Alert archive / California / Beach Hazards Statements in 2014

Beach Hazards Statement 12, NWS San Diego, CA

August 2, 2014San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Aug 2, 2014, 3:51 PM PDT for San Diego County, California. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Aug 2, 2014, 3:51 PM PDT (22:51 UTC)
Expired
Aug 2, 2014, 8:00 PM PDT
In force
4 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 22:52 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, 10.9 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 12:00Z on 2014-08-02Temperature 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 12:00Z on 2014-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1723 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
20 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.

939 
WHUS46 KSGX 022251
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
351 PM PDT SAT AUG 2 2014

...BEACH HAZARD STATEMENT FOR LIGHTNING AT SAN DIEGO COUNTY
BEACHES THROUGH 8 PM TODAY...

.AT 330 PM...RADAR SHOWED A LINE OF SHOWERS AND ISOLATED
THUNDERSTORMS OVER THE MOUNTAINS MOVE WEST. THE PRECIPITATION WILL
MOVE ACROSS THE VALLEYS AND OVER THE SAN DIEGO COUNTY BEACHES LATE
THIS AFTERNOON THROUGH EARLY EVENING. THIS LINE OF STORMS PRODUCED
LIGHTNING STRIKES IN THE MOUNTAINS BETWEEN 2 AND 3 PM. THERE HAS
BEEN A DECREASE IN LIGHTNING ACTIVITY SINCE 300 PM...BUT THERE IS
STILL A CHANCE FOR A LIGHTNING STRIKE AT BEACHES WITH THIS LINE OF
SHOWERS THROUGH 8 PM.

CAZ043-030300-
/O.NEW.KSGX.BH.S.0012.140802T2251Z-140803T0300Z/
SAN DIEGO COUNTY COASTAL AREAS-
351 PM PDT SAT AUG 2 2014

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR LIGHTING...WHICH IS IN EFFECT UNTIL 8 PM
PDT THIS EVENING.

* TIMING...345 PM TO 800 PM TODAY.

* IMPACTS...A LIGHTING STRIKE IS POSSIBLE AT THE BEACHES THROUGH
  EARLY EVENING.

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. 

&&

$$

MOEDE
1 follow-up statement
167 
WHUS46 KSGX 030241
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
741 PM PDT SAT AUG 2 2014

...BEACH HAZARD STATEMENT FOR LIGHTNING WILL EXPIRE AT 8 PM...

CAZ043-030345-
/O.EXP.KSGX.BH.S.0012.000000T0000Z-140803T0300Z/
SAN DIEGO COUNTY COASTAL AREAS-
741 PM PDT SAT AUG 2 2014

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 8 PM PDT THIS EVENING...

SHOWERS HAVE MOVED ACROSS THE SAN DIEGO COUNTY BEACHES AND OUT
OVER THE COASTAL WATERS...AND THE THREAT FOR LIGHTNING AT THE
COAST HAS ENDED. HOWEVER...THERE IS A GOOD CHANCE THAT
THUNDERSTORMS WILL REFORM OVER THE COASTAL AREAS LATE TONIGHT AND
SUNDAY. 

$$

MOEDE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 10:00 PM PDTFlash Flood WatchSGXRiverside, San Bernardino, San Diego46 hr
Aug 2, 10:47 AM PDTBeach Hazards StatementSGXSan Diego2 hr
Aug 2, 11:37 AM PDTAreal Flood AdvisorySGXRiverside, San Bernardino3 hr
Aug 2, 12:28 PM PDTFlash Flood WarningSGXRiverside, San Bernardino3 hr
Aug 2, 1:17 PM PDTFlash Flood WarningSGXRiverside3 hr
Aug 2, 3:04 PM PDTAreal Flood AdvisorySGXSan Diego3 hr

Nearby

Beach Hazards Statements in California, 2014Every beach hazards statement in 2014

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.