Alert archive / California / High Wind Watches in 2012

High Wind Watch 10, NWS Los Angeles, CA

October 23, 2012Los Angeles County, California

NWS Los Angeles, CA issued this high wind watch at Oct 23, 2012, 2:43 PM PDT for Los Angeles County, California. It took effect at Oct 25, 2012, 11:00 PM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 23, 2012, 2:43 PM PDT (21:43 UTC)
In effect from
Oct 25, 2012, 11:00 PM PDT
Expired
Oct 24, 2012, 3:08 PM PDT
In force
Issued by
NWS Los Angeles, CA

County Los Angeles County, CA

The radar

The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 21:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 9.7 hours before the alert went out and 184 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 12:00Z on 2012-10-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 12:00Z on 2012-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
5 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

349 
WWUS76 KLOX 232143
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
243 PM PDT TUE OCT 23 2012

...FIRST NOTABLE SANTA ANA WIND EVENT OF THE SEASON...

.GUSTY NORTHEAST WINDS WILL AFFECT THE MOUNTAINS OF LOS ANGELES...
VENTURA... AND SANTA MONICA BEGINNING LATE THURSDAY NIGHT
INCLUDING THE INTERSTATE 5 CORRIDOR. THE STRONGEST WINDS ARE
EXPECTED MIDDAY ON FRIDAY AND SHOULD EASE BY LATE IN THE DAY.

CAZ046-053-054-240545-
/O.NEW.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...TOPANGA...LOCKWOOD VALLEY...
MOUNT PINOS...ACTON...MOUNT WILSON...SANDBERG
243 PM PDT TUE OCT 23 2012

...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
HIGH WIND WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING.

* WINDS...NORTHEAST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5
  CORRIDOR AND HIGHWAY 14. STRONG WINDS COULD KNOCK DOWN TREES AND
  POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

KJ/CK
5 follow-up statements
435 
WWUS76 KLOX 232217 AAA
NPWLOX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
317 PM PDT TUE OCT 23 2012

...FIRST NOTABLE SANTA ANA WIND EVENT OF THE SEASON...

.GUSTY NORTHEAST WINDS WILL AFFECT THE MOUNTAINS OF LOS ANGELES
AND VENTURA COUNTIES BEGINNING LATE THURSDAY NIGHT INCLUDING THE
INTERSTATE 5 CORRIDOR. THE STRONGEST WINDS ARE EXPECTED FRIDAY
MORNING AND SHOULD EASE BY LATE IN THE DAY.

CAZ053-054-240630-
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
317 PM PDT TUE OCT 23 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

* WINDS...NORTHEAST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 
  CORRIDOR AND HIGHWAY 14. STRONG WINDS COULD KNOCK DOWN TREES 
  AND POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ046-240630-
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
INCLUDING THE CITY OF...TOPANGA
317 PM PDT TUE OCT 23 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

* WINDS...NORTHEAST 30 TO 40 MPH WITH GUSTS UP TO 65 MPH.

* TIMING...LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES PASSING THROUGH TOPANGA...
  MALIBU... AND DECKER CANYONS AND THROUGH KANAN ROAD. STRONG
  WINDS COULD KNOCK DOWN TREES AND POWER LINES AND POSSIBLY
  PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
384 
WWUS76 KLOX 240027
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
527 PM PDT TUE OCT 23 2012

...FIRST NOTABLE SANTA ANA WIND EVENT OF THE SEASON...

...GUSTY SUNDOWNER WINDS WILL AFFECT PORTIONS OF THE SANTA YNEZ
MOUNTAINS AND SANTA BARBARA SOUTH COAST...

GUSTY NORTHWEST TO NORTH WINDS WILL AFFECT PORTIONS OF THE SANTA
BARBARA COUNTY MOUNTAINS AND ADJACENT SOUTH COAST THIS EVENING
INTO EARLY WEDNESDAY MORNING. NORTHERLY WINDS ARE EXPECTED TO INCREASE
IN AREAL COVERAGE AND STRENGTH ON WEDNESDAY NIGHT INTO THURSDAY
MORNING...WHEN A WIND ADVISORY WILL LIKELY BE POSTED FOR PORTIONS OF LOS 
ANGELES AND SANTA BARBARA COUNTIES.

OUR FIRST SIGNIFICANT AND WIDESPREAD SANTA ANA WIND EVENT IS THEN
ON TAP FROM THURSDAY EVENING THROUGH FRIDAY EVENING...IMPACTING MUCH
OF LOS ANGELES AND VENTURA COUNTIES. THERE WILL BE THE POTENTIAL
FOR DAMAGING WIND GUSTS TO 60 MPH ACROSS THE MOUNTAINS OF LOS ANGELES
AND VENTURA COUNTIES INCLUDING THE SANTA MONICA RANGE. AS THE
EVENT GETS CLOSER...WIND ADVISORIES WILL LIKELY BE NEEDED FOR THE
WIND PRONE COAST AND VALLEY AREAS.



CAZ039-052-240830-
/O.NEW.KLOX.WI.Y.0069.121024T0027Z-121024T1000Z/
SANTA BARBARA COUNTY SOUTH COAST-SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
527 PM PDT TUE OCT 23 2012

...WIND ADVISORY IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PDT WEDNESDAY.

* WINDS AND TIMING...GUSTY NORTHWEST TO NORTH WINDS 15 TO 30 MPH
  WITH GUSTS TO 45 MPH WILL AFFECT THE SANTA YNEZ MOUNTAIN RANGE
  THIS EVENING. THE ADJACENT SANTA BARBARA WIND PRONE PASSES AND
  CANYONS WILL ALSO BE AFFECTED WITH WIND GUSTS TO 35 MPH...MAINLY
  FROM GAVIOTA TO GOLETA. WINDS WILL SHIFT TO THE NORTH TO
  NORTHEAST LATER TONIGHT BRINGING LOCAL WINDY CONDITIONS TO THE
  HILLS OF MONTECITO THROUGH EARLY WEDNESDAY MORNING.

* IMPACTS...WINDS THIS STRONG COULD MAKE DRIVING
  DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. MAJOR ROADWAYS
  THAT COULD BE IMPACTED INCLUDE HIGHWAYS 101...154 AND
  192...ESPECIALLY NEAR GAVIOTA...SAN MARCOS PASS AND BELOW THE
  HILLS OF MONTECITO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ053-054-240830-
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
527 PM PDT TUE OCT 23 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

* WINDS...NORTHEAST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 
  CORRIDOR AND HIGHWAY 14. STRONG WINDS COULD KNOCK DOWN TREES 
  AND POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

CAZ046-240830-
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
INCLUDING THE CITY OF...TOPANGA
527 PM PDT TUE OCT 23 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

* WINDS...NORTHEAST 30 TO 40 MPH WITH GUSTS UP TO 65 MPH.

* TIMING...LATE THURSDAY NIGHT THROUGH LATE FRIDAY NIGHT.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES PASSING THROUGH TOPANGA...
   MALIBU... AND DECKER CANYONS AND THROUGH KANAN ROAD. STRONG 
  WINDS COULD KNOCK DOWN TREES AND POWER LINES AND POSSIBLY 
  PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

KAPLAN/GOMBERG
819 
WWUS76 KLOX 240925
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
225 AM PDT WED OCT 24 2012

...MODERATE NORTH WINDS ON TAP FOR THIS EVENING AND THURSDAY MORNING...

...FIRST NOTABLE SANTA ANA WIND EVENT OF THE SEASON...

NORTHERLY WINDS ARE EXPECTED TO INCREASE THIS EVENING AND LAST INTO
THURSDAY MORNING...WIND ADVISORIES NOW COVER PORTIONS OF LOS
ANGELES AND SANTA BARBARA COUNTIES TONIGHT AND THURSDAY MORNING.

THE FIRST SIGNIFICANT SANTA ANA WIND EVENT WILL DEVELOP THURSDAY
EVENING AND LAST THROUGH FRIDAY EVENING...IMPACTING MUCH OF LOS
ANGELES AND VENTURA COUNTIES. THERE WILL BE THE POTENTIAL FOR
DAMAGING WIND GUSTS TO 60 MPH ACROSS THE MOUNTAINS OF LOS ANGELES
AND VENTURA COUNTIES INCLUDING THE SANTA MONICA RANGE. AS THE EVENT
GETS CLOSER...WIND ADVISORIES WILL LIKELY BE NEEDED FOR MANY COAST
AND VALLEY AREAS AS WELL.

CAZ039-052-241900-
/O.CAN.KLOX.WI.Y.0069.000000T0000Z-121024T1000Z/
/O.NEW.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
SANTA BARBARA COUNTY SOUTH COAST-SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
225 AM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON PDT
THURSDAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY. THE WIND ADVISORY HAS BEEN CANCELLED.

* WINDS AND TIMING...WIND ADVISORY WINDS ARE NO LONGER OCCURRING
  AND THE CURRENT WIND ADVISORY HAS BEEN CANCELLED. LATER THIS
  EVENING NORTH CANYON WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH
  WILL DEVELOP AGAIN AND LAST INTO THURSDAY MORNING.

* IMPACTS...WINDS THIS STRONG COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT 
  COULD BE IMPACTED INCLUDE HIGHWAYS 101...154 AND 192...
  ESPECIALLY NEAR GAVIOTA...SAN MARCOS PASS AND BELOW THE HILLS 
  OF MONTECITO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 45 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ088-241900-
/O.NEW.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
/O.EXA.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
SANTA CLARITA VALLEY-
INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA
225 AM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON PDT
THURSDAY...
...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY. A HIGH WIND WATCH HAS ALSO BEEN ISSUED. THIS HIGH
WIND WATCH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
EVENING.

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 45 MPH
  WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. DURING
  THURSDAY EVENING NORTHEAST WINDS WILL INCREASE TO 25 TO 35 MPH
  WITH POTENTIAL GUSTS TO 60 MPH AND LAST INTO FRIDAY EVENING.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 
  CORRIDOR AND HIGHWAY 14. STRONG WINDS COULD KNOCK DOWN TREES 
  AND POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ053-054-241900-
/O.NEW.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
225 AM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON PDT
THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY.

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 50 MPH
  WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. DURING
  THURSDAY EVENING NORTHEAST WINDS WILL INCREASE TO 30 TO 40 MPH
  WITH POTENTIAL GUSTS TO 65 MPH AND LAST INTO FRIDAY EVENING.
  WINDS WILL BE STRONGEST THROUGH THE I-5 CORRIDOR.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 
  CORRIDOR AND HIGHWAY 14. STRONG WINDS COULD KNOCK DOWN TREES 
  AND POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ046-241900-
/O.NEW.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
INCLUDING THE CITY OF...TOPANGA
225 AM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON PDT
THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY.

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 50 MPH
  WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. DURING
  THURSDAY EVENING NORTHEAST WINDS WILL INCREASE TO 30 TO 40 MPH
  WITH POTENTIAL GUSTS TO 65 MPH AND LAST INTO FRIDAY EVENING.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...ESPECIALLY
  FOR HIGH PROFILE VEHICLES PASSING THROUGH TOPANGA...MALIBU...
  AND DECKER CANYONS AND THROUGH KANAN ROAD. STRONG WINDS COULD
  KNOCK DOWN TREES AND POWER LINES AND POSSIBLY PRODUCE PROPERTY
  DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ059-241900-
/O.NEW.KLOX.WI.Y.0070.121024T1900Z-121025T0400Z/
ANTELOPE VALLEY-
INCLUDING THE CITIES OF...LANCASTER...PALMDALE
225 AM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM PDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 9 PM PDT
THIS EVENING.

* WINDS AND TIMING...WEST TO NORTHWEST WINDS 20 TO 30 MPH WITH
  GUSTS TO 45 MPH WILL DEVELOP THIS AFTERNOON AND LAST INTO THE
  EARLY EVENING. THE WINDS WILL BE STRONGEST IN THE WESTERN
  PORTION OF THE ANTELOPE VALLEY.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...ESPECIALLY
  FOR HIGH PROFILE VEHICLES. IN ADDITION THE STRONG WINDS MAY
  PRODUCE CLOUDS OF BLOWING SAND AND DUST WITH LOWERED VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ044-045-547-241900-
/O.NEW.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY...
WOODLAND HILLS...NORTHRIDGE...BURBANK...UNIVERSAL CITY
225 AM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO NOON PDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY.

* WINDS AND TIMING...NORTH WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH
  WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. WINDS
  WILL BE STRONGEST IN THE WESTERN PORTION OF THE SAN FERNANDO
  VALLEY AND THE EASTERN PORTION OF THE VENTURA VALLEYS.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...ESPECIALLY
  FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

ASR/RAT
186 
WWUS76 KLOX 241854
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1154 AM PDT WED OCT 24 2012

...MODERATE NORTH WINDS ON TAP FOR THIS EVENING AND THURSDAY
MORNING...

...FIRST NOTABLE SANTA ANA WIND EVENT OF THE SEASON...

NORTHERLY WINDS ARE EXPECTED TO INCREASE THIS EVENING AND LAST
INTO THURSDAY MORNING...WIND ADVISORIES NOW COVER PORTIONS OF LOS
ANGELES AND SANTA BARBARA COUNTIES TONIGHT AND THURSDAY MORNING.

THE FIRST SIGNIFICANT SANTA ANA WIND EVENT WILL DEVELOP THURSDAY
EVENING AND LAST THROUGH FRIDAY EVENING...IMPACTING MUCH OF LOS
ANGELES AND VENTURA COUNTIES. THERE WILL BE THE POTENTIAL FOR
DAMAGING WIND GUSTS TO 60 MPH ACROSS THE MOUNTAINS OF LOS ANGELES
AND VENTURA COUNTIES INCLUDING THE SANTA MONICA RANGE. AS THE
EVENT GETS CLOSER...WIND ADVISORIES WILL LIKELY BE NEEDED FOR
MANY COAST AND VALLEY AREAS AS WELL.

CAZ088-250300-
/O.CON.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
SANTA CLARITA VALLEY-
INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA
1154 AM PDT WED OCT 24 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 45 
  MPH WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. 
  DURING THURSDAY EVENING NORTHEAST WINDS WILL INCREASE TO 25 TO 
  35 MPH WITH POTENTIAL GUSTS TO 60 MPH AND LAST INTO FRIDAY 
  EVENING.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 
  CORRIDOR AND HIGHWAY 14. STRONG WINDS COULD KNOCK DOWN TREES 
  AND POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ053-054-250300-
/O.CON.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
1154 AM PDT WED OCT 24 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 50 
  MPH WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. 
  DURING THURSDAY EVENING NORTHEAST WINDS WILL INCREASE TO 30 TO 
  40 MPH WITH POTENTIAL GUSTS TO 65 MPH AND LAST INTO FRIDAY 
  EVENING. WINDS WILL BE STRONGEST THROUGH THE I-5 CORRIDOR.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 
  CORRIDOR AND HIGHWAY 14. STRONG WINDS COULD KNOCK DOWN TREES 
  AND POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ046-250300-
/O.CON.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
/O.CON.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
INCLUDING THE CITY OF...TOPANGA
1154 AM PDT WED OCT 24 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY EVENING...

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 50 
  MPH WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. 
  DURING THURSDAY EVENING NORTHEAST WINDS WILL INCREASE TO 30 TO 
  40 MPH WITH POTENTIAL GUSTS TO 65 MPH AND LAST INTO FRIDAY 
  EVENING.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES PASSING THROUGH TOPANGA...
   MALIBU... AND DECKER CANYONS AND THROUGH KANAN ROAD. STRONG 
  WINDS COULD KNOCK DOWN TREES AND POWER LINES AND POSSIBLY 
  PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ059-250300-
/O.CON.KLOX.WI.Y.0070.121024T1900Z-121025T0400Z/
ANTELOPE VALLEY-
INCLUDING THE CITIES OF...LANCASTER...PALMDALE
1154 AM PDT WED OCT 24 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...

* WINDS AND TIMING...WEST TO NORTHWEST WINDS 20 TO 30 MPH WITH 
  GUSTS TO 45 MPH WILL DEVELOP THIS AFTERNOON AND LAST INTO THE 
  EARLY EVENING. THE WINDS WILL BE STRONGEST IN THE WESTERN 
  PORTION OF THE ANTELOPE VALLEY.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION THE STRONG 
  WINDS MAY PRODUCE CLOUDS OF BLOWING SAND AND DUST WITH LOWERED 
  VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ039-052-250300-
/O.CON.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
SANTA BARBARA COUNTY SOUTH COAST-SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
1154 AM PDT WED OCT 24 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY...

* WINDS AND TIMING...NORTH CANYON WINDS 20 TO 30 MPH WITH GUSTS TO
  45 MPH WILL DEVELOP TONIGHT AND LAST INTO THURSDAY MORNING.

* IMPACTS...WINDS THIS STRONG COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT 
  COULD BE IMPACTED INCLUDE HIGHWAYS 101...154 AND 192... 
  ESPECIALLY NEAR GAVIOTA...SAN MARCOS PASS AND BELOW THE HILLS 
  OF MONTECITO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 45 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ044-045-547-250300-
/O.CON.KLOX.WI.Y.0070.121025T0300Z-121025T1900Z/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY...
WOODLAND HILLS...NORTHRIDGE...BURBANK...UNIVERSAL CITY
1154 AM PDT WED OCT 24 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY...

* WINDS AND TIMING...NORTH WINDS 15 TO 25 MPH WITH GUSTS TO 40 
  MPH WILL DEVELOP THIS EVENING AND LAST INTO THURSDAY MORNING. 
  WINDS WILL BE STRONGEST IN THE WESTERN PORTION OF THE SAN 
  FERNANDO VALLEY AND THE EASTERN PORTION OF THE VENTURA VALLEYS.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
444 
WWUS76 KLOX 242208
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
308 PM PDT WED OCT 24 2012

...GUSTY NORTH WINDS BEGIN THIS EVENING...

...FIRST NOTABLE SANTA ANA WIND EVENT OF THE SEASON THURSDAY NIGHT
AND FRIDAY...

NORTHERLY WINDS WILL INCREASE THIS EVENING ACROSS PORTIONS OF
SANTA BARBARA... VENTURA... AND LOS ANGELES COUNTIES AND GUSTY
WINDS WILL CONTINUE INTO THURSDAY.  AS THE WIND SHIFTS TO THE
NORTHEAST ON THURSDAY... WINDS IN SANTA BARBARA COUNTY WILL
DIMINISH WHILE WINDS IN MOST LOCATIONS IN VENTURA AND LOS ANGELES
COUNTIES WILL INCREASE FURTHER.

THE FIRST SIGNIFICANT SANTA ANA WIND EVENT WILL DEVELOP THURSDAY
EVENING AND CONTINUE THROUGH FRIDAY... IMPACTING MUCH OF LOS
ANGELES AND VENTURA COUNTIES. THERE WILL BE THE POTENTIAL FOR
DAMAGING WIND GUSTS TO 65 MPH ACROSS THE MOUNTAINS OF LOS ANGELES
AND VENTURA COUNTIES INCLUDING THE SANTA MONICA RANGE.

CAZ088-250615-
/O.UPG.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
/O.NEW.KLOX.HW.W.0012.121026T0300Z-121027T0100Z/
/O.EXT.KLOX.WI.Y.0070.121025T0300Z-121026T0300Z/
SANTA CLARITA VALLEY-
INCLUDING THE CITIES OF...SANTA CLARITA...NEWHALL...VALENCIA
308 PM PDT WED OCT 24 2012

...WIND ADVISORY CONTINUES TO BE IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM PDT THURSDAY... 
...HIGH WIND WARNING IN EFFECT FROM 8 PM THURSDAY TO 6 PM PDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
HIGH WIND WARNING...WHICH IS IN EFFECT FROM 8 PM THURSDAY TO 6 PM
PDT FRIDAY. 

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 45 MPH
  WILL DEVELOP THIS EVENING. BY THURSDAY EVENING... NORTHEAST
  WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS TO 60 MPH AND
  LAST INTO FRIDAY EVENING.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 AND
  HIGHWAY 14 CORRIDORS.  STRONG WINDS COULD KNOCK DOWN TREES AND
  POWER LINES AND POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ053-054-250615-
/O.UPG.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
/O.NEW.KLOX.HW.W.0012.121026T0300Z-121027T0100Z/
/O.EXT.KLOX.WI.Y.0070.121025T0300Z-121026T0300Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
308 PM PDT WED OCT 24 2012

...WIND ADVISORY CONTINUES TO BE IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM PDT THURSDAY... 
...HIGH WIND WARNING IN EFFECT FROM 8 PM THURSDAY TO 6 PM PDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
HIGH WIND WARNING...WHICH IS IN EFFECT FROM 8 PM THURSDAY TO 6 PM
PDT FRIDAY.

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 50 MPH
  WILL DEVELOP THIS EVENING...STRONGEST THROUGH THE I-5 CORRIDOR.
  BY THURSDAY EVENING...NORTHEAST WINDS WILL INCREASE TO 30 TO 40
  MPH WITH GUSTS TO 65 MPH AND LAST INTO FRIDAY EVENING. 

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES ACROSS THE INTERSTATE 5 AND HIGHWAY
  14 CORRIDORS. STRONG WINDS COULD KNOCK DOWN TREES AND POWER LINES AND
  POSSIBLY PRODUCE PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF
58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ046-250615-
/O.UPG.KLOX.HW.A.0010.121026T0600Z-121027T0600Z/
/O.NEW.KLOX.HW.W.0012.121026T0300Z-121027T0100Z/
/O.EXT.KLOX.WI.Y.0070.121025T0300Z-121026T0300Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
INCLUDING THE CITY OF...TOPANGA
308 PM PDT WED OCT 24 2012

...WIND ADVISORY CONTINUES TO BE IN EFFECT FROM 8 PM THIS EVENING
TO 8 PM PDT THURSDAY... 
...HIGH WIND WARNING IN EFFECT FROM 8 PM THURSDAY TO 6 PM PDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
HIGH WIND WARNING...WHICH IS IN EFFECT FROM 8 PM THURSDAY TO 6 PM
PDT FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT.

* WINDS AND TIMING...NORTH WINDS 20 TO 35 MPH WITH GUSTS TO 50 MPH
  WILL DEVELOP THIS EVENING. BY THURSDAY EVENING... NORTHEAST
  WINDS WILL INCREASE TO 30 TO 40 MPH WITH GUSTS TO 65 MPH AND
  LAST INTO FRIDAY EVENING.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES PASSING THROUGH TOPANGA...
  MALIBU... AND DECKER CANYONS AND ON KANAN ROAD. STRONG WINDS
  COULD KNOCK DOWN TREES AND POWER LINES AND POSSIBLY PRODUCE
  PROPERTY DAMAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF
58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ039-052-250615-
/O.EXT.KLOX.WI.Y.0070.121025T0300Z-121026T1000Z/
SANTA BARBARA COUNTY SOUTH COAST-SANTA BARBARA COUNTY MOUNTAINS-
INCLUDING THE CITIES OF...SANTA BARBARA...MONTECITO...
CARPINTERIA...SAN MARCOS PASS...SAN RAFAEL WILDERNESS AREA...
DICK SMITH WILDERNESS AREA
308 PM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 3 AM PDT
FRIDAY...

* WINDS AND TIMING...NORTH CANYON WINDS 20 TO 30 MPH WITH GUSTS TO
  45 MPH WILL DEVELOP TONIGHT AND LAST INTO EARLY FRIDAY MORNING.
  ISOLATED GUSTS BETWEEN 50 AND 60 MPH EACH EVENING ACROSS THE HILLS
  ABOVE MONTECITO.

* IMPACTS...WINDS THIS STRONG COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. MAJOR ROADWAYS THAT 
  COULD BE IMPACTED INCLUDE HIGHWAYS 101... 154... AND 192... 
  ESPECIALLY NEAR GAVIOTA... SAN MARCOS PASS AND BELOW THE HILLS 
  OF MONTECITO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 TO 45 MPH ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ044-045-547-250615-
/O.EXT.KLOX.WI.Y.0070.121025T0300Z-121027T0100Z/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY...
WOODLAND HILLS...NORTHRIDGE...BURBANK...UNIVERSAL CITY
308 PM PDT WED OCT 24 2012

...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 PM PDT
FRIDAY...

* WINDS AND TIMING...NORTH WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH
  WILL DEVELOP THIS EVENING AND PERSIST INTO THURSDAY EVENING.
  WINDS WILL SHIFT TO THE NORTHEAST AND INCREASE TO 25 TO 35 MPH
  WITH GUSTS TO 50 MPH LATER THURSDAY NIGHT INTO FRIDAY. WINDS
  WILL BE STRONGEST IN THE WESTERN PORTION OF THE SAN FERNANDO
  VALLEY AND THE EASTERN PORTION OF THE VENTURA VALLEYS.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

CAZ059-250400-
/O.CON.KLOX.WI.Y.0070.000000T0000Z-121025T0400Z/
ANTELOPE VALLEY-
INCLUDING THE CITIES OF...LANCASTER...PALMDALE
308 PM PDT WED OCT 24 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...

* WINDS AND TIMING...WEST TO NORTHWEST WINDS 20 TO 30 MPH WITH
  GUSTS TO 45 MPH WILL CONTINUE INTO THE EARLY EVENING. THE WINDS
  WILL BE STRONGEST IN THE WESTERN PORTION OF THE ANTELOPE
  VALLEY.

* IMPACTS...STRONG WINDS COULD MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES. IN ADDITION THE STRONG 
  WINDS MAY PRODUCE CLOUDS OF BLOWING SAND AND DUST WITH LOWERED 
  VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 45 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

KJ/GOMBERG

What forecasters said that day

The local office's own words before this high wind watch went out, 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 this high wind watch went out at Oct 23, 11:45 AM PDT, 2 hours 58 minutes earlier.

Area forecast discussion, Oct 23, 11:45 AM PDT, 2 hours 58 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1145 AM PDT TUE OCT 23 2012

...NEW AVIATION DISCUSSION...

.SYNOPSIS...
A FEW SHOWERS WILL REMAIN IN THE WAKE OF A DEPARTING COLD FRONT.
SKIES WILL BE PARTLY TO MOSTLY CLOUDY AND TEMPERATURES WILL BE BELOW
NORMAL. THERE WILL BE SOME NORTHERLY CANYON WINDS WEDNESDAY MORNING
UNDER PARTLY CLOUDY SKIES WITH TEMPERATURES REMAINING BELOW NORMAL.
A WARMING TREND WILL START AT THE END OF THE WEEK. IT WILL BE CLEAR
DRY AND WINDY AT TIMES FRIDAY AND INTO THE WEEKEND WITH TEMPERATURES
RISING TO ABOVE NORMAL..

&&

.SHORT TERM (TODAY-THU)...
.MORNING UPDATE...
NO NOTABLE CHANGES EXPECTED TO THE FORECAST PACKAGE.  LINGERING
PRECIP THIS MORNING WITH A MOIST LOW LEVEL LAYER WILL HELP TO
KEEP TEMPERATURES FROM REBOUNDING TOO QUICKLY TODAY.  A WEAK
BOUNDARY MOVING OVER THE AREA THIS AFTERNOON/EVENING MAY RESULT IN
ADDITIONAL BRIEF PRECIP BUT OTHERWISE THE REGION WILL BEGIN DRYING
OUT AND WARMING UP.  WINDS WILL BE THE CONCERN FOR THE REMAINDER OF
THE WORKWEEK AS NORTH WIND CONDITIONS BEGIN TO SET UP.  THIS MAY
BRING SUNDOWNER WINDS MID WEEK THEN BUILD INTO A SANTA ANA WIND
SCENARIO BY LATE IN THE WEEK.  WINDS WILL BECOME BREEZY AT THE LEAST
BUT DETERMINING THE STRENGTH AND TIMING OF THE CONDITIONS ACROSS THE
VARIOUS CANYONS AND VALLEYS WILL BE A FOCUS FOR TODAY.  TEMPERATURES
WILL WARM AS THE WEEK PROGRESSES AND JUST HOW WARM IT GETS BY THE
END OF THE WEEK WILL BE A SECONDARY FOCUS.

.OVERNIGHT DISCUSSION...
TOUGH CLOUD FORECAST TODAY WITH SKIES CLEARING RAPIDLY IN THE WAKE
OF A DISSIPATING COLD FRONT THAT IS CURRENTLY OVER L.A. COUNTY AND
PRODUCING A FEW LIGHT SHOWERS. SKIES ARE PRETTY CLEAR FROM VENTURA
COUNTY AND WESTWARD...EXCEPT A LITTLE IMPULSE IS MOVING INTO SLO
COUNTY FROM THE NW. THERE IS ALSO A GREAT DEAL OF LOW LEVEL MOISTURE
AND WHEN THE SUN HITS A STRATA CU DECK WILL LIKELY POP UP. IT IS
LIKELY THAT MANY PLACES TODAY WILL HAVE PERIODS OF MOSTLY
SUNNY...PARTLY CLOUDY AND MOSTLY CLOUDY AT VARIOUS TIMES OF THE DAY.
THERE IS AN IMPRESSIVE JET STREAK ENHANCING THE WEATHER NORTH OF THE
AREA AND IT IS ENHANCING THE PRECIPITATION. PRECIP DOWN HERE LOOKS
TO BE CONFINED TO L.A. COUNTY EARLY THIS MORNING AND ANY RAIN THAT
DOES FALL WILL BE VERY LIGHT. MAX TEMPS TODAY WILL BE WARMER THAN
MONDAY BUT STILL BELOW NORMAL.

A LITTLE NORTH WIND EVENT SETS UP TONIGHT AS SOME COLD AIR SPILLS IN
FROM THE NORTH AND THE NORTH/SOUTH GRADS TURN OFFSHORE. THE MDLS
HAVE REALLY BACKED OFF ON THE WIND SPEEDS FOR THIS EVENT AND NOW
THINK THAT MOST WINDS WILL BE BLO ADVISORY CRITERIA ALTHOUGH THE
NORMAL REMOTE OUTLIERS LIKE WHITAKER PEAK COULD BE BLOWING PRETTY
GOOD. THERE WILL LIKELY BE FEW GUSTS TO 30 MPH IN THE EASTERN VTA
VLYS THE SANTA MONICA MTNS AND THE SAN FERNANDO VLY. THE STRONGEST
WINDS WITH GUSTS AROUND 40 MPH WILL OCCUR THROUGH THE I-5 CORRIDOR.
A 25 TO 35 MPH SUNDOWNER WILL ALSO OCCUR. THESE WINDS COULD MESS UP
THE LOW TEMP FORECASTS FOR THE BREEZY AREAS WITH LOWS MANY DEGREES
WARMER THAN THE SURROUNDING NON BREEZY AREAS.

SKIES WILL BE PARTLY CLOUDY WITH WARMING TEMPS ON WEDNESDAY SOUTH OF
POINT CONCEPTION BUT CLOUDS WILL BE ON THE INCREASE NORTH OF POINT
CONCEPTION AS ONE LAST IMPULSE ROTATES INTO THE AREA. THE CENTRAL
COAST MAY EVEN SEE A SPRINKLE OR TWO IN THE AFTERNOON.

NOT TOO MUCH GOING ON THURSDAY. THE BIG TROF OVER THE PAC NORTHWEST
BEGINS TO WEAKEN. HGTS RISE SOME SO IT WILL WARM A DEGREE OR TWO.
THERE WILL STILL BE SOME MID LEVEL MOISTURE EMBEDDED IN THE WESTERLY
FLOW OVER THE STATE AND SKIES WILL LIKELY BE PARTLY CLOUDY.

.LONG TERM (FRI-MON)...
ALL EYES ON FRIDAY AS THE MOST INTERESTING DAY OF THE WEEK. ALL MDLS
AGREE THAT THE LONG WAVE TROF OVER THE WEST WILL MOVE EAST AND THE
EAST PAC RIDGE WILL BUILD INTO THE WEST COAST. MORE IMPORTANTLY A
COLD STRONG SFC HIGH WILL BUILD INTO GREAT BASIN. THE LATEST NAM RUN
SHOWS AN OTHER-WORLDLY 10 MB OFFSHORE GRADIENT FROM KDAG SETTING UP
BY 12Z. THIS MORE THAN LIKELY WILL NOT VERIFY BUT THERE WILL STILL
BE AT LEAST MODERATE OFFSHORE FLOW ALONG WITH A LITTLE COLD AIR
ADVECTION AND THIS SHOULD SET UP THE FIRST GOOD SANTA ANA OF THE
SEASON. WIND ADVISORY LEVELS FOR SURE AND WARNINGS NOT OUT OF THE
QUESTION. THE OFFSHORE FLOW WILL ALLOW FOR A GOOD WARM UP BUT THE
COLD AIR ADVECTION WILL TEMPER THE WARM UP.

MDLS KEEP THE RIDGE OVERHEAD FOR THE DURATION OF THE EXTENDED
PERIOD. OFFSHORE FLOW WILL CONTINUE THOUGH NOT TO THE DEGREE OF
FRIDAYS EVENT. THE CANYON WINDS WILL CONTINUE THROUGH SUNDAY EACH
MORNING. THE COLD AIR WILL END BY SATURDAY AND THERE SHOULD BE A
GOOD WARM UP WHICH WILL LAST THROUGH MONDAY.

&&

.AVIATION...23/1800Z.
MOSTLY VFR CONDITIONS ARE EXPECTED THROUGH WEDNESDAY ASIDE FROM THE
OCCASIONAL MVFR TO VFR CEILING CAUSED BY WEAK FRONTAL ACTIVITY UP
NEAR THE MONTEREY BORDER. OF GREATER CONSEQUENCE WILL BE THE GRADUAL
INCREASE IN NORTH WINDS OVER THE NEXT 24 HOURS AS NORTHERLY FLOW
WILL ACCELERATE THROUGH THE PASSES AND CANYONS OF THE SANTA YNEZ
MOUNTAINS AND THROUGH THE I-5 CORRIDOR IN NORTHWEST LOS ANGELES
COUNTY. THEREFORE...LOCAL WIND SHEAR AND TURBULENCE MAY AFFECT KSBA
THIS EVENING AND POSSIBLY KBUR AND KVNY BY WEDNESDAY NIGHT NOT TO
MENTION AN OUTSIDE CHANCE OF CROSS-WINDS AT KLAX WEDNESDAY NIGHT.

KLAX...MVFR TO VFR CEILINGS ARE OCCASIONALLY POSSIBLE DUE TO
LINGERING MOISTURE IN THE LA BASIN. OTHERWISE VFR CONDITIONS WILL
CONTINUE THROUGH WEDNESDAY. THERE IS A SLIGHT CHANCE OF NORTHERLY
CROSS-WINDS WEDNESDAY NIGHT.

KBUR...MVFR TO VFR CEILINGS ARE OCCASIONALLY POSSIBLE DUE TO
LINGERING MOISTURE IN THE LA BASIN. OTHERWISE VFR CONDITIONS WILL
CONTINUE THROUGH WEDNESDAY. THERE IS A SLIGHT CHANCE OF LOW LEVEL
WIND SHEAR AND TURBULENCE WEDNESDAY NIGHT DUE TO INCREASING
NORTHERLY FLOW.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
SMALL CRAFT ADVISORY (SEE LAXMWWLOX).

&&

PUBLIC...RORKE/KJ
AVIATION...SWEET
SYNOPSIS...KITTELL

WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Oct 23, 6:00 AM PDT, 8 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PDT TUE OCT 23 2012

CAZ034>041-044>046-051>054-059-087-088-547-548-241300-
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-
600 AM PDT TUE OCT 23 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY

SURFACE HIGH PRESSURE IS EXPECTED TO BUILD INTO THE GREAT BASIN
THURSDAY NIGHT AND FRIDAY. THIS WILL PRODUCE A MODERATE SANTA ANA
WIND EVENT ACROSS VENTURA AND LOS ANGELES COUNTIES. GUSTY
NORTHEASTERLY WINDS WILL DEVELOP THROUGH AND BELOW PASSES AND
CANYONS. AS THE SANTA ANA WINDS DEVELOP...RELATIVE HUMIDITY WILL
BEGIN TO FALL DRAMATICALLY. THIS COMBINATION MAY PRODUCE CRITICAL
FIRE WEATHER CONDITIONS ACROSS SOME AREAS.

THOMPSON

The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 23, 2:18 AM PDTSmall Craft AdvisoryLOX4 days
Oct 23, 2:53 PM PDTFire Weather WatchLOXLos Angeles25 hr

Nearby

High Wind Watches in California, 2012Every high wind watch in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.