Alert archive / California / Beach Hazards Statements in 2016

Beach Hazards Statement 1, NWS San Diego, CA

January 6, 2016Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Jan 6, 2016, 10:36 AM PST for Orange County, San Diego County, California. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jan 6, 2016, 10:36 AM PST (18:36 UTC)
Expired
Jan 7, 2016, 1:53 AM PST
In force
15 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 18:38 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, 6.6 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 2016-01-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLLFCEL10008507005003002001001 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 2016-01-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 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
17 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

325 
WHUS46 KSGX 061836
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1036 AM PST WED JAN 6 2016

...HIGH SURF AND LIGHTNING TODAY...VERY LARGE AND POTENTIALLY
DAMAGING SURF ON THURSDAY...

.A LARGE WEST NORTHWEST WILL CONTINUE TO BRING VERY LARGE SURF TO
LOCAL BEACHES THROUGH FRIDAY...WITH THE HIGHEST SURF ARRIVING ON
THRUSDAY. LOCAL SETS WILL BE 14 TO 16 FT ALONG WEST FACING BEACHES ON
THURSDAY. SURF WILL LOWER THROUGH THE DAY ON FRIDAY. THIS KIND OF
SURF IS CAPABLE OF DAMAGING COASTAL STRUCTURES AS WELL AS PRODUCING
COASTAL FLOODING AND BEACH EROSION. LIGHTNING WILL ALSO BE
POSSIBLE AT ALONG LOCAL BEACHES THROUGH THURSDAY MORNING.

CAZ043-552-070415-
/O.UPG.KSGX.SU.Y.0001.000000T0000Z-160109T0600Z/
/O.NEW.KSGX.SU.W.0001.160106T1836Z-160109T0600Z/
/O.NEW.KSGX.BH.S.0001.160106T1836Z-160107T1500Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
1036 AM PST WED JAN 6 2016

...HIGH SURF WARNING IN EFFECT UNTIL 10 PM PST FRIDAY...
...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS UPGRADED THE HIGH
SURF ADVISORY TO A HIGH SURF WARNING...WHICH IS NOW IN EFFECT
UNTIL 10 PM PST FRIDAY. A BEACH HAZARDS STATEMENT HAS ALSO BEEN
ISSUED FOR POTENTIAL LIGHTNING...AND IS IS IN EFFECT THROUGH
THURSDAY MORNING.

* CHANGES SINCE LAST ISSUANCE...THE HIGH SURF ADVISORY HAS BEEN
  UPGRADED TO A HIGH SURF WARNING.

* WAVES AND SURF...5 TO 9 FEET WITH LOCAL SETS TO 12 FEET TODAY. 7
  TO 12 FEET WITH LOCAL SETS TO 14 TO 16 FEET THURSDAY. HIGHEST
  SETS WILL OCCUR NORTH OF NEWPORT BEACH AND FROM OCEANSIDE
  SOUTHWARD. SURF WILL SLOWLY DIMINISH THROUGH THE DAY ON FRIDAY.

* LIGHTNING POTENTIAL...HIGHEST RISK IS FOR THIS AFTERNOON AND
  EVENING...WITH A LOWER POTENTIAL DURING THE OVERNIGHT HOURS.

* TIMING...BUILDING SURF TODAY WITH THE HIGHEST SETS ARRIVING
  THURSDAY. THE SURF WILL SLOWLY LOWER DURING THE DAY ON FRIDAY.
  LIGHTNING IS POSSIBLE ANYTIME THROUGH THURSDAY MORNING...BUT IS
  MOST LIKELY THIS AFTERNOON.

* TIDES...HIGH 6.7 FT AT 6:55 AM THURSDAY
          LOW  0.2 FT AT 2:00 PM THURSDAY
          HIGH 4.2 FT AT 6:55 AM THURSDAY
          LOW  2.5 FT AT 2:00 PM THURSDAY

* IMPACTS...DANGEROUS LIGHTNING...BEACH EROSION...VERY STRONG RIP
  CURRENTS...COASTAL FLOODING DURING HIGH TIDE...AND DAMAGE TO
  COASTAL STRUCTURES ARE ALL POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS STRONG
RIP CURRENTS...ELEVATED SURF HEIGHTS...MINOR TIDAL OVERFLOW...OR
LIGHTNING ARE POSSIBLE AT LOCAL BEACHES. OBEY POSTED WARNING
SIGNS AND FLAGS AND TALK TO A LIFEGUARD BEFORE SWIMMING. USE
CAUTION WHEN IN OR NEAR THE WATER AND ALWAYS SWIM NEAR A
LIFEGUARD.

&&

$$

ALBRIGHT

HTTP://WWW.WEATHER.GOV/SANDIEGO
2 follow-up statements
514 
WHUS46 KSGX 070400
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
800 PM PST WED JAN 6 2016

...HIGH SURF AND LIGHTNING TODAY...VERY LARGE AND POTENTIALLY
DAMAGING SURF ON THURSDAY...

.A LARGE WEST NORTHWEST WILL CONTINUE TO CREATE VERY LARGE SURF
AT LOCAL BEACHES THROUGH FRIDAY...WITH THE HIGHEST SURF EXPECTED
ON THURSDAY. LOCAL SURF TO 16 FT IS POSSIBLE ALONG WEST FACING
BEACHES ON THURSDAY. SURF WILL LOWER THROUGH THE DAY ON FRIDAY.
THIS KIND OF SURF IS CAPABLE OF DAMAGING COASTAL STRUCTURES AS
WELL AS PRODUCING COASTAL FLOODING AND BEACH EROSION. LIGHTNING
WILL ALSO BE POSSIBLE AT ALONG LOCAL BEACHES THROUGH THURSDAY
MORNING.

CAZ043-552-071400-
/O.CON.KSGX.SU.W.0001.000000T0000Z-160109T0600Z/
/O.CON.KSGX.BH.S.0001.000000T0000Z-160107T1500Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
800 PM PST WED JAN 6 2016

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 7 AM PST
THURSDAY...

* SURF...5 TO 9 FEET WITH LOCAL SETS TO 12 FEET TODAY. 7 TO 12
  FEET WITH LOCAL SETS OF 14 TO 16 FEET THURSDAY. HIGHEST SETS
  WILL OCCUR NORTH OF NEWPORT BEACH AND AT OCEANSIDE SOUTHWARD.
  SURF WILL SLOWLY DIMINISH THROUGH THE DAY ON FRIDAY.

* LIGHTNING POTENTIAL...HIGHEST RISK THIS EVENING...WITH A LOWER
  POTENTIAL DURING THE OVERNIGHT HOURS.

* TIMING...BUILDING SURF TODAY WITH THE HIGHEST SETS ARRIVING
  THURSDAY. THE SURF WILL SLOWLY LOWER DURING THE DAY ON FRIDAY.
  LIGHTNING IS POSSIBLE ANYTIME THROUGH THURSDAY MORNING.

* TIDES...HIGH 6.7 FT AT 6:55 AM THURSDAY 
          LOW 0.2 FT AT 2:00 PM THURSDAY

* IMPACTS...DANGEROUS LIGHTNING...BEACH EROSION...VERY STRONG 
  RIP CURRENTS...COASTAL FLOODING DURING HIGH TIDE...AND DAMAGE 
  TO COASTAL STRUCTURES ARE ALL POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A BEACH HAZARDS STATEMENT IS ISSUED WHEN THREATS SUCH AS STRONG
RIP CURRENTS...ELEVATED SURF HEIGHTS...MINOR TIDAL OVERFLOW...OR
LIGHTNING ARE POSSIBLE AT LOCAL BEACHES. OBEY POSTED WARNING
SIGNS AND FLAGS AND TALK TO A LIFEGUARD BEFORE SWIMMING. USE
CAUTION WHEN IN OR NEAR THE WATER AND ALWAYS SWIM NEAR A
LIFEGUARD.

&&

$$

JJT

HTTP://WWW.WEATHER.GOV/SANDIEGO
310 
WHUS46 KSGX 070953
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
153 AM PST THU JAN 7 2016

...HIGH AND POTENTIALLY DAMAGING SURF TODAY...

.A LARGE WEST NORTHWEST SWELL WILL PEAK TODAY. OCCASIONAL SURF
SETS OF 10 TO 14 FEET ARE EXPECTED. THE SWELL AND SURF WILL
SUBSIDE TONIGHT THROUGH FRIDAY. THIS KIND OF SURF IS CAPABLE OF
DAMAGING COASTAL STRUCTURES AS WELL AS PRODUCING COASTAL FLOODING
AND BEACH EROSION. 

CAZ043-552-071100-
/O.CAN.KSGX.BH.S.0001.000000T0000Z-160107T1500Z/
/O.CON.KSGX.SU.W.0001.000000T0000Z-160109T0600Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
153 AM PST THU JAN 7 2016

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST FRIDAY...
...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE BEACH
HAZARDS STATEMENT. 

* SURF...6 TO 10 FEET WITH LOCAL SETS TO 14 FEET TODAY. 5 TO 9 
  FEET WITH LOCAL SETS TO 12 FEET FRIDAY MORNING...SUBSIDING TO
  4 TO 7 FEET LATE FRIDAY.

* TIMING...PEAKING TODAY...SUBSIDING TONIGHT AND FRIDAY.  

* TIDES...HIGHEST TIDES TODAY AND FRIDAY: 6.7 FT AT 655 AM TODAY.
  7.0 FT AT 730 AM FRIDAY. 

* IMPACTS...BEACH EROSION...VERY STRONG RIP CURRENTS...COASTAL 
  FLOODING DURING HIGH TIDE...AND DAMAGE TO COASTAL STRUCTURES 
  ARE ALL POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF WARNING INDICATES THAT DANGEROUS...BATTERING WAVES
WILL POUND THE SHORELINE. THIS WILL RESULT IN VERY DANGEROUS
SWIMMING CONDITIONS...AND POSSIBLE DAMAGE TO COASTAL STRUCTURES.

&&

$$

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 5, 4:11 PM PSTFlash Flood WarningSGXSan Diego3 hr
Jan 5, 6:46 PM PSTAreal Flood AdvisorySGXRiverside, San Diego4 hr
Jan 5, 8:28 PM PSTRiver Flood WarningSGXSan Diego9 hr
Jan 6, 4:05 AM PSTWind AdvisorySGXOrange, San Diego14 hr
Jan 6, 4:28 AM PSTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego32 hr
Jan 6, 10:36 AM PSTHigh Surf WarningSGXOrange, San Diego59 hr
Jan 6, 12:00 PM PSTRiver Flood WarningSGXSan Diego29 hr
Jan 6, 12:10 PM PSTFlash Flood WarningSGXOrange5 hr
Jan 6, 12:35 PM PSTSpecial Marine WarningSGX55 min
Jan 6, 12:40 PM PSTAreal Flood WarningSGXOrange, Riverside, San Bernardino6 hr
Jan 6, 12:45 PM PSTSpecial Marine WarningSGX45 min
Jan 6, 12:46 PM PSTSevere Thunderstorm WarningSGXOrange, Riverside, San Bernardino44 min
Jan 6, 1:04 PM PSTSevere Thunderstorm WarningSGXOrange, Riverside, San Diego56 min
Jan 6, 1:23 PM PSTSpecial Marine WarningSGX37 min
Jan 6, 1:30 PM PSTSpecial Marine WarningSGX45 min
Jan 6, 1:34 PM PSTFlash Flood WarningSGXOrange, Riverside, San Bernardino, San Diego3 hr
Jan 6, 1:50 PM PSTSpecial Marine WarningSGX40 min
Jan 6, 2:09 PM PSTSpecial Marine WarningSGX96 min
Jan 6, 2:23 PM PSTSevere Thunderstorm WarningSGXSan Diego52 min
Jan 6, 2:45 PM PSTSpecial Marine WarningSGX60 min
Jan 6, 2:54 PM PSTTornado WarningSGXSan Diego20 min
Jan 6, 2:56 PM PSTTornado WarningSGXSan Diego19 min
Jan 6, 3:12 PM PSTFlash Flood WarningSGXSan Diego3 hr
Jan 6, 3:19 PM PSTSevere Thunderstorm WarningSGXSan Diego43 min
Jan 6, 3:50 PM PSTSpecial Marine WarningSGX85 min

Nearby

Beach Hazards Statements in California, 2016Every beach hazards statement 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.