Alert archive / California / Beach Hazards Statements in 2016

Beach Hazards Statement 12, NWS San Diego, CA

April 9, 2016Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Apr 9, 2016, 12:00 PM PDT for Orange County, San Diego County, California. It took effect at Apr 9, 2016, 11:00 PM PDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Apr 9, 2016, 12:00 PM PDT (19:00 UTC)
In effect from
Apr 9, 2016, 11:00 PM PDT
Expired
Apr 10, 2016, 11:00 AM PDT
In force
12 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 19:01 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, 7.0 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 2016-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 2016-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.1939587897Sfc1 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
31 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

994 
WHUS46 KSGX 091900
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1200 PM PDT SAT APR 9 2016

...ISOLATED THUNDERSTORMS LIKELY AT THE BEACHES LATE TONIGHT
THROUGH SUNDAY MORNING...

.AN UPPER LEVEL LOW MOVING IN FROM THE WEST WILL LIKELY BRING SOME
THUNDERSTORMS TO THE BEACHES LATE THIS EVENING THROUGH AT LEAST
EARLY SUNDAY MORNING...RESULTING IN A LIGHTNING THREAT TO BEACH
GOERS AND SURFERS.

CAZ043-552-100400-
/O.NEW.KSGX.BH.S.0012.160410T0600Z-160410T1800Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
1200 PM PDT SAT APR 9 2016

...BEACH HAZARDS STATEMENT IN EFFECT FROM 11 PM PDT THIS EVENING
THROUGH SUNDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR LIGHTNING...WHICH IS IN EFFECT FROM 11 PM
PDT THIS EVENING THROUGH SUNDAY MORNING.

* TIMING...LATE THIS EVENING THROUGH EARLY SUNDAY MORNING...WITH
  THUNDERSTORM ACTIVITY LIKELY DIMINISHING IN THE MID TO LATE
  MORNING HOURS.

* IMPACTS...CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING STRIKES
  POSE A THREAT TO LIFE OF BEACH GOERS AND SURFERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT FOR BEACH LIGHTNING MEANS THAT THERE IS
THE POTENTIAL FOR CLOUD TO GROUND OR CLOUD TO WATER LIGHTNING
STRIKES WHICH COULD RESULT IN INJURY OR DEATH. MOVE INDOORS UNTIL
THE STORM PASSES AND STAY AWAY FROM METAL OBJECTS.

&&

$$

HTTP://WWW.WEATHER.GOV/SANDIEGO

HARRISON
3 follow-up statements
746 
WHUS46 KSGX 100348
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
848 PM PDT SAT APR 9 2016

...ISOLATED THUNDERSTORMS LIKELY AT THE BEACHES LATE TONIGHT
THROUGH SUNDAY MORNING...

.AN UPPER LEVEL LOW MOVING IN FROM THE WEST WILL BRING A CHANCE OF 
THUNDERSTORMS TO THE BEACHES LATE THIS EVENING THROUGH SUNDAY
MORNING...RESULTING IN A LIGHTNING THREAT TO BEACH GOERS AND
SURFERS.

CAZ043-552-101200-
/O.CON.KSGX.BH.S.0012.160410T0600Z-160410T1800Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
848 PM PDT SAT APR 9 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH SUNDAY
MORNING...

* TIMING...LATE THIS EVENING THROUGH SUNDAY MORNING...WITH
  THUNDERSTORM ACTIVITY LIKELY DIMINISHING IN THE LATE MORNING.

* IMPACTS...CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING STRIKES 
  POSE A THREAT TO LIFE OF BEACH GOERS AND SURFERS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT FOR BEACH LIGHTNING MEANS THAT THERE IS
THE POTENTIAL FOR CLOUD TO GROUND OR CLOUD TO WATER LIGHTNING
STRIKES WHICH COULD RESULT IN INJURY OR DEATH. MOVE INDOORS UNTIL
THE STORM PASSES AND STAY AWAY FROM METAL OBJECTS.

&&

$$

MAXWELL
410 
WHUS46 KSGX 101209
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
509 AM PDT SUN APR 10 2016

...ISOLATED THUNDERSTORMS AT THE BEACHES THIS MORNING...

.A LOW PRESSURE SYSTEM MOVING IN FROM THE WEST MAY BRING A FEW
THUNDERSTORMS TO THE BEACHES THIS MORNING...RESULTING IN A
LIGHTNING THREAT TO BEACH GOERS AND SURFERS.

CAZ043-552-101800-
/O.CON.KSGX.BH.S.0012.000000T0000Z-160410T1800Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
509 AM PDT SUN APR 10 2016

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING...

* TIMING...STORMS WILL BE POSSIBLE THIS MORNING...THEN THE THREAT
  DIMINISHES BY LATE THIS MORNING.

* IMPACTS...CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING STRIKES
  POSE A THREAT TO THE LIVES OF BEACH GOERS AND SURFERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARDS STATEMENT FOR BEACH LIGHTNING MEANS THAT THERE IS
THE POTENTIAL FOR CLOUD TO GROUND OR CLOUD TO WATER LIGHTNING
STRIKES WHICH COULD RESULT IN INJURY OR DEATH. MOVE INDOORS UNTIL
THE STORM PASSES AND STAY AWAY FROM METAL OBJECTS.

&&

$$

JMB

WEATHER.GOV/SANDIEGO
533 
WHUS46 KSGX 101748
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1048 AM PDT SUN APR 10 2016

CAZ043-552-101900-
/O.EXP.KSGX.BH.S.0012.000000T0000Z-160410T1800Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
1048 AM PDT SUN APR 10 2016

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 11 AM PDT THIS
MORNING...

ALTHOUGH THERE ARE STILL SLIM CHANCES THAT A THUNDERSTORM OR TWO
COULD DEVELOP AT THE BEACHES THIS AFTERNOON...ANY ACTIVITY THAT
OCCURS WOULD BE VERY ISOLATED. THEREFORE...THE BEACH HAZARDS
STATEMENT WILL BE ALLOWED TO EXPIRE AT 11 AM.

$$

HTTP://WWW.WEATHER.GOV/SANDIEGO

HARRISON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 5:41 PM PDTFlash Flood WarningSGXSan Bernardino109 min
Apr 9, 11:59 AM PDTFlash Flood WatchSGXOrange, Riverside, San Bernardino, San Diego32 hr

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.