Alert archive / California / Beach Hazards Statements in 2015

Beach Hazards Statement 18, NWS San Diego, CA

September 9, 2015San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Sep 9, 2015, 8:50 PM PDT for San Diego County, California. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued
Sep 9, 2015, 8:50 PM PDT (03:50 UTC)
Expired
Sep 11, 2015, 1:30 AM PDT
In force
29 hr
Issued by
NWS San Diego, CA

County San Diego County, CA

The radar

The San Diego radar (KNKX), 28 km from the middle of the area, began a volume at 03:51 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, 3.8 hours before the alert went out and 47 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 2015-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 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 00:00Z on 2015-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.193958Sfc1 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
57 J/kg
Mixed-layer CIN
-243 J/kg
Mixed-layer LCL
2327 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
30 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.

684 
WHUS46 KSGX 100350
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
850 PM PDT WED SEP 9 2015

...HIGH SURF ON SOUTH FACING BEACHES THROUGH FRIDAY AFTERNOON...
...STRONG RIP AND LONGSHORE CURRENTS AT ALL BEACHES THROUGH FRIDAY
AFTERNOON...

.A LONG PERIOD SOUTH TO SOUTHEAST SWELL FROM TROPICAL STORM LINDA
WILL MOVE INTO THE SOUTHERN CALIFORNIA COASTAL WATERS TONIGHT. THE
SWELL WILL GENERATE HIGH SURF AND STRONG RIP CURRENTS ON THE
SOUTHWEST FACING BEACHES OF ORANGE COUNTY. MOST OF THE SWELL WILL
BYPASS SAN DIEGO COUNTY...BUT AREAS NORTH OF CARLSBAD WILL SEE
ABOVE AVERAGE SURF. THE STRONG SOUTH SWELL WILL PRODUCE STRONG RIP
AND LONGSHORE CURRENT AT ALL BEACHES. THE SURF WILL BEGIN TO
SUBSIDE LATE FRIDAY AFTERNOON.

CAZ552-101300-
/O.CAN.KSGX.BH.S.0017.000000T0000Z-150911T1800Z/
/O.NEW.KSGX.SU.Y.0005.150910T0350Z-150912T0100Z/
ORANGE COUNTY COASTAL AREAS-
850 PM PDT WED SEP 9 2015

...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM PDT FRIDAY. 

* WAVES AND SURF...5 TO 8 FEET THURSDAY AND FRIDAY. SETS OF 10
  FEET OR MORE AT THE WEDGE. THE SURF WILL BEGIN TO SUBSIDE
  LATE FRIDAY AFTERNOON AND EVENING.

* HAZARDS...HIGH SURF AND STRONG RIP AND LONGSHORE CURRENTS.

* TIMING...THURSDAY AND FRIDAY. 

* IMPACTS...LARGE WAVES MAY WASH ACROSS ROCKS AND JETTIES
  UNEXPECTEDLY AND SWEEP UNSUSPECTING ONLOOKERS OUT INTO THE
  WATER. THE STRONG SOUTH SWELL WILL PRODUCE STRONG SOUTH-TO-
  NORTH LONG-SHORE CURRENTS AND STRONG RIP CURRENTS THAT WILL
  PRODUCE HAZARDOUS SWIMMING CONDITIONS.

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.

STRONG RIP CURRENTS WHICH CAN DRAG PEOPLE AWAY FROM THE SHORE AND
POSSIBLY RESULT IN DROWNING. ALWAYS SWIM NEAR A LIFEGUARD.

&&

$$

CAZ043-101300-
/O.NEW.KSGX.BH.S.0018.150910T0350Z-150912T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-
850 PM PDT WED SEP 9 2015

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR STRONG RIP CURRENTS AND STRONG LONG-SHORE
CURRENTS WHICH IS IN EFFECT THROUGH FRIDAY AFTERNOON.

* WAVES AND SURF...2 TO 4 FEET THURSDAY AND FRIDAY. HIGHER SURF OF
  3 TO 5 FEET NORTH OF CARLSBAD WITH SETS TO 6 FEET. THE SURF WILL
  BEGIN TO SUBSIDE LATE FRIDAY AFTERNOON AND EVENING. 

* TIMING...THURSDAY AND FRIDAY. 

* IMPACTS...THE STRONG SOUTH SWELL WILL PRODUCE STRONG SOUTH-TO-
  NORTH LONG-SHORE CURRENTS...AND STRONG RIP CURRENTS THAT WILL
  PRODUCE HAZARDOUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MOEDE
4 follow-up statements
309 
WHUS46 KSGX 100815
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
115 AM PDT THU SEP 10 2015

...HIGH SURF IN ORANGE COUNTY AND STRONG RIP AND LONGSHORE
CURRENTS AT ALL BEACHES TODAY THROUGH FRIDAY AFTERNOON...

.A SOUTH-SOUTHEAST SWELL FROM FORMER HURRICANE LINDA WILL
GENERATE HIGH SURF IN ORANGE COUNTY AND STRONG RIP AND LONGSHORE
CURRENTS AT ALL BEACHES TODAY THROUGH FRIDAY. SURF WILL GRADUALLY
SUBSIDE FRIDAY.

CAZ552-102100-
/O.CON.KSGX.SU.Y.0005.000000T0000Z-150912T0100Z/
ORANGE COUNTY COASTAL AREAS-
115 AM PDT THU SEP 10 2015

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT FRIDAY...

* WAVES AND SURF...5 TO 7 FEET WITH SETS 8 TO 9 FEET. HIGHEST SURF
  NORTH OF NEWPORT BEACH.

* HAZARDS...HIGH SURF AND STRONG RIP AND LONGSHORE CURRENTS.

* TIMING...TODAY THROUGH FRIDAY.

* IMPACTS...LARGE WAVES MAY WASH ACROSS ROCKS AND JETTIES
  UNEXPECTEDLY AND SWEEP UNSUSPECTING ONLOOKERS OUT INTO THE
  WATER. EXPECT STRONG SOUTH-TO-NORTH LONGSHORE CURRENTS AND RIP
  CURRENTS THAT WILL CREATE HAZARDOUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

STRONG RIP CURRENTS CAN DRAG PEOPLE AWAY FROM THE SHORE AND
POSSIBLY RESULT IN DROWNING. ALWAYS SWIM NEAR A LIFEGUARD.

&&

$$

CAZ043-102100-
/O.CON.KSGX.BH.S.0018.000000T0000Z-150912T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-
115 AM PDT THU SEP 10 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
AFTERNOON...

* WAVES AND SURF...3 TO 5 FEET. SETS TO 6 FEET NORTH OF CARLSBAD.
 
* TIMING...TODAY THROUGH FRIDAY.

* IMPACTS...EXPECT STRONG SOUTH-TO-NORTH LONGSHORE CURRENTS AND
  RIP CURRENTS THAT WILL CREATE HAZARDOUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

MM
239 
WHUS46 KSGX 102039
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
139 PM PDT THU SEP 10 2015

...HIGH SURF IN ORANGE COUNTY AND STRONG RIP AND LONGSHORE
CURRENTS AT ALL BEACHES THROUGH FRIDAY AFTERNOON...

.A SOUTH-SOUTHEAST SWELL FROM FORMER HURRICANE LINDA WILL
GENERATE HIGH SURF IN ORANGE COUNTY AND STRONG RIP AND LONGSHORE
CURRENTS AT ALL BEACHES THROUGH FRIDAY. SURF WILL GRADUALLY
SUBSIDE FRIDAY.

CAZ552-110445-
/O.CON.KSGX.SU.Y.0005.000000T0000Z-150912T0100Z/
ORANGE COUNTY COASTAL AREAS-
139 PM PDT THU SEP 10 2015

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT FRIDAY...

* WAVES AND SURF...5 TO 7 FEET WITH SETS 8 TO 9 FEET. HIGHEST 
  SURF NORTH OF NEWPORT BEACH. 

* HAZARDS...HIGH SURF AND STRONG RIP AND LONGSHORE CURRENTS.

* TIMING...THROUGH FRIDAY.

* IMPACTS...LARGE WAVES MAY WASH ACROSS ROCKS AND JETTIES 
  UNEXPECTEDLY AND SWEEP UNSUSPECTING ONLOOKERS OUT INTO THE 
  WATER. EXPECT STRONG SOUTH-TO-NORTH LONGSHORE CURRENTS AND RIP 
  CURRENTS THAT WILL CREATE HAZARDOUS SWIMMING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

STRONG RIP CURRENTS CAN DRAG PEOPLE AWAY FROM THE SHORE AND
POSSIBLY RESULT IN DROWNING. ALWAYS SWIM NEAR A LIFEGUARD.

&&

$$

CAZ043-110445-
/O.CON.KSGX.BH.S.0018.000000T0000Z-150912T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-
139 PM PDT THU SEP 10 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
AFTERNOON...

* WAVES AND SURF...3 TO 5 FEET. SETS TO 6 FEET NORTH OF CARLSBAD.

* TIMING...THROUGH FRIDAY.

* IMPACTS...EXPECT STRONG SOUTH-TO-NORTH LONGSHORE CURRENTS AND 
  RIP CURRENTS THAT WILL CREATE HAZARDOUS SWIMMING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$


HTTP://WWW.WEATHER.GOV/SANDIEGO
787 
WHUS46 KSGX 110447
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
947 PM PDT THU SEP 10 2015

...HIGH SURF IN ORANGE COUNTY AND STRONG RIP AND LONGSHORE
CURRENTS AT ALL BEACHES THROUGH FRIDAY AFTERNOON...

.A SOUTH-SOUTHEAST SWELL FROM FORMER HURRICANE LINDA WILL
GENERATE HIGH SURF IN ORANGE COUNTY AND STRONG RIP AND LONGSHORE
CURRENTS AT ALL BEACHES THROUGH FRIDAY. SURF WILL GRADUALLY
SUBSIDE FRIDAY THROUGH THE WEEKEND.

CAZ552-111300-
/O.CON.KSGX.SU.Y.0005.000000T0000Z-150912T0100Z/
ORANGE COUNTY COASTAL AREAS-
947 PM PDT THU SEP 10 2015

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT FRIDAY...

* WAVES AND SURF...5 TO 7 FEET WITH SETS 8 TO 9 FEET. HIGHEST 
  SURF NORTH OF NEWPORT BEACH. 

* HAZARDS...HIGH SURF AND STRONG RIP AND LONGSHORE CURRENTS.

* TIMING...THROUGH FRIDAY.

* IMPACTS...LARGE WAVES MAY WASH ACROSS ROCKS AND JETTIES 
  UNEXPECTEDLY AND SWEEP UNSUSPECTING ONLOOKERS OUT INTO THE 
  WATER. EXPECT STRONG SOUTH-TO-NORTH LONGSHORE CURRENTS AND RIP 
  CURRENTS THAT WILL CREATE HAZARDOUS SWIMMING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

STRONG RIP CURRENTS CAN DRAG PEOPLE AWAY FROM THE SHORE AND
POSSIBLY RESULT IN DROWNING. ALWAYS SWIM NEAR A LIFEGUARD.

&&

$$

CAZ043-111300-
/O.CON.KSGX.BH.S.0018.000000T0000Z-150912T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-
947 PM PDT THU SEP 10 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
AFTERNOON...

* WAVES AND SURF...3 TO 5 FEET. SETS TO 6 FEET NORTH OF CARLSBAD.

* TIMING...THROUGH FRIDAY.

* IMPACTS...EXPECT STRONG SOUTH-TO-NORTH LONGSHORE CURRENTS AND 
  RIP CURRENTS THAT WILL CREATE HAZARDOUS SWIMMING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$


HTTP://WWW.WEATHER.GOV/SANDIEGO
914 
WHUS46 KSGX 110830
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
130 AM PDT FRI SEP 11 2015

...DECREASING SURF TODAY...

.SURF WILL CONTINUE TO DECREASE TODAY. THERE IS STILL A HIGH 
RISK OF RIP CURRENTS. 

CAZ552-110930-
/O.CAN.KSGX.SU.Y.0005.000000T0000Z-150912T0100Z/
ORANGE COUNTY COASTAL AREAS-
130 AM PDT FRI SEP 11 2015

...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE HIGH
SURF ADVISORY. 

$$

CAZ043-110930-
/O.CAN.KSGX.BH.S.0018.000000T0000Z-150912T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-
130 AM PDT FRI SEP 11 2015

...BEACH HAZARDS STATEMENT IS CANCELLED...

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

$$

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 8:50 PM PDTHigh Surf AdvisorySGXOrange29 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.