTOPS.  
THE ATMOSPHERIC RIVER IS ALSO NEARLY STATIONARY AND IT'S FORECAST  
TO MOVE EASTWARD ONLY UNTIL AFTER SECONDARY (RAPID) LOW PRESSURE  
DEVELOPMENT OCCURS OVER THE NORTHEAST PACIFIC THURSDAY INTO FRIDAY.  
THE SECONDARY DEVELOPMENT WILL PUSH FORWARD A COLD FRONT AND  
WETTING RAIN FARTHER SOUTH AND EAST ACROSS THE REST OF THE DISTRICT  
FRIDAY. A FEW SHOWERS LINGER SATURDAY, MORE WIDESPREAD WET WEATHER  
RETURNS SUNDAY. UNSETTLED WET WEATHER MAY CONTINUE INTO EARLY TO MID  
NEXT WEEK.  
 
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.  
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.  
 
   
..DISCUSSION FROM LOS ANGELES/OXNARD
 
 
...EXTREME DRYING OVER THE MOUNTAINS AND INTERIOR THROUGH FRIDAY WITH  
LOCALLY GUSTY WINDS RESULTING IN ELEVATED FIRE WEATHER CONDITIONS...  
 
...WIDESPREAD WETTING RAINS LIKELY WITH SIGNIFICANT COOLING AND  
MOISTENING FRIDAY NIGHT THROUGH AT LEAST WEDNESDAY...  
 
HIGH PRESSURE ALOFT WILL PEAK THROUGH FRIDAY. AN EXTREMELY DRY AIR  
MASS WILL DROP DOWN INTO SOUTHWEST CALIFORNIA FOCUSED OVER THE  
MOUNTAINS AND MANY VALLEYS. MINIMUM HUMIDITIES WILL LOWER TO 3 TO  
10 PERCENT FOR THURSDAY AND FRIDAY, WITH POOR OVERNIGHT RECOVERIES.  
MEANWHILE, SOUTHEAST TO SOUTHWEST WIND GUSTS OF 20 TO 35 MPH WILL  
BE COMMON OVER THE MOUNTAINS AND FOOTHILLS. DUE TO THE VERY DRY  
AIR, ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED WITH ISOLATED  
BRIEF CRITICAL CONDITIONS OVER THE WINDIER MOUNTAINS.  
 
A SIGNIFICANT PATTERN CHANGE WILL COMMENCE FRIDAY NIGHT AND LAST  
THROUGH NEXT WEEK. CONFIDENCE IS HIGH IN WIDESPREAD RAIN OVER THE  
REGION, BUT CONFIDENCE IS LOW IN TOTAL AMOUNTS AND TIMING. THE FIRST  
WAVE OF RAIN WILL OCCUR LATE FRIDAY NIGHT AND SATURDAY, WITH LIGHT  
AMOUNTS AND RATES. THE NEXT WAVE OF RAIN LOOKS TO START SOMETIME  
BETWEEN SUNDAY AND TUESDAY, WITH A WIDE RANGE OF OUTCOMES REMAINING.  
THE MOST LIKELY OUTCOME IS FOR BENEFICIAL RAIN.  
 

 
 
ECC028-211730-  
SANTA BARBARA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR SANTA BARBARA ECC DISPATCH  
327 PM PST WED NOV 20 2024  
 
...EXTREME DRYING OVER THE MOUNTAINS AND INTERIOR THROUGH FRIDAY WITH  
LOCALLY GUSTY WINDS RESULTING IN ELEVATED FIRE WEATHER CONDITIONS...  
 
...WIDESPREAD WETTING RAINS LIKELY WITH SIGNIFICANT COOLING AND  
MOISTENING FRIDAY NIGHT THROUGH AT LEAST WEDNESDAY...  
 
HIGH PRESSURE ALOFT WILL PEAK THROUGH FRIDAY. AN EXTREMELY DRY AIR  
MASS WILL DROP DOWN INTO SOUTHWEST CALIFORNIA FOCUSED OVER THE  
MOUNTAINS AND MANY VALLEYS. MINIMUM HUMIDITIES WILL LOWER TO 3 TO  
10 PERCENT FOR THURSDAY AND FRIDAY, WITH POOR OVERNIGHT RECOVERIES.  
MEANWHILE, SOUTHEAST TO SOUTHWEST WIND GUSTS OF 20 TO 35 MPH WILL  
BE COMMON OVER THE MOUNTAINS AND FOOTHILLS. DUE TO THE VERY DRY  
AIR, ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED WITH ISOLATED  
BRIEF CRITICAL CONDITIONS OVER THE WINDIER MOUNTAINS.  
 
A SIGNIFICANT PATTERN CHANGE WILL COMMENCE FRIDAY NIGHT AND LAST  
THROUGH NEXT WEEK. CONFIDENCE IS HIGH IN WIDESPREAD RAIN OVER THE  
REGION, BUT CONFIDENCE IS LOW IN TOTAL AMOUNTS AND TIMING. THE FIRST  
WAVE OF RAIN WILL OCCUR LATE FRIDAY NIGHT AND SATURDAY, WITH LIGHT  
AMOUNTS AND RATES. THE NEXT WAVE OF RAIN LOOKS TO START SOMETIME  
BETWEEN SUNDAY AND TUESDAY, WITH A WIDE RANGE OF OUTCOMES REMAINING.  
THE MOST LIKELY OUTCOME IS FOR BENEFICIAL RAIN.  
 

 
 
ECC031-211730-  
ANGELES NATIONAL FOREST-  
DISCUSSION FOR LANCASTER ECC DISPATCH  
327 PM PST WED NOV 20 2024  
 
...EXTREME DRYING OVER THE MOUNTAINS AND INTERIOR THROUGH FRIDAY WITH  
LOCALLY GUSTY WINDS RESULTING IN ELEVATED FIRE WEATHER CONDITIONS...  
 
...WIDESPREAD WETTING RAINS LIKELY WITH SIGNIFICANT COOLING AND  
MOISTENING FRIDAY NIGHT THROUGH AT LEAST WEDNESDAY...  
 
HIGH PRESSURE ALOFT WILL PEAK THROUGH FRIDAY. AN EXTREMELY DRY AIR  
MASS WILL DROP DOWN INTO SOUTHWEST CALIFORNIA FOCUSED OVER THE  
MOUNTAINS AND MANY VALLEYS. MINIMUM HUMIDITIES WILL LOWER TO 3 TO  
10 PERCENT FOR THURSDAY AND FRIDAY, WITH POOR OVERNIGHT RECOVERIES.  
MEANWHILE, SOUTHEAST TO SOUTHWEST WIND GUSTS OF 20 TO 35 MPH WILL  
BE COMMON OVER THE MOUNTAINS AND FOOTHILLS. DUE TO THE VERY DRY  
AIR, ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED WITH ISOLATED  
BRIEF CRITICAL CONDITIONS OVER THE WINDIER MOUNTAINS.  
 
A SIGNIFICANT PATTERN CHANGE WILL COMMENCE FRIDAY NIGHT AND LAST  
THROUGH NEXT WEEK. CONFIDENCE IS HIGH IN WIDESPREAD RAIN OVER THE  
REGION, BUT CONFIDENCE IS LOW IN TOTAL AMOUNTS AND TIMING. THE FIRST  
WAVE OF RAIN WILL OCCUR LATE FRIDAY NIGHT AND SATURDAY, WITH LIGHT  
AMOUNTS AND RATES. THE NEXT WAVE OF RAIN LOOKS TO START SOMETIME  
BETWEEN SUNDAY AND TUESDAY, WITH A WIDE RANGE OF OUTCOMES REMAINING.  
THE MOST LIKELY OUTCOME IS FOR BENEFICIAL RAIN.  
 

 
 
ECC024-211730-  
SAN LUIS OBISPO COUNTY-  
DISCUSSION FOR SAN LUIS OBISPO ECC DISPATCH  
327 PM PST WED NOV 20 2024  
 
...EXTREME DRYING OVER THE MOUNTAINS AND INTERIOR THROUGH FRIDAY WITH  
LOCALLY GUSTY WINDS RESULTING IN ELEVATED FIRE WEATHER CONDITIONS...  
 
...WIDESPREAD WETTING RAINS LIKELY WITH SIGNIFICANT COOLING AND  
MOISTENING FRIDAY NIGHT THROUGH AT LEAST WEDNESDAY...  
 
HIGH PRESSURE ALOFT WILL PEAK THROUGH FRIDAY. AN EXTREMELY DRY AIR  
MASS WILL DROP DOWN INTO SOUTHWEST CALIFORNIA FOCUSED OVER THE  
MOUNTAINS AND MANY VALLEYS. MINIMUM HUMIDITIES WILL LOWER TO 3 TO  
10 PERCENT FOR THURSDAY AND FRIDAY, WITH POOR OVERNIGHT RECOVERIES.  
MEANWHILE, SOUTHEAST TO SOUTHWEST WIND GUSTS OF 20 TO 35 MPH WILL  
BE COMMON OVER THE MOUNTAINS AND FOOTHILLS. DUE TO THE VERY DRY  
AIR, ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED WITH ISOLATED  
BRIEF CRITICAL CONDITIONS OVER THE WINDIER MOUNTAINS.  
 
A SIGNIFICANT PATTERN CHANGE WILL COMMENCE FRIDAY NIGHT AND LAST  
THROUGH NEXT WEEK. CONFIDENCE IS HIGH IN WIDESPREAD RAIN OVER THE  
REGION, BUT CONFIDENCE IS LOW IN TOTAL AMOUNTS AND TIMING. THE FIRST  
WAVE OF RAIN WILL OCCUR LATE FRIDAY NIGHT AND SATURDAY, WITH LIGHT  
AMOUNTS AND RATES. THE NEXT WAVE OF RAIN LOOKS TO START SOMETIME  
BETWEEN SUNDAY AND TUESDAY, WITH A WIDE RANGE OF OUTCOMES REMAINING.  
THE MOST LIKELY OUTCOME IS FOR BENEFICIAL RAIN.  
 

 
 
ECC032-211730-  
VENTURA COUNTY EXCLUDING LOS PADRES NATIONAL FOREST-  
DISCUSSION FOR VENTURA ECC DISPATCH  
327 PM PST WED NOV 20 2024  
 
...EXTREME DRYING OVER THE MOUNTAINS AND INTERIOR THROUGH FRIDAY WITH  
LOCALLY GUSTY WINDS RESULTING IN ELEVATED FIRE WEATHER CONDITIONS...  
 
...WIDESPREAD WETTING RAINS LIKELY WITH SIGNIFICANT COOLING AND  
MOISTENING FRIDAY NIGHT THROUGH AT LEAST WEDNESDAY...  
 
HIGH PRESSURE ALOFT WILL PEAK THROUGH FRIDAY. AN EXTREMELY DRY AIR  
MASS WILL DROP DOWN INTO SOUTHWEST CALIFORNIA FOCUSED OVER THE  
MOUNTAINS AND MANY VALLEYS. MINIMUM HUMIDITIES WILL LOWER TO 3 TO  
10 PERCENT FOR THURSDAY AND FRIDAY, WITH POOR OVERNIGHT RECOVERIES.  
MEANWHILE, SOUTHEAST TO SOUTHWEST WIND GUSTS OF 20 TO 35 MPH WILL  
BE COMMON OVER THE MOUNTAINS AND FOOTHILLS. DUE TO THE VERY DRY  
AIR, ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED WITH ISOLATED  
BRIEF CRITICAL CONDITIONS OVER THE WINDIER MOUNTAINS.  
 
A SIGNIFICANT PATTERN CHANGE WILL COMMENCE FRIDAY NIGHT AND LAST  
THROUGH NEXT WEEK. CONFIDENCE IS HIGH IN WIDESPREAD RAIN OVER THE  
REGION, BUT CONFIDENCE IS LOW IN TOTAL AMOUNTS AND TIMING. THE FIRST  
WAVE OF RAIN WILL OCCUR LATE FRIDAY NIGHT AND SATURDAY, WITH LIGHT  
AMOUNTS AND RATES. THE NEXT WAVE OF RAIN LOOKS TO START SOMETIME  
BETWEEN SUNDAY AND TUESDAY, WITH A WIDE RANGE OF OUTCOMES REMAINING.  
THE MOST LIKELY OUTCOME IS FOR BENEFICIAL RAIN.  
 

 
 
ECC030-211730-  
LOS ANGELES COUNTY EXCLUDING ANGELES NATIONAL FOREST-  
DISCUSSION FOR LOS ANGELES ECC DISPATCH  
327 PM PST WED NOV 20 2024  
 
...EXTREME DRYING OVER THE MOUNTAINS AND INTERIOR THROUGH FRIDAY WITH  
LOCALLY GUSTY WINDS RESULTING IN ELEVATED FIRE WEATHER CONDITIONS...  
 
...WIDESPREAD WETTING RAINS LIKELY WITH SIGNIFICANT COOLING AND  
MOISTENING FRIDAY NIGHT THROUGH AT LEAST WEDNESDAY...  
 
HIGH PRESSURE ALOFT WILL PEAK THROUGH FRIDAY. AN EXTREMELY DRY AIR  
MASS WILL DROP DOWN INTO SOUTHWEST CALIFORNIA FOCUSED OVER THE  
MOUNTAINS AND MANY VALLEYS. MINIMUM HUMIDITIES WILL LOWER TO 3 TO  
10 PERCENT FOR THURSDAY AND FRIDAY, WITH POOR OVERNIGHT RECOVERIES.  
MEANWHILE, SOUTHEAST TO SOUTHWEST WIND GUSTS OF 20 TO 35 MPH WILL  
BE COMMON OVER THE MOUNTAINS AND FOOTHILLS. DUE TO THE VERY DRY  
AIR, ELEVATED FIRE WEATHER CONDITIONS ARE EXPECTED WITH ISOLATED  
BRIEF CRITICAL CONDITIONS OVER THE WINDIER MOUNTAINS.  
 
A SIGNIFICANT PATTERN CHANGE WILL COMMENCE FRIDAY NIGHT AND LAST  
THROUGH NEXT WEEK. CONFIDENCE IS HIGH IN WIDESPREAD RAIN OVER THE  
REGION, BUT CONFIDENCE IS LOW IN TOTAL AMOUNTS AND TIMING. THE FIRST  
WAVE OF RAIN WILL OCCUR LATE FRIDAY NIGHT AND SATURDAY, WITH LIGHT  
AMOUNTS AND RATES. THE NEXT WAVE OF RAIN LOOKS TO START SOMETIME  
BETWEEN SUNDAY AND TUESDAY, WITH A WIDE RANGE OF OUTCOMES REMAINING.  
THE MOST LIKELY OUTCOME IS FOR BENEFICIAL RAIN.  
 

 
 
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