Alert archive / California / Beach Hazards Statements in 2015

Beach Hazards Statement 2, NWS Los Angeles, CA

January 23, 2015Los Angeles County, California

NWS Los Angeles, CA issued this beach hazards statement at Jan 23, 2015, 2:32 AM PST for Los Angeles County, California. It took effect at Jan 23, 2015, 4:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 23, 2015, 2:32 AM PST (10:32 UTC)
In effect from
Jan 23, 2015, 4:00 PM PST
Expired
Jan 23, 2015, 2:09 PM PST
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 10:35 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

Edwards AFB, CA (KEDW), launched 00:00Z, 10.5 hours before the alert went out and 89 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, Edwards AFB, CA at 00:00Z on 2015-01-23Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Edwards AFB, CA at 00:00Z on 2015-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.1939Sfc1 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
3373 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
25 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.

879 
WHUS46 KLOX 231032
CFWLOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
232 AM PST FRI JAN 23 2015

...A HIGH SURF ADVISORY IS IN EFFECT FROM 4 PM FRIDAY TO 4 PM
SATURDAY FOR THE CENTRAL COAST...

...BEACH HAZARD STATEMENT IN EFFECT FOR VENTURA AND LOS ANGELES
COUNTIES...

.A LARGE WESTERLY SWELL WILL CAUSE A BRIEF PERIOD OF HIGH SURF
FOR THE CENTRAL COAST STARTING THIS AFTERNOON AND CONTINUING INTO
SATURDAY AFTERNOON. THE SWELL WILL GENERATE HIGH SURF OF 10 TO 12
FEET ON WEST FACING BEACHES. THERE WILL ALSO BE A HIGH RISK OF
DANGEROUS RIP CURRENTS AT AFFECTED BEACHES.

FOR THE BEACHES OF VENTURA AND LOS ANGELES COUNTIES...THE WESTERLY
SWELL WILL GENERATE ELEVATED SURF CONDITIONS...WITH LOCAL SETS TO
7 FEET ON WEST-FACING BEACHES...AS WELL AS DANGEROUS RIP CURRENTS. 

CAZ034-035-240000-
/O.CON.KLOX.SU.Y.0002.150124T0000Z-150125T0000Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
232 AM PST FRI JAN 23 2015

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 4 PM PST SATURDAY...

* SURF...10 TO 12 FEET. 

* TIMING...400 PM TODAY THROUGH 400 PM SATURDAY.

* IMPACTS...POWERFUL BREAKING WAVES AND RIP CURRENTS WILL CREATE 
  DANGEROUS SURF ZONE CONDITIONS. SNEAKER WAVES CAN SUDDENLY 
  WASH PEOPLE OFF OF BEACHES AND ROCK JETTIES. 

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.

REMEMBER...IF CAUGHT IN A RIP CURRENT...SWIM PARALLEL TO SHORE
UNTIL YOU ARE FREE OF THE POWERFUL CURRENT. ALWAYS SWIM NEAR A
LIFEGUARD.

&&

$$

CAZ040-041-087-240000-
/O.NEW.KLOX.BH.S.0002.150124T0000Z-150125T0000Z/
VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
CATALINA ISLAND-
232 AM PST FRI JAN 23 2015

...BEACH HAZARDS STATEMENT IN EFFECT FROM THIS AFTERNOON THROUGH
SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
BEACH HAZARDS STATEMENT FOR RIP CURRENTS AND ELEVATED SURF WHICH
IS IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY AFTERNOON.

* HAZARDS...DANGEROUS RIP CURRENTS AND ELEVATED SURF OF 3 TO 5
  FEET WITH LOCAL SETS TO 7 FEET. THE HIGHEST SURF WILL OCCUR ON
  WEST-FACING BEACHES. 

* TIMING...400 PM TODAY THROUGH 400 PM SUNDAY. 

* IMPACTS...THERE IS AN INCREASED RISK FOR OCEAN DROWNING. RIP
  CURRENTS CAN PULL EVEN EXPERIENCED SWIMMERS AND SURFERS OUT TO
  SEA. SNEAKER WAVES CAN SUDDENLY WASH PEOPLE OFF OF BEACHES AND
  ROCK JETTIES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS TO BEACH AND
SURF ZONE SAFETY ARE EXPECTED OR OCCURRING. CAUTION SHOULD BE
USED WHEN IN OR NEAR THE WATER. STAY NEAR OCCUPIED LIFEGUARD
TOWERS AND NEVER SWIM ALONE. IF CAUGHT IN A RIP CURRENT...SWIM
PARALLEL TO THE SHORE.

&&

$$

RAT
1 follow-up statement
378 
WHUS46 KLOX 232209
CFWLOX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
209 PM PST FRI JAN 23 2015

...A HIGH SURF ADVISORY IS IN EFFECT THROUGH SATURDAY AFTERNOON...

.A BUILDING SWELL WILL CREATE HIGH SURF ALONG EXPOSED WEST AND
NORTHWEST FACING SHORES THROUGH SATURDAY AFTERNOON. SURF WILL
CONTINUE TO BUILD THROUGH SATURDAY MORNING AND PEAK MIDDAY
SATURDAY. THERE WILL BE A HIGH RISK OF DANGEROUS RIP CURRENTS AT
AFFECTED BEACHES.

CAZ040-041-087-240615-
/O.CAN.KLOX.BH.S.0002.150124T0000Z-150125T0000Z/
/O.EXA.KLOX.SU.Y.0002.150124T0000Z-150125T0000Z/
VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
CATALINA ISLAND-
209 PM PST FRI JAN 23 2015

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM PST SATURDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A
HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM PST SATURDAY.
THE BEACH HAZARDS STATEMENT HAS BEEN CANCELLED. 

* SURF...5 TO 7 FEET WITH OCCASIONAL BREAKERS UP TO 8 FEET ALONG
  EXPOSED WEST AND NORTHWEST FACING SHORES. THE SURF WILL PEAK
  SATURDAY MORNING. RELATIVELY LONG LULLS CAN OCCUR BETWEEN THE
  LARGEST BEAKERS.

* LOCATION...SURF HEIGHTS WILL VARY AT DIFFERENT BEACHES AS WELL
  AS AT THE SAME BEACH AND THE LARGEST SURF IS EXPECTED IN THE
  VICINITY OF VENTURA HARBOR IN VENTURA COUNTY...AND IN THE SOUTH
  SANTA MONICA BAY IN LOS ANGELES COUNTY.

* IMPACTS...STRONG RIP CURRENTS WILL CREATE DANGEROUS SWIMMING
  CONDITIONS. LARGER WAVES WILL WASH OVER JETTIES AND OVER
  PREVIOUSLY DRY SHORES WITHOUT WARNING.

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.

REMEMBER...IF CAUGHT IN A RIP CURRENT...SWIM PARALLEL TO SHORE
UNTIL YOU ARE FREE OF THE POWERFUL CURRENT. ALWAYS SWIM NEAR A
LIFEGUARD.

&&

$$

CAZ034-035-240615-
/O.CON.KLOX.SU.Y.0002.150124T0000Z-150125T0000Z/
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-
209 PM PST FRI JAN 23 2015

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY...

* SURF...10 TO 12 FEET.

* LOCATION...SURF HEIGHTS WILL VARY AT DIFFERENT BEACHES AS WELL
  AS AT THE SAME BEACH AND THE LARGEST SURF IS EXPECTED ALONG THE
  EXPOSED WEST AND NORTHWEST FACING SHORES.

* IMPACTS...STRONG RIP CURRENTS WILL CREATE DANGEROUS SWIMMING
  CONDITIONS. LARGER WAVES WILL WASH OVER JETTIES AND OVER
  PREVIOUSLY DRY SHORES WITHOUT WARNING.

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.

REMEMBER...IF CAUGHT IN A RIP CURRENT...SWIM PARALLEL TO SHORE
UNTIL YOU ARE FREE OF THE POWERFUL CURRENT. ALWAYS SWIM NEAR A
LIFEGUARD.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 4:51 AM PSTHigh Wind WatchLOXLos Angeles10 hr
Jan 23, 4:51 AM PSTHigh Wind WarningLOXLos Angeles41 hr
Jan 23, 4:51 AM PSTWind AdvisoryLOXLos Angeles58 hr
Jan 23, 8:46 AM PSTSmall Craft Advisory for Hazardous SeasLOX42 hr
Jan 23, 2:27 PM PSTSmall Craft AdvisoryLOX43 hr

Nearby

Beach Hazards Statements in California, 2015Every beach hazards statement in 2015

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.