Strong north-south pressure gradients generated strong and gusty north winds across the mountains of Ventura and Los Angeles counties as well as the Santa Clarita Valley. Wind gusts between 61 and 71 MPH were reported.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LOX wrote it up.
Strong north-south pressure gradients generated strong and gusty north winds across the mountains of Ventura and Los Angeles counties as well as the Santa Clarita Valley. Wind gusts between 61 and 71 MPH were reported.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Los Angeles, CA wrote its last area forecast discussion before the first event at Nov 14, 9:45 PM PST, 5 hours 10 minutes earlier.
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 945 PM PST SAT NOV 14 2015 ...UPDATED MARINE AND AVIATION DISCUSSIONS... .SYNOPSIS... A FRONTAL SYSTEM WILL BRING SOME RAIN TO THE REGION SUNDAY... ESPECIALLY ACROSS NORTHERN SECTIONS. BEHIND THE FRONT...IT WILL TURN MUCH COOLER...AND THERE WILL BE SOME RAIN SHOWERS AND MOUNTAIN SNOW SHOWERS ON NORTHERN MOUNTAIN SLOPES SUNDAY NIGHT INTO MONDAY. STRONG AND GUSTY WINDS WILL DEVELOP ACROSS MUCH OF THE REGION SUNDAY AFTERNOON AND PERSIST IN MANY AREAS THROUGH TUESDAY. WARMER AND DRY WEATHER IS EXPECTED WEDNESDAY THROUGH FRIDAY. && .SHORT TERM (TODAY-TUESDAY)...LOW CLOUDS WERE BEGINNING TO DEVELOP ACROSS AND JUST OFF THE CENTRAL COAST...WITH ADDITIONAL LOW CLOUDINESS DEVELOPING TO THE WEST OF L.A. AND VTU COUNTIES. EXPECT LOW CLOUDS TO FILL IN OVERNIGHT...WITH CLOUDS PUSHING INTO MOST COASTAL AND VALLEY AREAS BY MORNING. A FAIRLY VIGOROUS FRONTAL SYSTEM MOVING THROUGH THE EASTERN PACIFIC WAS APPROACHING THE COAST OF NORTHERN AND CENTRAL CALIFORNIA. THIS FRONT WILL BRING RAIN TO AREAS NORTH OF POINT CONCEPTION SUNDAY MORNING...TURNING TO SHOWERS IN THE AFTERNOON. WHILE THE FRONT WILL WEAKEN AS IT MOVES SOUTH OF PT CONCEPTION...IT WILL STILL BRING A GOOD CHANCE OF SHOWERS TO L.A. AND VTU COUNTIES SUNDAY AFTERNOON. SHOWERS WITH THE DEPARTING FRONT MAY LINGER INTO SUNDAY EVENING ACROSS ERN L.A. COUNTY. DEVELOPING STRONG NW TO N FLOW WILL LIKELY MAINTAIN SHOWER ACTIVITY ACROSS THE NRN SLOPES OF THE MTNS OF VTU AND NWRN L.A. COUNTY SUNDAY NIGHT INTO MONDAY MORNING. RAINFALL AMOUNTS WITH THE COLD FRONT ON SUN ARE EXPECTED TO BE HIGHEST ACROSS SLO/SBA COUNTIES...WITH ONE QUARTER TO ONE HALF INCH...ALTHOUGH LOCAL AMOUNTS UP TO THREE QUARTERS OF AN INCH ARE POSSIBLE IN NW SLO COUNTY. FOR VTU/L.A. COUNTIES...GENERALLY A TENTH OF AN INCH OR LESS IS EXPECTED...EXCEPT FOR THE N MTN SLOPES OF VTU/L.A. COUNTIES WHERE UP TO ONE HALF INCH IS POSSIBLE SUN AFTERNOON THRU MON MORNING. SNOW LEVELS WILL DROP SIGNIFICANTLY AND QUICKLY SUNDAY NIGHT AS COLD AIR POURS INTO THE REGION BEHIND THE FRONT...WITH SNOW LEVELS DOWN TO BETWEEN 3000 AND 3500 FEET BY MONDAY MORNING. SEVERAL INCHES OF SNOW MAY FALL IN THE MOUNTAINS ABOVE 4000 FEET...AND A COUPLE OF INCHES OF ACCUMULATING SNOW MAY OCCUR ON INTERSTATE 5 THROUGH THE GRAPEVINE...SEVERELY AFFECTING TRAVEL LATE SUN NIGHT INTO MONDAY MORNING. WINTER WEATHER ADVISORIES MAY BE NEEDED FOR THE NRN SLOPES SUNDAY NIGHT INTO MONDAY. ANOTHER BIG STORY WILL LIKELY BE WIDESPREAD STRONG AND GUSTY WINDS DEVELOPING ACROSS THE REGION SUNDAY AFTERNOON OR EVENING... CONTINUING THROUGH MONDAY...AND IN SOME AREAS THROUGH TUE MORNING. WITH GOOD COLD ADVECTION...STRONG SUBSIDENCE...AND POWERFUL WINDS ALOFT...EXPECT WIDESPREAD ADVISORY LEVEL WINDS TO DEVELOP ACROSS THE REGION SUN AFTERNOON OR EVENING. THERE IS THE POTENTIAL FOR DAMAGING WINDS IN THE MTNS OF L.A...VTU AND SBA COUNTIES...THE ANTELOPE VALLEY...THE SANTA CLARITA VALLEY...ACROSS THE SANTA MONICA MTNS...AND ACROSS THE INTERIOR VLYS OF VTU COUNTY NEAR THE OJAI/LAKE CASITAS AREA. HAVE EXPANDED THE HIGH WIND WATCH TO INCLUDE THESE AREAS IN THE HIGH WIND WATCH FOR SUN EVENING THROUGH MONDAY. MAY EVEN HAVE TO CONSIDER EXPANDING WATCHES INTO THE SAN FERNANDO VALLEY AND THE S COAST OF SBA COUNTY BELOW PASSES AND CANYONS. THIS WILL BE A WIDESPREAD STRONG WIND EVENT...WITH AT LEAST WIND ADVISORIES NEEDED ACROSS JUST ABOUT ALL OF THE FORECAST AREA FROM LATE SUN AFTERNOON THROUGH MONDAY MORNING. THERE WILL LIKELY BE NUMEROUS DOWNED TREES AND LARGE BRANCHES...WITH THE EFFECTS OF THE WINDS EXACERBATED BY THE WEAKENED STATE OF THE TREES BY THE EXTENDED DROUGHT.RAINFALL AMOUNTS WITH THE COLD FRONT ON SUN ARE EXPECTED TO BE HIGHEST ACROSS SLO/SBA COUNTIES...WITH ONE QUARTER TO ONE HALF INCH...ALTHO LOCAL AMOUNTS UP TO THREE QUARTERS OF AN INCH ARE POSSIBLE IN NW SLO COUNTY. FOR VTU/L.A. COUNTIES...GENERALLY A TENTH OF AN INCH OR LESS IS EXPECTED...EXCEPT FOR THE N MTN SLOPES OF VTU/L.A. COUNTIES WHERE UP TO ONE HALF INCH IS POSSIBLE SUN AFTERNOON THRU MON MORNING. THERE MAY BE A LULL IN THE WINDS IN SOME AREAS LATE MONDAY MORNING INTO MONDAY AFTERNOON...BUT THERE WILL LIKELY BE ANOTHER SURGE IN THE WINDS MONDAY NIGHT...ESPECIALLY ACROSS L.A. AND VTU COUNTIES AND THE SERN PORTION OF SBA COUNTY NEAR MONTECITO AS THE WINDS TURN TO A MORE N TO NELY DIRECTION. WINDS WILL FINALLY BEGIN TO DIMINISH IN MOST AREAS ON TUE. AFTER A CHILLY NIGHT MON NIGHT (ESPECIALLY ACROSS INTERIOR AND WIND SHELTERED LOCATIONS) MAX TEMPS WILL LIKELY BE UP SEVERAL DEGREES IN MOST AREAS TUE. ***FROM PREVIOUS DISCUSSION*** .LONG TERM (WED-SAT)...UPPER LEVEL RIDGING WILL PERSIST OVER SWRN CA FOR MUCH OF NEXT WEEK ALTHO BY FRI AND INTO SAT THE GFS IS BRINGING IN AN UPPER TROF FROM THE E PAC...WHILE THE EC HAS UPPER RIDGING THRU FRI WITH AN UPPER TROF APPROACHING FROM THE NW ON SAT. DRY WEATHER WILL PREVAIL WED THRU SAT EITHER WAY. OFFSHORE FLOW WILL ALSO PERSIST DURING THE PERIOD...WITH THE POTENTIAL FOR A MODERATE SANTA ANA EVENT BY THE WEEKEND IF THE GFS VERIFIES. CLEAR SKIES CAN BE EXPECTED WED THRU SAT...WITH TEMPS NEAR NORMAL TO A FEW DEGREES ABOVE NORMAL WED...SEVERAL DEG ABOVE NORMAL THU AND FRI...THEN BACK CLOSER TO NORMAL FOR SAT. && .AVIATION...15/06Z. AT 05Z AT KLAX... THE INVERSION WAS SURFACE BASED. THE TOP OF THE INVERSION WAS NEAR 1300 FEET WITH A TEMPERATURE OF 17 DEGREES CELSIUS. OVERALL... LOW TO MODERATE CONFIDENCE IN THE 06Z TAFS. IFR/MVFR CIGS WILL DEVELOP OVERNIGHT AS SHOWERS MOVE INTO THE NORTHERN PORTION OF THE FORECAST AREA AFTER 12Z AND INTO THE SOUTHERN PORTIONS BY 20Z. PRECIPITATION WILL BE HEAVIEST FROM POINT CONCEPTION NORTHWARD IN THE MORNING THEN MORE RANDOM IN THE SOUTH IN THE AFTERNOON. MOST AREAS SHOULD REMAIN IN MVFR CONDITIONS BUT LOCALLY COULD LOWER TO IFR CONDITIONS IN SHOWERS. STRONG WINDS WILLCOME WITH THE FRONT AND INCREASE BEHIND IT ESPECIALLY ACROSS THE MOUNTAIN RIDGES WHERE UDDF IS PROBABLE AFTER 20Z SUNDAY INTO MONDAY. KLAX AND KBUR... LOW TO MODERATE CONFIDENCE IN THE 06Z TAFS. IFR/MVFR CIGS WILL DEVELOP OVERNIGHT AS SHOWERS MOVE INTO AREA BY 20Z. PRECIPITATION WILL BE MOSTLY LIGHT WITH SOME PASSING HEAVIER SHOWERS. CONDITIONS SHOULD MVFR BUT LOCALLY COULD LOWER TO IFR CONDITIONS IN SHOWERS. STRONG WINDS WILL COME WITH THE FRONT AND INCREASE BEHIND IT ESPECIALLY. && .MARINE...15/900 PM. SMALL CRAFT ADVISORIES FOR HAZARDOUS SEAS ARE IN EFFECT FOR THE OUTER WATERS AND CENTRAL COAST NEARSHORE THROUGH SUNDAY MORNING WHEN GALE WARNINGS COME INTO EFFECT FOR ALL COASTAL WATERS. THE NORTHWEST GALE WINDS WILL CONTINUE THROUGH LATE MONDAY NIGHT... THEN DIMINISH TO SMALL CRAFT ADVISORY LEVELS IN THE OUTER WATERS THROUGH THE END OF THE WEEK. WINDS IN THE INNER WATERS WILL DIMINISH TO BELOW ADVISORY LEVELS. && .LOX WATCHES/WARNINGS/ADVISORIES... HIGH WIND WATCH (SEE LAXNPWLOX). GALE WARNING (SEE LAXMWWLOX). SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS (SEE LAXMWWLOX). HIGH SURF ADVISORY (SEE LAXCFWLOX). SPECIAL WEATHER STATEMENT (SEE LAXSPSLOX). && PUBLIC...SIRARD/DB AVIATION...KJ MARINE...KJ SYNOPSIS...DB WWW.WEATHER.GOV/LOSANGELES
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 327 PM PST SAT NOV 14 2015 CAZ034>041-044>046-051>054-059-087-088-547-548-151400- SAN LUIS OBISPO COUNTY CENTRAL COAST- SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY- SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY- SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST- LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES- VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS- SANTA MONICA MOUNTAINS RECREATIONAL AREA- SAN LUIS OBISPO COUNTY MOUNTAINS- SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS- LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE- ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY- LOS ANGELES COUNTY SAN FERNANDO VALLEY- LOS ANGELES COUNTY SAN GABRIEL VALLEY- 327 PM PST SAT NOV 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA. .DAY ONE... THROUGH TONIGHT A LONG-PERIOD NORTHWEST SWELL WILL BRING HIGH SURF AND DANGEROUS RIP CURRENTS TO THE CENTRAL COAST AND POSE THREATS TO SWIMMERS AND SURFERS. * HIGH SURF ADVISORY.........SEE WHUS46 KLOX - CFWLOX FOR DETAILS * * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY A COLD STORM SYSTEM WILL BRING THE RAIN AND MOUNTAINS SNOW TO THE AREA ON SUNDAY AND MONDAY. THERE IS ALSO THE POTENTIAL FOR STRONG AND DAMAGING WINDS FOR THE MOUNTAINS OF LOS ANGELES...VENTURA AND SANTA BARBARA COUNTIES FROM SUNDAY EVENING INTO TUE MORNING. HAZARDOUS DRIVING CONDITIONS MAY DEVELOP DUE TO WIND AND/OR MOUNTAIN SNOW ACROSS THE AREA SUNDAY NIGHT AND MONDAY. HAZARDOUS BOATING CONDITIONS WILL LIKELY OCCUR ACROSS THE ENTIRE COASTAL WATERS AND BOATERS ARE URGED TO SEEK SAFE HARBOR. THE NORTHWEST SWELL WILL CONTINUE TO BRING HIGH SURF AND DANGEROUS RIP CURRENTS TO THE CENTRAL COAST AND POSE THREATS TO SWIMMERS AND SURFERS. * HIGH WIND WATCH............SEE WWUS76 KLOX - NPWLOX FOR DETAILS * * GALE WARNING...............SEE WHUS76 KLOX - MWWLOX FOR DETAILS * * HIGH SURF ADVISORY.........SEE WHUS46 KLOX - CFWLOX FOR DETAILS * * SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. SIRARD
The national radar mosaic for the moment the first event began.
3 high wind. Local standard time, as filed.
Strong northerly wind developed in the mountains of Los Angeles county. The RAWS sensor at Warm Springs reported a northerly wind gust of 73 MPH while gusts of 61 MPH were reported at Camp Nine and gusts of 66 MPH were reported at Oat Mountain.
Strong northerly wind developed across the Santa Clarita Valley. The RAWS sensor at Saugus reported northerly wind gusts of 71 MPH while the sensor at Del Valle reported gusts to 68 MPH.
The sensor at Rose Valley measured a northerly wind gust of 64 MPH.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2015Every state in 2015This day in weather historyWarnings in California, November 2015
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 605678, 605679, 605677.