Alert archive / California / Wind Advisories in 2007

Wind Advisory 99, NWS Los Angeles, CA

April 17, 2007Los Angeles County, California

NWS Los Angeles, CA issued this wind advisory at Apr 17, 2007, 2:22 PM PDT for Los Angeles County, California. It took effect at Apr 17, 2007, 6:00 PM PDT. It was in force for 40 hr.

The area

The counties it named.

The facts

Issued
Apr 17, 2007, 2:22 PM PDT (21:22 UTC)
In effect from
Apr 17, 2007, 6:00 PM PDT
Expired
Apr 19, 2007, 9:39 AM PDT
In force
40 hr
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 21:19 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

Pt Mugu Naws, CA (KNTD), launched 12:00Z, 9.4 hours before the alert went out and 78 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, Pt Mugu Naws, CA at 12:00Z on 2007-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Pt Mugu Naws, CA at 12:00Z on 2007-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
107 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.

000 
WWUS76 KLOX 172122
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
222 PM PDT TUE APR 17 2007

...GUSTY WINDS ACROSS THE MOUNTAINS AND SOUTHERN SANTA BARBARA
COUNTY TONIGHT THROUGH WEDNESDAY NIGHT...

.A DRY COLD FRONT MOVING THROUGH THE AREA TODAY WILL CAUSE GUSTY
NORTH TO NORTHWEST WINDS ACROSS PORTIONS OF SOUTHERN CALIFORNIA
TONIGHT THROUGH WEDNESDAY NIGHT. DURING THE EVENING HOURS
TONIGHT...THE STRONGEST WINDS WILL BE IN SOUTHERN SANTA BARBARA
COUNTY. THEN WINDS WILL INCREASE OVER THE MOUNTAINS OF VENTURA AND
LOS ANGELES COUNTIES AFTER MIDNIGHT TONIGHT.

CAZ052-180515-
/O.NEW.KLOX.HW.W.0010.070418T0100Z-070419T1000Z/
SANTA BARBARA COUNTY MOUNTAINS-
222 PM PDT TUE APR 17 2007

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
THURSDAY. 

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 20 TO 40 MPH WITH
GUSTS TO 60 MPH TONIGHT. THE STRONGEST WINDS WILL BE THROUGH AND
BELOW PASSES AND CANYONS.

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.

$$

CAZ053-054-180515-
/O.NEW.KLOX.HW.W.0010.070418T0700Z-070419T1000Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
222 PM PDT TUE APR 17 2007

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PDT
THURSDAY. 

SOUTHERLY WINDS THIS AFTERNOON AND EVENING WILL SHIFT TO NORTHWEST
AFTER MIDNIGHT...INCREASING TO 25 TO 40 MPH WITH GUSTS TO 60 MPH.
THE STRONGEST WINDS WILL BE THROUGH THE INTERSTATE 5 CORRIDOR.

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.

$$

CAZ039-180515-
/O.NEW.KLOX.WI.Y.0099.070418T0100Z-070418T1700Z/
SANTA BARBARA COUNTY SOUTH COAST-
222 PM PDT TUE APR 17 2007

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PDT
WEDNESDAY. 

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH
GUSTS TO 50 MPH TONIGHT. THE STRONGEST WINDS WILL BE THROUGH AND
BELOW PASSES AND CANYONS.

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.

$$

WOFFORD
7 follow-up statements
000 
WWUS76 KLOX 180439
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
939 PM PDT TUE APR 17 2007

...GUSTY WINDS ACROSS THE MOUNTAINS AND SOUTHERN SANTA BARBARA
COUNTY TONIGHT THROUGH WEDNESDAY NIGHT...

.A DRY COLD FRONT MOVING THROUGH THE AREA THIS EVENING WILL CAUSE
GUSTY NORTH TO NORTHWEST WINDS ACROSS PORTIONS OF SOUTHERN
CALIFORNIA TONIGHT THROUGH WEDNESDAY NIGHT. THROUGH LATE TONIGHT...
THE STRONGEST WINDS WILL BE IN SOUTHERN SANTA BARBARA COUNTY...
THEN WINDS WILL INCREASE ACROSS THE MOUNTAINS OF VENTURA AND LOS
ANGELES COUNTIES OVERNIGHT.

CAZ052-181100-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
SANTA BARBARA COUNTY MOUNTAINS-
939 PM PDT TUE APR 17 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 30 TO 40 MPH WITH
GUSTS TO 60 MPH TONIGHT. THE STRONGEST WINDS WILL BE THROUGH AND
BELOW PASSES AND CANYONS.

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.

$$

CAZ053-054-181100-
/O.CON.KLOX.HW.W.0010.070418T0700Z-070419T1000Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
939 PM PDT TUE APR 17 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

SOUTHERLY WINDS THIS AFTERNOON AND EVENING WILL SHIFT TO NORTHWEST
AFTER MIDNIGHT...INCREASING TO 30 TO 40 MPH WITH GUSTS TO 60 MPH.
THE STRONGEST WINDS WILL BE FOCUSED THROUGH THE INTERSTATE 5
CORRIDOR.

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.

$$

CAZ039-181100-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070418T1700Z/
SANTA BARBARA COUNTY SOUTH COAST-
939 PM PDT TUE APR 17 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT WEDNESDAY. 

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS
TO 50 MPH TONIGHT. THE STRONGEST WINDS WILL BE THROUGH AND BELOW
PASSES AND CANYONS.

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.

$$

DB
000 
WWUS76 KLOX 181048
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
348 AM PDT WED APR 18 2007

...GUSTY WINDS WILL AFFECT PORTIONS OF SOUTHWESTERN CALIFORNIA
TODAY INTO TONIGHT...

.STRONG NORTHWESTERLY FLOW BEHIND A DRY COLD FRONT WILL BRING
GUSTY WINDS TO MUCH OF SOUTHWESTERN CALIFORNIA TODAY INTO TONIGHT.
WINDS WILL BE STRONGEST IN THE MOUNTAINS OF LOS ANGELES COUNTY
NEAR THE INTERSTATE 5 CORRIDOR...AND IN THE SANTA YNEZ MOUNTAINS
IN SANTA BARBARA COUNTIES. WIND GUSTS ARE EXPECTED TO EXCEED 60
MPH IN THESE AREAS.

CAZ052-181700-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
SANTA BARBARA COUNTY MOUNTAINS-
348 AM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA TODAY AND TONIGHT. THE STRONGEST WINDS
WILL BE THROUGH AND BELOW PASSES AND CANYONS OF THE SANTA YNEZ
RANGE. WINDS WILL DIMINISH SLOWLY LATE TONIGHT.

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.

$$

CAZ053-054-181700-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
348 AM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS TO 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA TODAY AND TONIGHT. THE STRONGEST WINDS WILL
BE FOCUSED THROUGH THE INTERSTATE 5 CORRIDOR. WINDS WILL DIMINISH
SLOWLY LATE TONIGHT.

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.

$$

CAZ059-181700-
/O.EXB.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
ANTELOPE VALLEY-
348 AM PDT WED APR 18 2007

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

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

WEST TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS OVER 50 MPH
WILL AFFECT THE ANTELOPE VALLEY TODAY THROUGH THIS EVENING. THE
STRONG WINDS WILL CAUSE AREAS OF BLOWING DUST AND SAND...WHICH
WILL LOCALLY REDUCE VISIBILITIES TO ONE QUARTER MILE OR LESS. 
WINDS WILL DIMINISH SLOWLY BY LATE EVENING.

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.

$$

CAZ088-181700-
/O.EXB.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SANTA CLARITA VALLEY-
348 AM PDT WED APR 18 2007

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

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

AREAS OF NORTHWEST TO NORTH WINDS OF 25 TO 35 MPH WITH GUSTS OVER
50 MPH WILL AFFECT THE AREA TODAY THROUGH THIS EVENING. THE
STRONGEST WINDS WILL BE THROUGH AND BELOW PASSES AND CANYONS.
WINDS WILL DIMINISH SLOWLY BY LATE EVENING. 

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.

$$

CAZ034-035-181700-
/O.EXB.KLOX.WI.Y.0099.070418T1700Z-070419T0400Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
348 AM PDT WED APR 18 2007

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 9 PM PDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 9 PM PDT
THIS EVENING. 

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS
OVER 40 MPH LATE THIS MORNING...THEN CONTINUE INTO THIS EVENING
BEFORE DIMINISHING.

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.

$$

CAZ046-181700-
/O.EXB.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
348 AM PDT WED APR 18 2007

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

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

AREAS OF NORTHWEST TO NORTH WINDS ARE EXPECTED TO INCREASE TO 25
TO 35 MPH WITH GUSTS TO 50 MPH TODAY...THEN CONTINUE INTO THIS
EVENING BEFORE SLOWLY DIMINISHING. THE STRONGEST WINDS WILL BE
THROUGH AND BELOW PASSES AND CANYONS.

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.

$$

CAZ039-181700-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070418T1700Z/
SANTA BARBARA COUNTY SOUTH COAST-
348 AM PDT WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING. 

AREAS OF NORTHWEST TO NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 50
MPH WILL AFFECT THE AREA THIS MORNING. THE STRONGEST WINDS WILL BE
THROUGH AND BELOW PASSES AND CANYONS. WINDS WILL DIMINISH LATE
THIS MORNING AND THIS AFTERNOON...BUT GUSTY WINDS ARE EXPECTED TO
DEVELOP AGAIN THIS EVENING.

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.

$$

BRUNO
000 
WWUS76 KLOX 181703
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1003 AM PDT WED APR 18 2007

...GUSTY WINDS WILL AFFECT PORTIONS OF SOUTHWESTERN CALIFORNIA
THROUGH TONIGHT...

.STRONG NORTHWESTERLY FLOW BEHIND A DRY COLD FRONT WILL CONTINUE
TO BRING GUSTY WINDS TO MUCH OF SOUTHWESTERN CALIFORNIA THROUGH
TONIGHT. WINDS WILL BE THE STRONGEST IN THE MOUNTAINS OF LOS
ANGELES AND VENTURA COUNTY...ESPECIALLY NEAR THE INTERSTATE 5
CORRIDOR.

CAZ039-181815-
/O.EXP.KLOX.WI.Y.0099.000000T0000Z-070418T1700Z/
SANTA BARBARA COUNTY SOUTH COAST-
1003 AM PDT WED APR 18 2007

...WIND ADVISORY WILL EXPIRE AT 10 AM PDT THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 10 AM PDT THIS MORNING. 

THE GUSTY NORTHWEST WINDS THAT AFFECTED THE SANTA BARBARA SOUTH
COAST EARLIER THIS MORNING HAVE RELAXED. LOCAL GUSTY WIND NEAR 30
MPH ARE STILL POSSIBLE HOWEVER...ESPECIALLY BELOW PASSES AND
CANYONS THROUGH THE AFTERNOON.

$$

CAZ052-190100-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
SANTA BARBARA COUNTY MOUNTAINS-
1003 AM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA THROUGH THIS LATE EVENING...THEN
SLOWLY DIMINISH LATE TONIGHT.

SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR
MORE CAN LEAD TO PROPERTY DAMAGE.

$$

CAZ053-054-190100-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
1003 AM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS TO 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA TODAY AND TONIGHT. THE STRONGEST WINDS
WILL BE FOCUSED THROUGH THE INTERSTATE 5 CORRIDOR. WINDS WILL
DIMINISH SLOWLY LATE TONIGHT.

SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR
MORE CAN LEAD TO PROPERTY DAMAGE.

$$

CAZ059-190100-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
ANTELOPE VALLEY-
1003 AM PDT WED APR 18 2007

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

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

WEST TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL
AFFECT THE ANTELOPE VALLEY TODAY THROUGH THIS EVENING. THE STRONG
WINDS WILL CAUSE AREAS OF BLOWING DUST AND SAND...WHICH WILL
LOCALLY REDUCE VISIBILITIES TO ONE QUARTER MILE OR LESS. WINDS
WILL DIMINISH SLOWLY BY LATE EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ034-035-190100-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
1003 AM PDT WED APR 18 2007

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

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

NORTHWEST WINDS ARE EXPECTED TO INCREASE TO 20 TO 30 MPH WITH GUSTS
TO 40 MPH LATER THIS MORNING...THEN CONTINUE INTO THIS EVENING
BEFORE DIMINISHING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ088-190100-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SANTA CLARITA VALLEY-
1003 AM PDT WED APR 18 2007

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

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

AREAS OF NORTHWEST TO NORTH WINDS OF 25 TO 35 MPH WITH GUSTS NEAR
50 MPH WILL AFFECT THE AREA TODAY THROUGH EARLY THIS EVENING...
THEN DIMINISH LATER IN THE EVENING. THE STRONGEST WINDS WILL BE
THROUGH AND BELOW PASSES AND CANYONS.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ046-190100-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
1003 AM PDT WED APR 18 2007

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

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

AREAS OF NORTHWEST TO NORTH WINDS ARE EXPECTED TO INCREASE TO 25 TO
35 MPH WITH GUSTS TO 50 MPH TODAY...THEN CONTINUE INTO THIS
EVENING. THE STRONGEST WINDS WILL BE THROUGH AND BELOW PASSES AND
CANYONS.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

KITTELL/WOFFORD
000 
WWUS76 KLOX 182209
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
309 PM PDT WED APR 18 2007

...GUSTY WINDS WILL AFFECT PORTIONS OF SOUTHWESTERN CALIFORNIA
THROUGH TONIGHT...

.STRONG NORTHWESTERLY FLOW BEHIND A DRY COLD FRONT WILL CONTINUE TO
BRING GUSTY WINDS TO MUCH OF SOUTHWESTERN CALIFORNIA THROUGH
TONIGHT. WINDS WILL BE THE STRONGEST IN THE MOUNTAINS OF LOS ANGELES
AND VENTURA COUNTY...ESPECIALLY NEAR THE INTERSTATE 5 CORRIDOR.

CAZ052-190400-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
SANTA BARBARA COUNTY MOUNTAINS-
309 PM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA THROUGH LATE THIS EVENING...THEN
SLOWLY DIMINISH LATE TONIGHT.

SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE
CAN LEAD TO PROPERTY DAMAGE.

$$

CAZ053-054-190400-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
309 PM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS TO 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA THROUGH MUCH OF TONIGHT. THE
STRONGEST WINDS WILL BE FOCUSED THROUGH THE INTERSTATE 5 CORRIDOR.
WINDS WILL DIMINISH SLOWLY LATE TONIGHT.

SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE
CAN LEAD TO PROPERTY DAMAGE.

$$

CAZ040-041-190400-
/O.EXA.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
309 PM PDT WED APR 18 2007

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

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

WEST TO NORTHWEST WINDS OF 20 TO 30 MPH WITH LOCAL GUSTS TO 40
MPH CAN BE EXPECTED THROUGH EARLY THIS EVENING BEFORE DIMINISHING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ047-190400-
/O.EXA.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
LOS ANGELES COUNTY VALLEYS-
309 PM PDT WED APR 18 2007

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

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

NORTHWEST TO NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH
WILL CONTINUE INTO THIS EVENING BEFORE DIMINISHING. THE STRONGEST
WINDS WILL BE BELOW PASSES AND CANYONS IN THE SAN FERNANDO
VALLEY.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ059-190400-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
ANTELOPE VALLEY-
309 PM PDT WED APR 18 2007

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

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

WEST TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL
AFFECT THE ANTELOPE VALLEY THROUGH THIS EVENING. THE STRONG WINDS
WILL CAUSE AREAS OF BLOWING DUST AND SAND...WHICH WILL LOCALLY
REDUCE VISIBILITIES TO ONE QUARTER MILE OR LESS. WINDS WILL
DIMINISH SLOWLY BY LATE EVENING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ034-035-190400-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
309 PM PDT WED APR 18 2007

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

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

NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL CONTINUE
INTO THIS EVENING BEFORE DIMINISHING.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ088-190400-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SANTA CLARITA VALLEY-
309 PM PDT WED APR 18 2007

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

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

AREAS OF NORTHWEST TO NORTH WINDS OF 25 TO 35 MPH WITH GUSTS NEAR
50 MPH WILL AFFECT THE AREA THROUGH EARLY THIS EVENING...THEN
DIMINISH LATER IN THE EVENING. THE STRONGEST WINDS WILL BE THROUGH
AND BELOW PASSES AND CANYONS.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ046-190400-
/O.CON.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
309 PM PDT WED APR 18 2007

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

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

AREAS OF NORTHWEST TO NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 50
MPH WILL CONTINUE INTO THIS EVENING. THE STRONGEST WINDS WILL BE
THROUGH AND BELOW PASSES AND CANYONS.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

SIRARD
000 
WWUS76 KLOX 190357
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
857 PM PDT WED APR 18 2007

...GUSTY WINDS WILL AFFECT PORTIONS OF SOUTHWESTERN CALIFORNIA
THROUGH TONIGHT...

.STRONG NORTHWESTERLY FLOW BEHIND A DRY COLD FRONT WILL CONTINUE TO
BRING GUSTY WINDS TO MUCH OF SOUTHWESTERN CALIFORNIA THROUGH
TONIGHT. WINDS WILL BE THE STRONGEST IN THE MOUNTAINS OF LOS ANGELES
AND VENTURA COUNTY...ESPECIALLY NEAR THE INTERSTATE 5 CORRIDOR.

CAZ034-035-040-041-059-190500-
/O.CAN.KLOX.WI.Y.0099.000000T0000Z-070419T0400Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
ANTELOPE VALLEY-
857 PM PDT WED APR 18 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE
WIND ADVISORY. 

WINDS HAVE LOWERED BELOW ADVISORY LEVELS...ALTHOUGH LOCAL WIND
GUSTS TO 30 MPH WILL BE POSSIBLE THROUGH THE EVENING.

$$

CAZ052-191000-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
SANTA BARBARA COUNTY MOUNTAINS-
857 PM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA THROUGH LATE THIS EVENING...THEN SLOWLY
DIMINISH LATE TONIGHT.

SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE
CAN LEAD TO PROPERTY DAMAGE.

$$

CAZ053-054-191000-
/O.CON.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
857 PM PDT WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS TO 30 TO 40 MPH WITH GUSTS TO
60 MPH WILL AFFECT THE AREA THROUGH MUCH OF TONIGHT. THE STRONGEST
WINDS WILL BE FOCUSED THROUGH THE INTERSTATE 5 CORRIDOR. WINDS WILL
DIMINISH SLOWLY LATE TONIGHT.

SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE
CAN LEAD TO PROPERTY DAMAGE.

$$

CAZ088-191000-
/O.EXT.KLOX.WI.Y.0099.000000T0000Z-070419T1000Z/
SANTA CLARITA VALLEY-
857 PM PDT WED APR 18 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PDT THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR
45 MPH WILL AFFECT THE AREA THROUGH MUCH OF TONIGHT...THEN
DIMINISH LATE. THE STRONGEST WINDS WILL BE THROUGH AND BELOW
PASSES AND CANYONS.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ046-191000-
/O.EXT.KLOX.WI.Y.0099.000000T0000Z-070419T1000Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
857 PM PDT WED APR 18 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PDT THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 3 AM PDT THURSDAY. 

AREAS OF NORTHWEST TO NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO
50 MPH WILL CONTINUE THROUGH MUCH OF TONIGHT THEN DIMINISH SOME
LATE. THE STRONGEST WINDS WILL BE THROUGH AND BELOW PASSES AND
CANYONS.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

CAZ047-191000-
/O.EXT.KLOX.WI.Y.0099.000000T0000Z-070419T1000Z/
LOS ANGELES COUNTY VALLEYS-
857 PM PDT WED APR 18 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PDT THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 3 AM PDT THURSDAY. 

NORTH WINDS OF 25 TO 35 MPH WITH GUSTS TO 40 MPH WILL CONTINUE
THROUGH MUCH OF TONIGHT BEFORE DIMINISHING SOME LATE. THE
STRONGEST WINDS WILL BE BELOW PASSES AND CANYONS IN THE SAN
FERNANDO VALLEY.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

$$

SIRARD
000 
WWUS76 KLOX 190958
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
258 AM PDT THU APR 19 2007

...GUSTY WINDS WILL CONTINUE ACROSS THE MOUNTAINS OF VENTURA AND
LOS ANGELES COUNTIES THIS MORNING...

.THE LOW LEVEL FLOW HAS TURNED NORTH TO NORTHEASTERLY THIS MORNING.
RELAXING PRESSURE GRADIENTS HAVE ALLOWED WINDS TO DECREASE BELOW
ADVISORY LEVELS ACROSS SANTA BARBARA COUNTY AND THE VALLEYS OF LOS
ANGELES COUNTY...ALTHOUGH WINDS STILL WILL BE LOCALLY GUSTY IN
THESE AREAS THIS MORNING. IN THE MOUNTAINS OF VENTURA AND LOS
ANGELES COUNTIES...INCLUDING THE SANTA MONICA RANGE...WINDS WILL
CONTINUE AT ADVISORY LEVELS THIS MORNING.

CAZ053-054-191800-
/O.EXP.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
/O.EXB.KLOX.WI.Y.0099.070419T1000Z-070419T1800Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
258 AM PDT THU APR 19 2007

...WIND ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...
...HIGH WIND WARNING WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM PDT THIS MORNING. THE HIGH
WIND WARNING WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING. 

AREAS OF NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS OVER
50 MPH WILL AFFECT THE AREA FOR MUCH OF THIS MORNING...WITH THE
STRONGEST WINDS THROUGH AND BELOW PASSES AND CANYONS. WINDS WILL
DIMINISH SLOWLY LATE THIS MORNING.

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

$$

CAZ052-191100-
/O.EXP.KLOX.HW.W.0010.000000T0000Z-070419T1000Z/
SANTA BARBARA COUNTY MOUNTAINS-
258 AM PDT THU APR 19 2007

...HIGH WIND WARNING WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING. 

HOWEVER...LOCALLY GUSTY WINDS WILL CONTINUE THROUGH PASSES AND
CANYONS THIS MORNING.

$$

CAZ088-191100-
/O.EXP.KLOX.WI.Y.0099.000000T0000Z-070419T1000Z/
SANTA CLARITA VALLEY-
258 AM PDT THU APR 19 2007

...WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING. 

HOWEVER...LOCALLY GUSTY NORTH TO NORTHEAST WINDS WILL CONTINUE
BELOW PASSES AND CANYONS THIS MORNING.


$$

CAZ047-191100-
/O.EXP.KLOX.WI.Y.0099.000000T0000Z-070419T1000Z/
LOS ANGELES COUNTY VALLEYS-
258 AM PDT THU APR 19 2007

...WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING. 

HOWEVER...LOCALLY GUSTY NORTH TO NORTHEAST WINDS WILL CONTINUE
BELOW PASSES AND CANYONS THIS MORNING.

$$

CAZ046-191800-
/O.EXT.KLOX.WI.Y.0099.000000T0000Z-070419T1800Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
258 AM PDT THU APR 19 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 11 AM PDT THIS MORNING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 11 AM PDT THIS MORNING. 

AREAS OF NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50
MPH WILL CONTINUE TO AFFECT THE AREA FOR MUCH OF THIS MORNING...WITH
THE STRONGEST WINDS THROUGH AND BELOW PASSES AND CANYONS. WINDS
WILL DIMINISH SLOWLY LATE THIS MORNING.

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

$$

BRUNO
000 
WWUS76 KLOX 191639
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
939 AM PDT THU APR 19 2007


CAZ046-053-054-191745-
/O.CAN.KLOX.WI.Y.0099.000000T0000Z-070419T1800Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
939 AM PDT THU APR 19 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CANCELLED THE
WIND ADVISORY. 

WINDS HAVE DIMINISHED IN MOST AREAS...WITH JUST A FEW LOCATIONS
GUSTING BETWEEN 30 AND 40 MPH. 

$$

WOFFORD

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at Apr 17, 1:55 PM PDT, 27 minutes earlier.

Area forecast discussion, Apr 17, 1:55 PM PDT, 27 minutes before
SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
155 PM PDT TUE APR 17 2007

.SHORT TERM (TODAY-FRI)...DRY COLD FRONT MOVING THROUGH THE AREA
THIS AFTERNOON. CLOUDS ARE CLEARING RAPIDLY ALONG THE CENTRAL COAST
AS COLD AIR ALOFT WIPES OUT ANY LINGERING LOW LVL INVERSION. THIS
WILL BE A LITTLE MORE PROBLEMATIC TONIGHT AS AN EDDY CIRCULATION
WILL AT LEAST INITIALLY KEEP CLOUDS IN FOR THE EVENING HOURS. GIVEN
THE STRENGTH OF THE COLD AIR ADVECTION AND NORTHWEST FLOW I THINK
MOST AREAS SHOULD CLEAR OUT BEFORE SUNRISE WED WITH THE POSSIBLE
EXCEPTION OF EXTREME EASTERN AND SOUTHERN LA COUNTY AND THE
GRAPEVINE AREA.

ANY LEFT OVER CLOUDS WED MORNING WILL DISSIPATE QUICKLY, LEAVING
MOSTLY SUNNY SKIES THROUGH THU WITH THE POSSIBLE EXCEPTION OF
LINGERING CLOUDS NEAR THE GRAPEVINE WED DUE TO THE MOISTURE BANKING
UP AGAINST THE MOUNTAINS. MAY EVEN SEE SOME LIGHT PRECIP THERE AS
WELL.

WINDS AGAIN WILL BE THE MAIN IMPACT OF THIS WEATHER SYSTEM. LOOKS
LIKE A BORDERLINE ADVISORY/WARNING EVENT FOR THE MOUNTAINS. NAM IS
CLEARLY INDICATING WARNING, ESPECIALLY THROUGH THE INTERSTATE 5
CORRIDOR AND GRAPEVINE AREA. GFS, AS USUAL, IS WEAKER. WILL GO WITH
THE STRONGER MODEL FOR NOW ESPECIALLY GIVEN THE SUBSIDENCE NOTED ON
THE WATER VAPOR IMAGERY ON THE BACK SIDE OF THE TROF. THIS ALSO
LOOKS LIKE A GOOD NORTHERLY WIND EVENT FOR THE SBA AREA AND WILL GO
WITH A STRONG ADVISORY THERE. I EXPECTED THE ANTELOPE VALLEY TO BE A
LITTLE STRONGER THIS AFTERNOON BUT SO FAR WINDS ARE BELOW ADVISORY
LEVELS. WED LOOKS LIKE A GOOD BET FOR ADVISORY LEVEL WINDS THERE BUT
WILL LET LATER SHIFTS DECIDE WHETHER ONE IS NEEDED EARLIER.

WINDS WILL SHIFT TO NORTHEAST ON THU. THIS SHOULD RESULT IN A
SUBSTANTIAL DECREASE IN WINDS IN MOST AREAS, EXCEPT BELOW NORTHEAST
FAVORED CANYONS AND AND PASSES WHICH COULD SEE GUSTS UP TO 40 MPH
THROUGH THE MORNING HOURS. WARMER TEMPS EXPECTED THU WITH THE
OFFSHORE FLOW BUT STILL BELOW NORMAL FOR THIS TIME OF YEAR.

GFS AND NAM IN PRETTY GOOD AGREEMENT ON THE NEXT SYSTEM FOR LATE
THU/FRI. AND THERE HAS BEEN GOOD RUN TO RUN CONSISTENCY AS WELL.
WENT AHEAD AND INCREASED CLOUDS AND POPS MOST AREAS, ESPECIALLY THE
CENTRAL COAST, AND IF MODEL TRENDS CONTINUE AND CONFIDENCE INCREASES
WELL BE INCREASING POPS EVEN MORE. AS OF NOW THE MODELS ARE SHOWING
A LITTLE BIT OF SOUTHERLY LOW LVL FLOW AHEAD OF THE FRONT, SOMETHING
WE HAVENT SEEN VERY MANY TIMES THIS WINTER. IT REMAINS TO BE SEEN
WHETHER THIS CONTINUES ON FUTURE MODEL RUNS, BUT CONFIDENCE TODAY IS
A LITTLE HIGHER THAN YESTERDAY FOR A WET FRIDAY ACROSS OUR AREA.

.LONG TERM (SAT-TUE)...SYSTEM MOVES THROUGH LATE FRI FOR DRYER BUT
COOL AND BREEZY WEATHER ON SAT. GFS AND ECMWF BOTH SHOW ANOTHER
SYSTEM FOR LATER IN THE WEEKEND. THERE IS ENOUGH MOISTURE AND
DYNAMICS TO WARRANT A LOW CHANCE OF RAIN FOR THE AREA SUN ALONG WITH
COOLER TEMPS. HOWEVER, THIS SECOND SYSTEM IS WEAKER THAN THE FIRST.

DRY AND WARMER WEATHER MONDAY AND TUESDAY AS THE AIR MASS REBOUNDS,
HOWEVER MODELS STILL SHOWING ONSHORE FLOW THROUGH THE PERIOD SO MOST
OF THE WARMING WILL BE INLAND.

&&

.AVIATION...

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WARNING (SEE LAXNPWLOX).
WIND ADVISORY (SEE LAXNPWLOX).
GALE WARNING (SEE LAXCWFLOX).
SMALL CRAFT ADVISORY (SEE LAXCWFLOX).

&&

PUBLIC...WOFFORD
AVIATION...SWEET

WWW.WEATHER.GOV/LOSANGELES
Hazardous weather outlook, Apr 17, 6:00 AM PDT, 8 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PDT TUE APR 17 2007

CAZ034>041-044>047-051>054-059-087-088-181300-
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-
LOS ANGELES COUNTY VALLEYS-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-
600 AM PDT TUE APR 17 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

GALE FORCE WINDS WILL CREATE HAZARDS FOR SEAFARERS OVER THE OUTER
WATERS TODAY.

* GALE WARNING...............SEE FZUS56 KLOX - CWFLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY

GALE FORCE WINDS WILL CREATE HAZARDS FOR SEAFARERS OVER THE OUTER
WATERS THROUGH WEDNESDAY. STRONG NORTH WINDS WILL CREATE LOCAL
DRIVING HAZARDS THROUGH AND BELOW  THE PASSES AND CANYONS OF
SOUTHERN SANTA BARBARA COUNTY AS WELL AS THE I-5 CORRIDOR. THERE IS
A CHANCE OF RAIN THURSDAY NIGHT OVER THE CENTRAL COAST AND A CHANCE
EVERYWHERE FRIDAY. THE RAIN COULD CREATE HAZARDOUS DRIVING
CONDITIONS.

* GALE WARNING...............SEE FZUS56 KLOX - CWFLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

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

RORKE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 17, 2:22 PM PDTHigh Wind WarningLOX37 hr

Nearby

Wind Advisories in California, 2007Every wind advisory in 2007

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.