Alert archive / California / Rip Current Statements in 2012

Rip Current Statement 1, NWS San Diego, CA

September 2, 2012San Diego County, California

NWS San Diego, CA issued this rip current statement at Sep 2, 2012, 5:50 PM PDT for San Diego County, California. It took effect at Sep 2, 2012, 6:00 PM PDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Sep 2, 2012, 5:50 PM PDT (00:50 UTC)
In effect from
Sep 2, 2012, 6:00 PM PDT
Expired
Sep 3, 2012, 6:00 PM PDT
In force
24 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 00:56 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, 0.8 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 2012-09-03Temperature 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 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 2012-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3694 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
82 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.

626 
WHUS46 KSGX 030050
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
550 PM PDT SUN SEP 2 2012

...HIGH SURF ADVISORY IS CANCELLED BUT HIGH RIP CURRENT RISK WILL
CONTINUE THROUGH MONDAY AFTERNOON...

.THE LONG-PERIOD SOUTHERN HEMISPHERE SWELL AND THE SWELL FROM THE
REMNANTS OF HURRICANE ILENA ARE DIMINISHING AND THE ASSOCIATED
SURF IS ALSO DIMINISHING. THE SURF AT MOST BEACHES IS NOW BELOW 7
FEET BUT THE CONTINUING LONG-PERIOD SWELL WILL CONTINUE TO BRING A
HIGH RIP CURRENT RISK TO THE BEACHES. SWELL AND SURF WILL CONTINUE
TO DIMINISH THROUGH LABOR DAY.

CAZ042-043-030900-
/O.CAN.KSGX.SU.Y.0013.000000T0000Z-120904T0100Z/
/O.NEW.KSGX.RP.S.0001.120903T0100Z-120904T0100Z/
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
550 PM PDT SUN SEP 2 2012

...HIGH RIP CURRENT RISK IN EFFECT THROUGH MONDAY AFTERNOON...
...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH MONDAY AFTERNOON. THE
HIGH SURF ADVISORY HAS BEEN CANCELLED. 

* SURF HEIGHTS...IN ORANGE COUNTY...4 TO 6 FEET WITH OCCASIONAL
  SETS TO 10 FEET AT FAVORED LOCATIONS THROUGH
  TONIGHT...DECREASING ON MONDAY. IN SAN DIEGO COUNTY...3 TO 5
  FEET WITH OCCASIONAL HIGHER SETS THROUGH TONIGHT...DECREASING ON
  MONDAY.

* TIMING...THROUGH 6 PM PDT MONDAY EVENING.

* LOCATION...HIGHEST SURF ALONG EXPOSED SOUTH FACING BEACHES FROM
  SEAL BEACH TO CORONA DEL MAR...SALT CREEK TO DOHENY STATE
  BEACH...AND SAN CLEMENTE TO SAN ONOFRE.

* TIDES...AT NEWPORT BAY ENTRANCE...LOW TIDE OF 0.89 FEET AT 503
  PM THIS EVENING. HIGH TIDE OF 4.88 FEET AT 1107 PM TONIGHT. LOW
  TIDE OF 1.03 FEET AT 507 AM MONDAY. HIGH TIDE OF 5.28 FEET AT
  1122 AM MONDAY. AT LA JOLLA...LOW TIDE OF 0.88 FEET AT 459 PM
  THIS EVENING. HIGH TIDE OF 4.82 FEET AT 1101 PM TONIGHT. LOW
  TIDE OF 1.03 FEET AT 502 AM MONDAY. HIGH TIDE OF 5.2 FEET AT
  1117 AM MONDAY.

* IMPACTS...DANGEROUS SURF FOR INEXPERIENCED SWIMMERS. VERY
  STRONG RIP CURRENTS AND ALONG SHORE CURRENTS SETTING TOWARDS THE
  NORTH. MODERATE BEACH EROSION IS ALSO LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. 

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS AND THE BEACH
PATROL. PAY ATTENTION TO FLAGS AND POSTED SIGNS. 

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$


HTTP://WWW.WEATHER.GOV/SANDIEGO
3 follow-up statements
500 
WHUS46 KSGX 030819
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
119 AM PDT MON SEP 3 2012

...HIGH RIP CURRENT RISK CONTINUES THROUGH THIS AFTERNOON...

.EXPECT STRONG RIP CURRENTS AND ALONG-SHORE CURRENTS TO CONTINUE
TODAY AS A LONG-PERIOD SOUTH SWELL IMPACTS THE BEACHES. SWELL AND
SURF WILL CONTINUE TO DIMINISH THROUGH TODAY.

CAZ042-043-031530-
/O.CON.KSGX.RP.S.0001.000000T0000Z-120904T0100Z/
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
119 AM PDT MON SEP 3 2012

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS
AFTERNOON...

* SURF AND RIP CURRENTS...IN ORANGE COUNTY...SURF OF 4 TO 6 FEET
  WITH OCCASIONAL SETS TO 8 FEET IS EXPECTED THROUGH THIS
  AFTERNOON. IN SAN DIEGO COUNTY...SURF OF 3 TO 5 FEET WITH
  OCCASIONAL HIGHER SETS IS EXPECTED THROUGH THIS AFTERNOON.
  HIGHEST SURF WILL BE ALONG SOUTH FACING BEACHES. STRONG RIP
  CURRENTS AND ALONG-SHORE CURRENTS WILL CONTINUE TO IMPACT THE
  BEACHES THROUGH THIS AFTERNOON.

* TIMING...THROUGH 6 PM PDT MONDAY EVENING.

* IMPACTS...VERY STRONG RIP CURRENTS AND ALONG SHORE CURRENTS
  SETTING TOWARDS THE NORTH...ALONG WITH ABOVE-NORMAL SURF...WILL
  RESULT IN DANGEROUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO NOT
ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$

HTTP://WWW.WEATHER.GOV/SANDIEGO

HARRISON
126 
WHUS46 KSGX 031536
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
836 AM PDT MON SEP 3 2012

...HIGH RIP CURRENT RISK CONTINUES THROUGH THIS AFTERNOON...

.EXPECT STRONG RIP CURRENTS AND STRONG LONGSHORE CURRENTS TO
CONTINUE TODAY AS A LONG-PERIOD SOUTH SWELL IMPACTS THE BEACHES.
SWELL AND SURF WILL CONTINUE TO DIMINISH TODAY.

CAZ042-043-040100-
/O.CON.KSGX.RP.S.0001.000000T0000Z-120904T0100Z/
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
836 AM PDT MON SEP 3 2012

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING...

* SURF AND RIP CURRENTS...SURF WILL BE 2 TO 5 FEET. SETS UP TO 7
  FEET WILL BE POSSIBLE ALONG SOUTH FACING BEACHES. STRONG RIP
  CURRENTS AND STRONG LONGSHORE CURRENTS WILL CONTINUE TO IMPACT
  THE BEACHES THROUGH THIS AFTERNOON.

* TIMING...THROUGH 6 PM PDT THIS EVENING.

* IMPACTS...DANGEROUS SWIMMING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU BECOME CAUGHT IN A RIP CURRENT...DO NOT PANIC. REMAIN CALM
AND BEGIN TO SWIM PARALLEL TO SHORE. ONCE YOU ARE AWAY FROM THE
FORCE OF THE RIP CURRENT...BEGIN TO SWIM BACK TO THE BEACH. DO
NOT ATTEMPT TO SWIM DIRECTLY AGAINST A RIP CURRENT. EVEN A STRONG
SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&

$$

MM
589 
WHUS46 KSGX 040051
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
551 PM PDT MON SEP 3 2012

...HIGH RIP CURRENT RISK WILL DIMINISH THIS EVENING...

.THE STRONG RIP CURRENTS AND STRONG LONGSHORE CURRENTS RESULTING FROM A
LONG-PERIOD SOUTH SWELL WILL DIMINISH THIS EVENING.

CAZ042-043-040200-
/O.EXP.KSGX.RP.S.0001.000000T0000Z-120904T0100Z/
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
551 PM PDT MON SEP 3 2012

...HIGH RIP CURRENT RISK WILL EXPIRE AT 6 PM PDT THIS EVENING...


* SURF AND RIP CURRENTS...SURF WILL BE 2 TO 5 FEET WITH OCCASIONAL
  HIGHER SETS. RIP CURRENTS AND LONGSHORE CURRENTS ARE DIMINISHING
  BUT ARE ALWAYS PRESENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALWAYS SWIM NEAR LIFEGUARDS. IF YOU BECOME CAUGHT IN A RIP
CURRENT...DO NOT PANIC. REMAIN CALM AND BEGIN TO SWIM PARALLEL TO
SHORE. ONCE YOU ARE AWAY FROM THE FORCE OF THE RIP CURRENT...BEGIN
TO SWIM BACK TO THE BEACH. DO NOT ATTEMPT TO SWIM DIRECTLY AGAINST
A RIP CURRENT. EVEN A STRONG SWIMMER CAN BECOME EXHAUSTED QUICKLY.

&&


$$


HTTP://WWW.WEATHER.GOV/SANDIEGO

Nearby

Rip Current Statements in California, 2012Every rip current statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.