Alert archive / California / Wind Advisories in 2016

Wind Advisory 4, NWS Los Angeles, CA

January 7, 2016Los Angeles County, California

NWS Los Angeles, CA issued this wind advisory at Jan 7, 2016, 2:30 AM PST for Los Angeles County, California. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Jan 7, 2016, 2:30 AM PST (10:30 UTC)
Expired
Jan 8, 2016, 8:42 AM PST
In force
30 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 10:31 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 00:00Z, 10.5 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 00:00Z on 2016-01-07Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 00:00Z on 2016-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939587897117Sfc1 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
505 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

176 
WWUS76 KLOX 071030
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
230 AM PST THU JAN 7 2016

...GUSTY WINDS EXPECTED ACROSS PORTIONS OF SOUTHWEST CALIFORNIA
THROUGH THIS EVENING...

.A TIGHT SURFACE PRESSURE GRADIENT WILL REMAIN IN PLACE THROUGH
THIS EVENING ACROSS PORTIONS OF SOUTHWEST CALIFORNIA.

CAZ059-071830-
/O.NEW.KLOX.WI.Y.0004.160107T1030Z-160108T0500Z/
ANTELOPE VALLEY-
INCLUDING THE CITIES OF...LANCASTER...PALMDALE
230 AM PST THU JAN 7 2016

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

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY FOR THE ANTELOPE VALLEY. THIS ADVISORY IS IN EFFECT
UNTIL 9 PM PST THIS EVENING.

* WINDS AND TIMING...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH
  GUSTS TO 45 MPH WILL BECOMRE MORE WIDESPREAD THIS MORNING AND
  CONTINUE THROUGH THIS EVENING. ISOLATED GUSTS TO 55 MPH ARE
  POSSIBLE IN THE FOOTHILLS.

* IMPACTS...MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE HIGHWAYS
  14 AND 138. IN ADDITION...AREAS OF BLOWING DUST AND SAND COULD
  RESTRICT VISIBILITIES. GUSTY WINDS CAN CAUSE DOWN TREE LIMBS
  AND POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY
CROSS WINDS.

&&

$$

CAZ087-071830-
/O.NEW.KLOX.WI.Y.0004.160107T1030Z-160108T0500Z/
CATALINA AND SANTA BARBARA ISLANDS-
INCLUDING THE CITY OF...AVALON
230 AM PST THU JAN 7 2016

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

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY FOR THE SANTA CATALINA AND SANTA BARBARA ISLANDS.
THIS ADVISORY IS IN EFFECT UNTIL 9 PM PST THIS EVENING.

* WINDS...SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  BECOME MORE WIDESPREAD THIS MORNING AND CONTINUE THROUGH THIS
  EVENING. THE STRONGEST WINDS WILL OCCUR ACROSS THE HIGHER
  TERRAIN OF THE ISLANDS.

* IMPACTS...POWER OUTAGES MAY OCCUR AS GUSTY WINDS CAN DOWN TREE
  LIMBS AND POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN DOWN TREE LIMBS AND POWER LINES.

&&

$$

HALL
4 follow-up statements
773 
WWUS76 KLOX 071836
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1036 AM PST THU JAN 7 2016


CAZ059-080500-
/O.CON.KLOX.WI.Y.0004.000000T0000Z-160108T0500Z/
ANTELOPE VALLEY-
INCLUDING THE CITIES OF...LANCASTER...PALMDALE
1036 AM PST THU JAN 7 2016

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

* WINDS AND TIMING...SOUTHWEST TO WEST WINDS 20 TO 30 MPH WITH
  GUSTS TO 45 THROUGH THIS EVENING. ISOLATED GUSTS TO 55 MPH ARE
  POSSIBLE IN THE FOOTHILLS.

* IMPACTS...MAJOR ROADWAYS THAT COULD BE AFFECTED INCLUDE 
  HIGHWAYS 14 AND 138. IN ADDITION...AREAS OF BLOWING DUST AND 
  SAND COULD RESTRICT VISIBILITIES. GUSTY WINDS CAN CAUSE DOWN 
  TREE LIMBS AND POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY
CROSS WINDS.

&&

$$

CAZ087-080500-
/O.CON.KLOX.WI.Y.0004.000000T0000Z-160108T0500Z/
CATALINA AND SANTA BARBARA ISLANDS-
INCLUDING THE CITY OF...AVALON
1036 AM PST THU JAN 7 2016

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

* WINDS...SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  CONTINUE THROUGH THIS EVENING. THE STRONGEST WINDS WILL OCCUR
  ACROSS THE HIGHER TERRAIN OF THE ISLANDS.

* IMPACTS...POWER OUTAGES MAY OCCUR AS GUSTY WINDS CAN DOWN TREE 
  LIMBS AND POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN DOWN TREE LIMBS AND POWER LINES.

&&

$$

MW
162 
WWUS76 KLOX 080442
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
842 PM PST THU JAN 7 2016

...GUSTY WINDS LINGERING ACROSS THE AREA THROUGH FRIDAY MORNING...

.A TIGHT SURFACE PRESSURE GRADIENT WILL REMAIN ACROSS THE AREA AS
A TROUGH OF LOW PRESSURE SLOWLY EXITS THE REGION.

CAZ059-080545-
/O.EXP.KLOX.WI.Y.0004.000000T0000Z-160108T0500Z/
ANTELOPE VALLEY-
INCLUDING THE CITIES OF...LANCASTER...PALMDALE
842 PM PST THU JAN 7 2016

...WIND ADVISORY WILL EXPIRE AT 9 PM PST THIS EVENING...

WINDS WILL CONTINUE TO DIMINISH ACROSS THE AREA. HOWEVER...LOCAL
GUSTS TO 40 MPH MAY OCCUR ACROSS THE WESTERN PORTION UNTIL LATE
TONIGHT.

$$

CAZ044-081245-
/O.NEW.KLOX.FZ.W.0002.160108T1100Z-160108T1700Z/
VENTURA COUNTY INTERIOR VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU
842 PM PST THU JAN 7 2016

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
FREEZE WARNING FOR THE VENTURA COUNTY INTERIOR VALLEYS. THIS
ADVISORY IS IN EFFECT FROM 3 AM TO 9 AM PST FRIDAY AND IS MAINLY
FOR THE OJAI VALLEY.

* TEMPERATURE...TEMPERATURES WILL DROP TO BETWEEN 28 AND 32
  DEGREES FOR TWO HOURS OR MORE EARLY FRIDAY MORNING.

* IMPACTS...FROST CAN DAMAGE SENSITIVE PLANTS AND HARM PETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS TEMPERATURES 29 AND 32 FOR TWO OR MORE
CONSECUTIVE HOURS ARE IMMINENT. PROTECTIVE MEASURES TO SAVE CROPS
AND SENSITIVE VEGETATION SHOULD BE TAKEN. VULNERABLE ANIMALS AND
PETS SHOULD BE KEPT INDOORS IN A HOUSE OR BARN.

&&

$$

CAZ053-054-081245-
/O.EXB.KLOX.WI.Y.0004.160108T0500Z-160108T1800Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
842 PM PST THU JAN 7 2016

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
WIND ADVISORY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS.
THIS ADVISORY IS IN EFFECT UNTIL 10 AM PST FRIDAY.

* WINDS AND TIMING...AREAS OF NORTHWEST TO NORTH WINDS 20 TO 30
  MPH WITH GUSTS TO 45 MPH THROUGH THIS EVENING. ISOLATED GUSTS TO
  55 MPH ARE POSSIBLE ON FAVORED PEAKS. THE STRONGEST WINDS WILL
  OCCUR THROUGH THE INTERSTATE 5 CORRIDOR.

* IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY
  FOR DRIVERS OF HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY
CROSS WINDS.

&&

$$

CAZ087-081100-
/O.EXT.KLOX.WI.Y.0004.000000T0000Z-160108T1100Z/
CATALINA AND SANTA BARBARA ISLANDS-
INCLUDING THE CITY OF...AVALON
842 PM PST THU JAN 7 2016

...WIND ADVISORY NOW IN EFFECT UNTIL 3 AM PST FRIDAY...

* WINDS...SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  CONTINUE THROUGH EARLY FRIDAY MORNING. THE STRONGEST WINDS WILL
  OCCUR ACROSS THE HIGHER TERRAIN OF THE ISLANDS.

* IMPACTS...POWER OUTAGES MAY OCCUR AS GUSTY WINDS CAN DOWN TREE 
  LIMBS AND POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS CAN DOWN TREE LIMBS AND POWER LINES.

&&

$$

HALL
542 
WWUS76 KLOX 081058
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
258 AM PST FRI JAN 8 2016

CAZ087-081200-
/O.CAN.KLOX.WI.Y.0004.000000T0000Z-160108T1100Z/
CATALINA AND SANTA BARBARA ISLANDS-
INCLUDING THE CITY OF...AVALON
258 AM PST FRI JAN 8 2016

...WIND ADVISORY IS CANCELLED...

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

THE WINDS HAVE DIMINISHED TO BELOW ADVISORY CRITERIA.

$$

CAZ044-081700-
/O.CON.KLOX.FZ.W.0002.160108T1100Z-160108T1700Z/
VENTURA COUNTY INTERIOR VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU
258 AM PST FRI JAN 8 2016

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* TEMPERATURE...TEMPERATURES WILL DROP TO BETWEEN 28 AND 32
  DEGREES FOR TWO HOURS OR MORE EARLY THIS MORNING.

* IMPACTS...FROST CAN DAMAGE SENSITIVE PLANTS AND HARM PETS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS TEMPERATURES 29 AND 32 FOR TWO OR MORE
CONSECUTIVE HOURS ARE IMMINENT. PROTECTIVE MEASURES TO SAVE CROPS
AND SENSITIVE VEGETATION SHOULD BE TAKEN. VULNERABLE ANIMALS AND
PETS SHOULD BE KEPT INDOORS IN A HOUSE OR BARN.

&&

$$

CAZ053-054-081800-
/O.CON.KLOX.WI.Y.0004.000000T0000Z-160108T1800Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
258 AM PST FRI JAN 8 2016

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

* WINDS AND TIMING...AREAS OF NORTHWEST TO NORTH WINDS 20 TO 30
  MPH WITH GUSTS TO 45 MPH WILL CONTINUE THROUGH MID MORNING.
  ISOLATED GUSTS TO 55 MPH ARE POSSIBLE ON FAVORED PEAKS. THE
  STRONGEST WINDS WILL OCCUR THROUGH THE INTERSTATE 5 CORRIDOR.

* IMPACTS...GUSTY WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR DRIVERS OF HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN DRIVING...USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY
CROSS WINDS.

&&

$$

ASR
363 
WWUS76 KLOX 081642
NPWLOX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
842 AM PST FRI JAN 8 2016

CAZ044-081745-
/O.EXP.KLOX.FZ.W.0002.000000T0000Z-160108T1700Z/
VENTURA COUNTY INTERIOR VALLEYS-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU
842 AM PST FRI JAN 8 2016

...FREEZE WARNING WILL EXPIRE AT 9 AM PST THIS MORNING...

TEMPERATURES IN THE OJAI AND SURROUNDING VALLEYS HAVE INCREASED TO
ABOVE 35 DEGREES THIS MORNING AND SUB-FREEZING TEMPERATURES ARE NO
LONGER EXPECTED FOR TODAY. COLD BUT IMPROVED CONDITIONS ARE
EXPECTED TONIGHT INTO SATURDAY MORNING.

$$

CAZ053-054-081745-
/O.CAN.KLOX.WI.Y.0004.000000T0000Z-160108T1800Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING THE CITIES OF...LOCKWOOD VALLEY...MOUNT PINOS...ACTON...
MOUNT WILSON...SANDBERG
842 AM PST FRI JAN 8 2016

...WIND ADVISORY IS CANCELLED...

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

BREEZY NORTHERLY WINDS WILL CONTINUE IN THE MOUNTAINS FOR THE REST
OF THE DAY...BUT WILL REMAIN BELOW ADVISORY THRESHOLDS.

$$

KITTELL

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 12:15 AM PSTSpecial Marine WarningLOX60 min
Jan 7, 12:35 AM PSTAreal Flood AdvisoryLOXLos Angeles3 hr
Jan 7, 12:44 AM PSTSpecial Weather StatementLOXOrange16 min
Jan 7, 1:02 AM PSTAreal Flood AdvisoryLOXVentura118 min
Jan 7, 1:42 AM PSTSpecial Marine WarningLOX33 min
Jan 7, 1:44 AM PSTSpecial Weather StatementLOXLos Angeles31 min
Jan 7, 2:30 AM PSTWinter Weather AdvisoryLOX10 hr
Jan 7, 3:24 AM PSTSpecial Weather StatementLOXLos Angeles36 min

Nearby

Wind Advisories in California, 2016Every wind advisory in 2016

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.