Alert archive / California / Beach Hazards Statements in 2017

Beach Hazards Statement 4, NWS San Diego, CA

January 23, 2017Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Jan 23, 2017, 8:55 AM PST for Orange County, San Diego County, California. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jan 23, 2017, 8:55 AM PST (16:55 UTC)
Expired
Jan 23, 2017, 7:00 PM PST
In force
10 hr
Issued by
NWS San Diego, CA

Counties Orange County, CA, San Diego County, CA

The radar

The San Diego radar (KNKX), 53 km from the middle of the area, began a volume at 16:55 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, 4.9 hours before the alert went out and 62 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 2017-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2017-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939587897117136156Sfc1 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
131 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
103 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

954 
WHUS46 KSGX 231655
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
855 AM PST MON JAN 23 2017

...HIGH SURF WARNING THROUGH TUESDAY EVENING...

...LIGHTING AT THE BEACHES POSSIBLE TODAY...

.LARGE AND POTENTIALLY DAMAGING SURF WILL CONTINUE AT THE BEACHES
THROUGH TUESDAY EVENING. MINOR COASTAL FLOODING AND BEACH EROSION
ARE POSSIBLE DURING THIS TIME. POWERFUL RIP CURRENTS WILL CREATE
DANGEROUS SWIMMING CONDITIONS. THE SWELL AND SURF WILL DIMINISH
TUESDAY NIGHT.

ALSO...ATMOSPHERIC INSTABILITY WILL INCREASE THE CHANCES FOR
THUNDERSTORMS TODAY AT THE BEACHES...RESULTING IN A LIGHTNING
THREAT TO BEACH GOERS. 

CAZ043-552-240100-
/O.NEW.KSGX.BH.S.0004.170123T1655Z-170124T0300Z/
/O.CON.KSGX.SU.W.0001.000000T0000Z-170125T0600Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
855 AM PST MON JAN 23 2017

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 7 PM PST THIS
EVENING...
...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR POTENTIAL LIGHTNING AT THE BEACHES...WHICH
IS IN EFFECT UNTIL 7 PM PST THIS EVENING.

* SURF...6 TO 10 FEET WITH SETS TO 13 FT THROUGH TUESDAY. 
  HIGHEST SURF SOUTH OF CARLSBAD. 

* CHANGES SINCE LAST ISSUANCE...BEACH HAZARDS STATEMENT ISSUED FOR
  POTENTIAL LIGHTNING AT THE BEACHES. 

* TIMING FOR LIGHTNING...THUNDERSTORMS WILL BE POSSIBLE AT THE
  BEACHES THIS MORNING THROUGH AT LEAST EARLY EVENING.
  THUNDERSTORMS IN THIS WEATHER PATTERN CAN DEVELOP AT A MOMENTS
  NOTICE.

* TIDES...5.4 FT AT 634 AM TUESDAY.

* IMPACTS...DEADLY CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING.
  MINOR COASTAL FLOODING AND BEACH EROSION. DAMAGE POSSIBLE TO
  COASTAL STRUCTURES SUCH AS PIERS. STRONG RIP CURRENTS AND
  DANGEROUS SWIMMING CONDITIONS. LARGE WAVES CAN EASILY WASH
  PEOPLE OFF JETTIES AND ROCKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVES
WILL AFFECT THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND DEADLY RIP CURRENTS.

A BEACH HAZARDS STATEMENT FOR BEACH LIGHTNING MEANS THAT THERE IS
THE POTENTIAL FOR CLOUD TO GROUND OR CLOUD TO WATER LIGHTNING
STRIKES WHICH COULD RESULT IN INJURY OR DEATH. MOVE INDOORS UNTIL
THE STORM PASSES AND STAY AWAY FROM METAL OBJECTS.

&&

$$

HARRISON

HTTP://WWW.WEATHER.GOV/SANDIEGO
2 follow-up statements
882 
WHUS46 KSGX 232123
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
123 PM PST MON JAN 23 2017

...HIGH SURF ADVISORY THROUGH WEDNESDAY MORNING...

...LIGHTING AT THE BEACHES POSSIBLE TODAY...

.HIGH SURF WILL CONTINUE AT THE BEACHES THROUGH WEDNESDAY MORNING.
POWERFUL RIP CURRENTS AND HIGH SURF WILL CREATE DANGEROUS
SWIMMING CONDITIONS. THE SWELL AND SURF WILL DIMINISH DURING THE
DAY WEDNESDAY.

ALSO...ATMOSPHERIC INSTABILITY WILL INCREASE THE CHANCES FOR
THUNDERSTORMS TODAY AT THE BEACHES...RESULTING IN A LIGHTNING
THREAT TO BEACH GOERS.

CAZ043-552-240600-
/O.CAN.KSGX.SU.W.0001.000000T0000Z-170125T0600Z/
/O.NEW.KSGX.SU.Y.0001.170123T2123Z-170125T1700Z/
/O.CON.KSGX.BH.S.0004.000000T0000Z-170124T0300Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
123 PM PST MON JAN 23 2017

...HIGH SURF ADVISORY IN EFFECT UNTIL 9 AM PST WEDNESDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 PM PST THIS
EVENING...
...HIGH SURF WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST WEDNESDAY. THE HIGH
SURF WARNING HAS BEEN CANCELLED. 

* CHANGES SINCE LAST ISSUANCE...HIGH SURF WARNING DOWNGRADED TO A
  HIGH SURF ADVISORY. SURF HEIGHTS HAVE LOWERED AND THE SWELL AND
  SURF WILL REMAIN STEADY AT HEIGHTS BELOW WARNING LEVELS THROUGH
  TUESDAY.

* SURF...6 TO 9 FEET WITH SETS TO 10 FT THROUGH TUESDAY...LOWERING
  TO 5 TO 7 FEET WEDNESDAY MORNING...THEN BELOW 7 FEET BY
  WEDNESDAY AFTERNOON. HIGHEST SURF SOUTH OF CARLSBAD.

* TIMING FOR LIGHTNING...THUNDERSTORMS WILL BE POSSIBLE AT THE
  BEACHES THIS MORNING THROUGH AT LEAST EARLY EVENING.
  THUNDERSTORMS IN THIS WEATHER PATTERN CAN DEVELOP AT A MOMENTS
  NOTICE. 

* TIDES...5.4 FT AT 634 AM TUESDAY.

* IMPACTS...DEADLY CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING.
  STRONG RIP CURRENTS AND DANGEROUS SWIMMING CONDITIONS. LARGE
  WAVES CAN WASH PEOPLE OFF JETTIES AND ROCKS.

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.

A BEACH HAZARDS STATEMENT FOR BEACH LIGHTNING MEANS THAT THERE IS
THE POTENTIAL FOR CLOUD TO GROUND OR CLOUD TO WATER LIGHTNING
STRIKES WHICH COULD RESULT IN INJURY OR DEATH. MOVE INDOORS UNTIL
THE STORM PASSES AND STAY AWAY FROM METAL OBJECTS.

&&

$$

HARRISON

HTTP://WWW.WEATHER.GOV/SANDIEGO
658 
WHUS46 KSGX 240308
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
708 PM PST MON JAN 23 2017

...HIGH SURF ADVISORY THROUGH WEDNESDAY MORNING...

.HIGH SURF WILL CONTINUE AT THE BEACHES THROUGH WEDNESDAY
MORNING. POWERFUL RIP CURRENTS AND HIGH SURF WILL CREATE
DANGEROUS SWIMMING CONDITIONS. THE SWELL AND SURF WILL DIMINISH
DURING THE DAY WEDNESDAY.

CAZ043-552-241300-
/O.EXP.KSGX.BH.S.0004.000000T0000Z-170124T0300Z/
/O.CON.KSGX.SU.Y.0001.000000T0000Z-170125T1700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
708 PM PST MON JAN 23 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
WEDNESDAY...

* SURF...6 TO 9 FEET WITH SETS TO 10 FT THROUGH TUESDAY...
  LOWERING TO 5 TO 7 FEET WEDNESDAY MORNING...THEN BELOW 7 FEET BY
  WEDNESDAY AFTERNOON. HIGHEST SURF SOUTH OF CARLSBAD. 

* TIDES...5.4 FT AT 634 AM TUESDAY.

* IMPACTS...STRONG RIP CURRENTS AND DANGEROUS SWIMMING
  CONDITIONS. LARGE WAVES CAN WASH PEOPLE OFF JETTIES AND ROCKS.

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.

&&

$$

MOEDE

HTTP://WWW.WEATHER.GOV/SANDIEGO

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 22, 4:14 PM PSTFlash Flood WarningSGXSan Diego3 hr
Jan 22, 5:19 PM PSTAreal Flood AdvisorySGXSan Diego3 hr
Jan 22, 5:35 PM PSTAreal Flood WarningSGXOrange, Riverside, San Bernardino3 hr
Jan 22, 5:41 PM PSTAreal Flood AdvisorySGXRiverside48 hr
Jan 22, 7:06 PM PSTAreal Flood WarningSGXSan Diego3 hr
Jan 22, 8:19 PM PSTRiver Flood WarningSGXSan Diego24 hr
Jan 22, 8:35 PM PSTAreal Flood WarningSGXOrange, Riverside, San Bernardino5 hr
Jan 23, 1:06 PM PSTAreal Flood AdvisorySGXSan Diego3 hr
Jan 23, 1:23 PM PSTHigh Surf AdvisorySGXOrange, San Diego44 hr

Nearby

Beach Hazards Statements in California, 2017Every beach hazards statement in 2017

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.