California, 2014

High Wind in California, November 16, 2014

November 16, 2014 · NWS LOX · 3 events in 3 counties and zones

Strong surface high pressure across the Great Basin generated strong and gusty Santa Ana winds across Ventura and Los Angeles counties. The strongest winds (gusts up to 74 MPH) occurred in the mountains.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

What happened

The episode as NWS LOX wrote it up.

Strong surface high pressure across the Great Basin generated strong and gusty Santa Ana winds across Ventura and Los Angeles counties. The strongest winds (gusts up to 74 MPH) occurred in the mountains.

What forecasters said that day

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 16, 3:40 AM PST, 1 hour 16 minutes earlier.

Area forecast discussion, Nov 16, 3:40 AM PST, 1 hour 16 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
340 AM PST SUN NOV 16 2014

.SYNOPSIS...
WIDESPREAD STRONG SANTA ANA WINDS ARE EXPECTED FOR MUCH OF LOS
ANGELES AND VENTURA COUNTIES TODAY AND MONDAY AS HIGH PRESSURE
BUILDS OVER THE GREAT BASIN. DAYTIME TEMPERATURES WILL RISE TO ABOVE
NORMAL LEVELS MONDAY AND TUESDAY. TWO STORM SYSTEMS ARE THEN
EXPECTED WEDNESDAY AND FRIDAY WITH A CHANCE OF LIGHT RAIN AND COOLER
TEMPERATURES.

&&

.SHORT TERM (TODAY-TUE)...
THE STAGE IS SET FOR THE STRONGEST SANTA ANA OF THE SEASON. A TROF
HAS JUST ZOOMED THROUGH NEVADA AND A LARGE POOL OF COLD AIR IS
SPILLING INTO CA IN ITS WAKE. SIMULTANEOUSLY STRONG SFC HIGH
PRESSURE IS DEVELOPING OVER NE NV. THERE IS GOOD UPPER LEVEL SUPPORT
FOR NE WINDS ALL THE WAY TO 800 MB. WITH ALL THREE INGREDIENTS IN
PLACE LOOK FOR WARNING LEVEL NORTHEAST WINDS TO DEVELOP IN THE
MOUNTAINS. STRONG ADVISORY LEVEL WINDS (GUSTS 40 TO 50 MPH) WILL
DEVELOP ACROSS MOST OF THE REST OF THE COASTS AND VLYS OF LA AND VTA
COUNTY (THE SAN GABRIEL VLY AND THE SOUTHERN PORTION OF THE LA COAST
WILL BE SHIELDED). ALL OF THE COLD AIR POURING IN WILL MAKE FOR TWO
VERY DIFFERENT TEMPERATURE REGIMES TODAY WITH THE DESERTS...
MOUNTAINS AND INTERIOR VLYS COOLING AND THE COASTS AND VLYS WARMING
UP. SINCE THE WARMING IS CREATED BY COMPRESSIONAL (ADIABATIC IF YOU
LIKE BIG WORDS) HEATING THE COASTS WILL BE THE WARMEST AREA TODAY.
THE AIR WILL BECOME VERY DRY AND THIS ALONG WITH THE WINDS WILL
CREATE RED FLAG CONDITIONS ACROSS MUCH OF THE AREA.

LOW TEMPS WILL BE TRICKY TONIGHT. THE VERY DRY AIR AND CLEAR SKIES
WILL ALLOW FOR VIGOROUS OVERNIGHT COOLING BUT ONLY IN AREAS WHERE
THE WINDS ARE NOT MIXING UP THE AIR. THERE COULD BE AS MUCH AS A 20
DEGREE CHANGE IN TEMPERATURE WITHIN A MILE. THERE WILL BE LITTLE
WIND IN THE ANTELOPE VLY AND LOWS WILL LIKELY BE IN THE MID 20S A
HARD FREEZE WATCH IS IN EFFECT AND PEOPLE IN THE AV SHOULD PREPARE
FOR A VERY COLD NIGHT.

THE COLD AIR ADVECTION WILL BE GONE MONDAY SO ALL AREAS WILL WARM.
THERE WILL BE SOME MAX TEMPS IN THE LOW 80S IN THE COASTS AND THE
VLYS WILL MOSTLY BE IN THE MID TO UPPER 70S. THERE WILL STILL BE
ENOUGH OFFSHORE SFC FLO AND UPPER SUPPORT TO MAKE FOR ANOTHER ROUND
OF SANTA ANAS. THE WARNINGS FOR THE MOUNTAINS LOOKS GOOD AND ANOTHER
ROUND OF ADVISORIES WILL LIKELY BE NEEDED FOR THE VLYS AND SOME
COASTAL LOCATIONS.

ANOTHER COOL NIGHT IN THE WIND SHELTERED AREAS MONDAY NIGHT.

THE RIDGE AXIS MOVES DIRECTLY OVER CA ON TUESDAY AND HGTS RISE TO
580 DM. OFFSHORE FLOW CONTINUES. UPPER SUPPORT DISAPPEARS SO ALL THE
WINDS WILL BE SFC GRADIENT DRIVEN. THERE MAY BE SOME ADVISORY LEVEL
GUSTS BUT FOR THE MOST PART THE WINDS WILL STAY JUST UNDER ADVISORY
LEVELS. MAX TEMPS WILL CLIMB EVERYWHERE AND ALMOST ALL THE COASTS
AND VLYS WILL SEE MAX TEMPS IN THE LOWER 80S.

.LONG TERM (WED-SAT)...
CONFIDENCE IN FORECAST FALLS OFF A CLIFF ON WEDNESDAY. A SERIES OF
TROFS AND RIDGES EMBEDDED IN FAST MOVING NW TO SE FLOW QUICKLY MOVE
OVER THE STATE. NONE OF THE MEDIUM RANGE FORECAST MDLS AGREE ON THE
TIMING OF ANY OF THESE FEATURES. BEST GUESS IS TROF ON WED...RIDGE
ON THU...TROF ON FRI AND RIDGE ON SAT. WEDNESDAYS TROF LOOKS PRETTY
WEEK AND RAIN CHANCES ARE LIMITED TO JUST SLO AND SBA COUNTIES. ONLY
ONE MDL HAS RAIN ON THU SO IT LOOKS LIKE IT SHOULD BE A LITTLE
CLEARER AND WARMER. FRIDAYS TROF LOOKS A LITTLE STRONGER THAN
WEDNESDAYS AND THIS MIGHT BE THE ONE TO KEEP AN EYE ON. TWO MDLS
BRING SOME RAIN TO THE ENTIRE AREA (BUT THEY DO NOT AGREE ON TIMING)
SO HAVE SOME CHC TO SLGT CHC POPS IN THE FCST. SATURDAY LOOKS DRY
RIGHT NOW.

AGAIN THE XTND FCST IS SUSPECT AND SHOULD BE TAKEN WITH A GRAIN OF
SALT HOPEFULLY THERE WILL BE A LITTLE BETTER CLARITY MONDAY MORNING.

&&

.AVIATION...

16/1200Z.

AT 12Z...THERE IS NO MARINE LAYER AT LAX.

VFR CONDITIONS ARE EXPECTED THROUGHOUT THE PERIOD...EXCEPT FOR A
SLIGHT CHANCE OF VLIFR TO LIFR CONDITIONS AT KPRB. PERIODS OF
MODERATE TO STRONG LOW-LEVEL WIND SHEAR AND TURBULENCE WILL LIKELY
IMPACT MOST TERMINALS SOUTH OF POINT CONCEPTION THROUGH 18Z.

KLAX...VFR CONDITIONS ARE EXPECTED THROUGHOUT THE PERIOD. CROSS
WINDS OCCURRING AT 12Z WILL LIKELY TURN NORTHEAST BUT LIKELY REMAIN
LESS THAN 5 KNOTS. THERE IS A CHANCE OF MODERATE LOW-LEVEL WIND
SHEAR AND TURBULENCE THROUGH 15Z.

KBUR...VFR CONDITIONS ARE EXPECTED THROUGHOUT THE PERIOD. PERIODS OF
MODERATE TO STRONG LOW-LEVEL WIND SHEAR AND TURBULENCE WILL OCCUR
THROUGH 18Z.

&&

.MARINE...16/300 AM PST.

NORTHWEST TO NORTH WINDS WILL CONTINUE TO CREATE SMALL CRAFT
ADVISORY CONDITIONS FROM POINT SAL TO SAN CLEMENTE ISLAND THROUGH
EARLY THIS MORNING. SHORT-PERIOD HAZARDOUS SEAS WILL LIKELY PERSIST
THROUGH THE EARLY MORNING HOURS.

OTHERWISE...NORTHEAST WINDS WILL LIKELY CREATE SMALL CRAFT ADVISORY
CONDITIONS NEAR SHORE LATER THIS MORNING THROUGH THIS AFTERNOON FROM
SANTA MONICA TO VENTURA HARBOR AND EXTEND OUT TO THE NORTHERN
CHANNEL ISLANDS...AS WELL AS THE SAN PEDRO CHANNEL. LOCALLY DRIVEN
SHORT-PERIOD SEAS WILL LIKELY OCCUR...ESPECIALLY NEAR SHORE AND
COULD IMPACT EAST FACING HARBORS...SUCH AS AVALON HARBOR AND
SMUGGLERS COVE TODAY. THERE IS A CHANCE THAT STRONG OFFSHORE WINDS
MAY LINGER INTO MONDAY.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WARNING (SEE LAXNPWLOX).
RED FLAG WARNING (SEE LAXRFWLOX).
FREEZE WATCH (SEE LAXNPWLOX).
WIND ADVISORY (SEE LAXNPWLOX).
SMALL CRAFT ADVISORY (SEE LAXMWWLOX).
HIGH RIP CURRENT RISK (SEE LAXSRFLOX).

&&

PUBLIC...RORKE
AVIATION/MARINE...HALL
SYNOPSIS...SIRARD

WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Nov 15, 2:45 PM PST, 14 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
245 PM PST SAT NOV 15 2014

CAZ034>041-044>046-051>054-059-087-088-547-548-161400-
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-
245 PM PST SAT NOV 15 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TONIGHT

GUSTY WEST WINDS WILL AFFECT THE ANTELOPE VALLEY THIS AFTERNOON AND
EVENING. GUSTY NORTHWEST TO NORTH WINDS WILL AFFECT LOCATIONS
THROUGH AND BELOW PASSES AND CANYONS OF THE SANTA YNEZ RANGE
INCLUDING THE SOUTH COAST OF SANTA BARBARA COUNTY THROUGH TONIGHT.

DAMAGING NORTHWEST WIND GUSTS ARE EXPECTED TO DEVELOP LATE THIS
EVENING AND CONTINUE THROUGH TONIGHT ACROSS THE MOUNTAINS OF VENTURA
AND LOS ANGELES COUNTIES EXCLUDING THE SANTA MONICA MOUNTAINS.

THERE WILL BE A HIGH RISK OF RIP CURRENTS ON ALL AREA BEACHES
TONIGHT.

* HIGH WIND WARNING..........SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* HIGH RIP CURRENT RISK......SEE FZUS56 KLOX - SRFLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY

DAMAGING NORTHEAST WIND GUSTS ARE EXPECTED IN THE MOUNTAINS OF
VENTURA AND LOS ANGELES COUNTIES SUNDAY MORNING THROUGH MONDAY
MORNING...WITH THE POTENTIAL FOR DAMAGING WIND GUSTS IN THE
THE SANTA MONICA MOUNTAINS.

GUSTY NORTHEAST WINDS WILL AFFECT MOST VALLEY LOCATIONS IN LOS
ANGELES AND VENTURA COUNTY...THE VENTURA COUNTY COASTAL PLAIN...AND
THROUGH AND BELOW PASSES AND CANYONS FROM MALIBU TO THE HOLLYWOOD
HILLS ON SUNDAY.

THE COMBINATION OF GUSTY WINDS AND VERY LOW HUMIDITIES WILL BRING
CRITICAL FIRE WEATHER CONDITIONS TO MOST OF LOS ANGELES AND VENTURA
COUNTIES SUNDAY THROUGH MONDAY EVENING.

IT WILL BECOME VERY COLD IN THE ANTELOPE VALLEY SUNDAY NIGHT...AND A
HARD FREEZE WITH TEMPERATURES BELOW 28 DEGREES WILL BE POSSIBLE.

* HIGH WIND WARNING..........SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* HARD FREEZE WATCH..........SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* RED FLAG WARNING...........SEE WWUS86 KLOX - RFWLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

EB/DB

Event by event

3 high wind. Local standard time, as filed.

High Wind, Santa Monica Mountains Recreation Area

When
November 16, 4:56 AM PST to 1:56 PM PST
Where
Santa Monica Mountains Recreation Area forecast zone
Measured
64 kt (74 mph) measured gust
Reported by
RAWS

Strong north to northeast winds developed across the Santa Monica Mountains. The RAWS sensor at Malibu Hills reported wind gusts between 58 and 74 MPH.

High Wind, Los Angeles County Mountains Excluding the Santa Monica Range

When
November 16, 6:53 AM PST to 4:55 PM PST
Where
Los Angeles County Mountains Excluding the Santa Monica Range forecast zone
Measured
63 kt (72 mph) measured gust
Reported by
RAWS

Strong north to northeast winds developed across the mountains of Los Angeles county. Some peak gusts from local RAWS stations include: Mill Creek (gusts 58 to 62 MPH), Camp Nine (gusts 58-65 MPH) and Chilao (gusts 58 to 72 MPH).

High Wind, Ventura County Mountains

When
November 16, 6:53 AM PST to 4:55 PM PST
Where
Ventura County Mountains forecast zone
Measured
56 kt (64 mph) measured gust
Reported by
Mesonet

Strong north to northeast winds developed across the mountains of Ventura county. Wind gusts up to 65 MPH were observed.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in California in 2014Every state in 2014This day in weather historyWarnings in California, November 2014

Sources

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: 544621, 544622, 544623.