Alert archive / California / Beach Hazards Statements in 2017

Beach Hazards Statement 9, NWS San Diego, CA

May 6, 2017Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at May 6, 2017, 1:30 PM PDT for Orange County, San Diego County, California. It took effect at May 7, 2017, 5:00 AM PDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
May 6, 2017, 1:30 PM PDT (20:30 UTC)
In effect from
May 7, 2017, 5:00 AM PDT
Expired
May 7, 2017, 8:13 PM PDT
In force
15 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 20:31 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, 8.5 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 2017-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2017-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
768 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
-54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

761 
WHUS46 KSGX 062030
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
130 PM PDT SAT MAY 6 2017

...LIGHTNING THREAT AT THE BEACHES SUNDAY...

.A PACIFIC STORM SYSTEM WILL BRING SHOWERS TO THE AREA THROUGH 
SUNDAY WITH LIGHTNING AND THUNDER POSSIBLE AT THE BEACHES.

CAZ043-552-070430-
/O.NEW.KSGX.BH.S.0009.170507T1200Z-170508T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
130 PM PDT SAT MAY 6 2017

...BEACH HAZARDS STATEMENT IN EFFECT 5 AM TO 9 PM SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR POTENTIAL LIGHTNING...WHICH IS IN EFFECT 
5 AM TO 9 PM SUNDAY. 

* TIMING FOR BEACH LIGHTNING...5 AM TO 9 PM SUNDAY.

* IMPACTS...DEADLY CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING 
CAN RESULT IN A THREAT TO BEACH GOERS AND SWIMMERS. 

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.  

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. 

&&

$$

SMALL

HTTP://WWW.WEATHER.GOV/SANDIEGO
4 follow-up statements
480 
WHUS46 KSGX 070440
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
940 PM PDT SAT MAY 6 2017

...LIGHTNING THREAT AT THE BEACHES SUNDAY...

.A PACIFIC STORM SYSTEM WILL BRING SHOWERS TO THE AREA THROUGH
SUNDAY WITH LIGHTNING AND THUNDER POSSIBLE AT THE BEACHES.

CAZ043-552-071300-
/O.CON.KSGX.BH.S.0009.170507T1200Z-170508T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
940 PM PDT SAT MAY 6 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM PDT SUNDAY
THROUGH SUNDAY EVENING...

* TIMING FOR BEACH LIGHTNING...5 AM TO 9 PM SUNDAY.

* IMPACTS...DEADLY CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING 
  CAN RESULT IN A THREAT TO BEACH GOERS AND SWIMMERS.

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.

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.

&&

$$
128 
WHUS46 KSGX 071250
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
550 AM PDT SUN MAY 7 2017

...LIGHTNING THREAT AT THE BEACHES SUNDAY...

.A PACIFIC STORM SYSTEM WILL BRING SHOWERS TO THE AREA THROUGH
SUNDAY WITH LIGHTNING AND THUNDER POSSIBLE AT THE BEACHES.

CAZ043-552-072100-
/O.CON.KSGX.BH.S.0009.000000T0000Z-170508T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
550 AM PDT SUN MAY 7 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* TIMING FOR BEACH LIGHTNING...5 AM TO 9 PM TODAY.

* IMPACTS...DEADLY CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING 
  CAN RESULT IN A THREAT TO BEACH GOERS AND SWIMMERS. 

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.

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
004 
WHUS46 KSGX 072027
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
127 PM PDT SUN MAY 7 2017

...LIGHTNING THREAT AT THE BEACHES INTO THIS EVENING...

.A PACIFIC STORM SYSTEM WILL BRING SHOWERS TO THE AREA THROUGH
THIS EVENING WITH LIGHTNING AND THUNDER POSSIBLE AT THE BEACHES.

CAZ043-552-080400-
/O.CON.KSGX.BH.S.0009.000000T0000Z-170508T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
127 PM PDT SUN MAY 7 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* TIMING FOR BEACH LIGHTNING...5 AM TO 9 PM TODAY.

* IMPACTS...DEADLY CLOUD-TO-WATER AND CLOUD-TO-GROUND LIGHTNING 
  CAN RESULT IN A THREAT TO BEACH GOERS AND SWIMMERS. 

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.

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.

&&

$$

SMALL

HTTP://WWW.WEATHER.GOV/SANDIEGO
189 
WHUS46 KSGX 080313
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
813 PM PDT SUN MAY 7 2017

CAZ043-552-080415-
/O.CAN.KSGX.BH.S.0009.000000T0000Z-170508T0400Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
813 PM PDT SUN MAY 7 2017

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE BEACH
HAZARDS STATEMENT. THE LIGHTNING THREAT HAS ENDED ALONG THE
BEACHES, THOUGH SOME RAIN SHOWERS WILL CONTINUE ALONG THE SAN 
DIEGO COUNTY BEACHES THIS EVENING.

$$

MAXWELL

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 1:27 AM PDTGale WarningSGX25 hr
May 6, 12:38 PM PDTWinter Weather AdvisorySGXRiverside, San Bernardino, San Diego34 hr

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.