Alert archive / California / Beach Hazards Statements in 2017

Beach Hazards Statement 6, NWS San Diego, CA

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

NWS San Diego, CA issued this beach hazards statement at Mar 23, 2017, 2:11 AM PDT for Orange County, San Diego County, California. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Mar 23, 2017, 2:11 AM PDT (09:11 UTC)
Expired
Mar 23, 2017, 6:00 PM PDT
In force
16 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 09:13 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, 9.2 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 00:00Z on 2017-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2017-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
9 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1186 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

277 
WHUS46 KSGX 230911
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
211 AM PDT THU MAR 23 2017

...ELEVATED SURF EXPECTED...

.A WEST NORTHWEST SWELL WILL BUILD INTO THE LOCAL WATERS, LEADING
TO ELEVATED SURF AT THE BEACHES TODAY INTO THIS EVENING.

CAZ043-552-240100-
/O.NEW.KSGX.BH.S.0006.170323T0911Z-170324T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
211 AM PDT THU MAR 23 2017

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

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR ELEVATED SURF, WHICH IS IN EFFECT THROUGH 
THIS AFTERNOON. 

* WAVES AND SURF...SURF WILL BUILD TO 5 TO 7 FEET.

* TIMING...TODAY THROUGH EARLY THIS EVENING.

* IMPACTS...DANGEROUS CONDITIONS IN THE SURF ZONE DUE TO ELEVATED
  SURF ALONG WITH STRONG RIP CURRENTS.

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
2 follow-up statements
343 
WHUS46 KSGX 231953
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1253 PM PDT THU MAR 23 2017

...ELEVATED SURF CONTINUES THIS AFTERNOON...

.A WEST NORTHWEST SWELL WILL CONTINUE TO BRING ELEVATED SURF AND
STRONG RIP CURRENTS TO AREA BEACHES THROUGH EARLY THIS EVENING
RESULTING IN DANGEROUS SWIMMING CONDITIONS.

CAZ043-552-240100-
/O.CON.KSGX.BH.S.0006.000000T0000Z-170324T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
1253 PM PDT THU MAR 23 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING...

* WAVES AND SURF...SURF HEIGHTS OF 3 TO 6 FEET WITH LOCAL 7 FOOT
  SETS.

* TIMING...THROUGH EARLY THIS EVENING.

* IMPACTS...DANGEROUS CONDITIONS IN THE SURF ZONE DUE TO 
  ELEVATED SURF ALONG WITH STRONG RIP CURRENTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT FOR ELEVATED SURF MEANS THAT WAVES WILL
BE HIGH ENOUGH TO CAUSE DANGER TO INEXPERIENCED SWIMMERS IN THE
WATER.  ELEVATED SURF ALSO FREQUENTLY RESULTS IN STRONG RIP
CURRENTS WHICH CAN DRAG PEOPLE AWAY FROM THE SHORE AND POSSIBLY
RESULT IN DROWNING.  ALWAYS SWIM NEAR A LIFEGUARD.

&&

$$

HARRISON

HTTP://WWW.WEATHER.GOV/SANDIEGO
899 
WHUS46 KSGX 240103
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
603 PM PDT THU MAR 23 2017


CAZ043-552-240215-
/O.EXP.KSGX.BH.S.0006.000000T0000Z-170324T0100Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
603 PM PDT THU MAR 23 2017

...BEACH HAZARDS STATEMENT HAS EXPIRED...

SWELL AND SURF WILL CONTINUE TO LOWER THIS EVENING. THE BEACH
HAZARDS STATEMENT HAS BEEN ALLOWED TO EXPIRE AT 6 PM.

$$

SS

HTTP://WWW.WEATHER.GOV/SANDIEGO

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.