Alert archive / California / High Surf Advisories in 2012

High Surf Advisory 21, NWS Los Angeles, CA

December 18, 2012

NWS Los Angeles, CA issued this high surf advisory at Dec 18, 2012, 7:32 AM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Dec 18, 2012, 7:32 AM PST (15:32 UTC)
Expired
Dec 19, 2012, 1:39 AM PST
In force
18 hr
Issued by
NWS Los Angeles, CA

The text

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

367 
WHUS46 KLOX 181532
CFWLOX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
732 AM PST TUE DEC 18 2012


CAZ034-035-182345-
/O.NEW.KLOX.SU.Y.0021.121218T1532Z-121219T1200Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
732 AM PST TUE DEC 18 2012

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM PST WEDNESDAY.

* LOCATION...EXPOSED WEST AND NORTHWEST SHORES.

* SURF HEIGHT...BREAKERS WILL RANGE FROM 10 TO 14 FEET.

* TIMING...SURF WILL BUILD THROUGH THE AFTERNOON AND GRADUALLY
  SUBSIDE EARLY WEDNESDAY MORNING.

* IMPACTS...VERY STRONG RIP CURRENTS. SOME BEACH EROSION AT TIMES
  OF HIGH TIDE. HIGH TIDE IS EXPECTED AROUND 4 FEET EARLY THIS
  AFTERNOON AND NEAR 5 FEET EARLY WEDNESDAY MORNING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$
4 follow-up statements
392 
WHUS46 KLOX 181842
CFWLOX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1042 AM PST TUE DEC 18 2012

CAZ034-035-190300-
/O.CON.KLOX.SU.Y.0021.000000T0000Z-121219T1200Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
1042 AM PST TUE DEC 18 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY...

* LOCATION...EXPOSED WEST AND NORTHWEST SHORES.

* SURF HEIGHT...BREAKERS WILL RANGE FROM 10 TO 14 FEET.

* TIMING...SURF WILL BUILD THROUGH THE AFTERNOON AND GRADUALLY 
  SUBSIDE EARLY WEDNESDAY MORNING.

* IMPACTS...VERY STRONG RIP CURRENTS. SOME BEACH EROSION AT 
  TIMES OF HIGH TIDE. HIGH TIDE IS EXPECTED AROUND 4 FEET EARLY 
  THIS AFTERNOON AND NEAR 5 FEET EARLY WEDNESDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

CAZ039>041-190300-
/O.NEW.KLOX.CF.S.0010.121218T1842Z-121219T1200Z/
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
1042 AM PST TUE DEC 18 2012

...POTENTIALLY HAZARDOUS SURF AND VERY STRONG RIP CURRENTS ARE
EXPECTED THIS AFTERNOON THROUGH WEDNESDAY MORNING...

* SURF ZONE...POTENTIALLY DANGEROUS OCEAN CONDITIONS WILL DEVELOP
  AS GALE FORCE WINDS NEAR SHORE GENERATE HAZARDOUS SURF AND
  STRONG RIP CURRENTS ALONG EXPOSED WEST FACING SHORES THIS
  AFTERNOON THROUGH WEDNESDAY MORNING.

* TIDES...THE TIDE WILL RANGE FROM AROUND 4 FEET EARLY THIS
  AFTERNOON TO AROUND ZERO FEET THIS EVENING AND TO NEAR 5 FEET
  EARLY WEDNESDAY MORNING.


$$
177 
WHUS46 KLOX 190300
CFWLOX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
700 PM PST TUE DEC 18 2012

.GALE FORCE WINDS AND MODERATE NORTHWEST SWELL ACROSS THE COASTAL
WATERS WILL COMBINE TO CREATE HIGH SURF AT AREA BEACHES THROUGH
EARLY WEDNESDAY MORNING.

CAZ034-035-191100-
/O.CON.KLOX.SU.Y.0021.000000T0000Z-121219T1200Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
700 PM PST TUE DEC 18 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
WEDNESDAY...

* LOCATION...EXPOSED WEST AND NORTHWEST SHORES.

* SURF HEIGHT...BREAKERS WILL RANGE FROM 10 TO 14 FEET.

* TIMING...SURF WILL BUILD THROUGH THE AFTERNOON AND GRADUALLY 
  SUBSIDE EARLY WEDNESDAY MORNING.

* IMPACTS...VERY STRONG RIP CURRENTS. SOME BEACH EROSION AT TIMES
  OF HIGH TIDE. HIGH TIDE IS EXPECTED NEAR 5 FEET EARLY WEDNESDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

CAZ039>041-191100-
/O.CON.KLOX.CF.S.0010.000000T0000Z-121219T1200Z/
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
700 PM PST TUE DEC 18 2012

...POTENTIALLY HAZARDOUS SURF AND VERY STRONG RIP CURRENTS ARE
EXPECTED THROUGH WEDNESDAY MORNING...

* SURF ZONE...POTENTIALLY DANGEROUS OCEAN CONDITIONS WILL DEVELOP
  AS GALE FORCE WINDS NEAR SHORE GENERATE HAZARDOUS SURF AND
  STRONG RIP CURRENTS ALONG EXPOSED WEST FACING SHORES THROUGH
  WEDNESDAY MORNING.

* TIDES...THE TIDE WILL RANGE FROM AROUND ZERO FEET THIS EVENING
  AND TO NEAR 5 FEET EARLY WEDNESDAY MORNING.

$$

HALL
112 
WHUS46 KLOX 190459
CFWLOX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
859 PM PST TUE DEC 18 2012

.GALE FORCE WINDS AND MODERATE NORTHWEST SWELL ACROSS THE COASTAL
WATERS WILL COMBINE TO CREATE HIGH SURF AT AREA BEACHES THROUGH
EARLY WEDNESDAY MORNING.

CAZ034-035-191000-
/O.EXT.KLOX.SU.Y.0021.000000T0000Z-121219T1600Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
859 PM PST TUE DEC 18 2012

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 AM PST WEDNESDAY...

* LOCATION...EXPOSED WEST AND NORTHWEST SHORES.

* SURF HEIGHT...BREAKERS WILL RANGE FROM 10 TO 14 FEET.

* TIMING...HIGH SURF WILL GRADUALLY SUBSIDE EARLY WEDNESDAY
  MORNING.

* IMPACTS...VERY STRONG RIP CURRENTS. SOME BEACH EROSION AT 
  TIMES OF HIGH TIDE. HIGH TIDE IS EXPECTED NEAR 5 FEET EARLY 
  WEDNESDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

CAZ039>041-191000-
/O.EXT.KLOX.CF.S.0010.000000T0000Z-121219T1600Z/
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
859 PM PST TUE DEC 18 2012

...POTENTIALLY HAZARDOUS SURF AND VERY STRONG RIP CURRENTS ARE
EXPECTED THROUGH WEDNESDAY MORNING...

* SURF ZONE...POTENTIALLY DANGEROUS OCEAN CONDITIONS WILL DEVELOP
  AS GALE FORCE WINDS NEAR SHORE GENERATE HAZARDOUS SURF AND
  STRONG RIP CURRENTS ALONG EXPOSED WEST FACING SHORES THIS
  AFTERNOON THROUGH WEDNESDAY MORNING.

* TIDES...THE TIDE WILL RANGE FROM ZERO FEET THIS EVENING AND TO
  NEAR 5 FEET EARLY WEDNESDAY MORNING.

$$

HALL
071 
WHUS46 KLOX 190939
CFWLOX

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
139 AM PST WED DEC 19 2012

...HIGH SURF ADVISORIES HAVE BEEN CANCELLED...

.THE LATEST BUOY OBSERVATIONS INDICATE THAT THE STRONG NORTHWEST
WINDS CONTINUE TO DIMINISH ACROSS THE COASTAL WATERS. WITH THE
WINDS SUBSIDING...THE POTENTIAL FOR HAZARDOUS SURF AND STRONG RIP
CURRENTS IS DIMINISHING. 

CAZ034-035-191045-
/O.CAN.KLOX.SU.Y.0021.000000T0000Z-121219T1600Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
139 AM PST WED DEC 19 2012

...HIGH SURF ADVISORY IS CANCELLED...

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

WITH THE DIMINISHING NORTHWEST WINDS...THE POTENTIAL FOR HIGH SURF
CONDITIONS HAS ALSO DIMINISHED. THEREFORE...THE HIGH SURF ADVISORY
HAS BEEN CANCELLED. 

$$

CAZ039>041-191045-
/O.CAN.KLOX.CF.S.0010.000000T0000Z-121219T1600Z/
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
139 AM PST WED DEC 19 2012

...HAZARDOUS SURF AND STRONG RIP CURRENTS ARE NO LONGER EXPECTED...


$$

RAT

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 8:47 PM PSTHigh Wind WarningLOX31 hr
Dec 18, 10:42 AM PSTCoastal Flood StatementLOX15 hr

Nearby

High Surf Advisories in California, 2012Every high surf advisory 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.