Alert archive / California / Beach Hazards Statements in 2016

Beach Hazards Statement 25, NWS San Diego, CA

September 19, 2016San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Sep 19, 2016, 2:40 AM PDT for San Diego County, California. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Sep 19, 2016, 2:40 AM PDT (09:40 UTC)
Expired
Sep 19, 2016, 8:00 AM PDT
In force
5 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 09:41 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, 9.7 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 2016-09-19Temperature 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 2016-09-19The 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
2842 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

073 
WHUS46 KSGX 190940
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
240 AM PDT MON SEP 19 2016

...THUNDERSTORMS MOVING NORTHWARD ALONG THE BEACHES THIS MORNING...

.A GROUP OF SHOWERS AND THUNDERSTORMS WILL MOVE NORTHWARD ALONG
THE COAST AND COASTAL WATERS THIS MORNING. DANGEROUS CLOUD TO
GROUND LIGHTNING IS EXPECTED PARTICULARLY IN SOUTHERN BEACHES OF
SAN DIEGO COUNTY.

CAZ043-191500-
/O.NEW.KSGX.BH.S.0025.160919T0940Z-160919T1500Z/
SAN DIEGO COUNTY COASTAL AREAS-
240 AM PDT MON SEP 19 2016

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 8 AM PDT THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR BEACH LIGHTNING...WHICH IS IN EFFECT UNTIL
8 AM PDT THIS MORNING.

* TIMING...THIS MORNING.

* IMPACTS...LIGHTNING STRIKES COULD RESULT IN INJURY OR DEATH IF
  STRUCK. 

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.

&&

$$

MM
1 follow-up statement
389 
WHUS46 KSGX 191505
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
805 AM PDT MON SEP 19 2016

CAZ043-191615-
/O.EXP.KSGX.BH.S.0025.000000T0000Z-160919T1500Z/
SAN DIEGO COUNTY COASTAL AREAS-
805 AM PDT MON SEP 19 2016

...BEACH HAZARDS STATEMENT HAS EXPIRED...

THE LIGHTNING HAS RETREATED FURTHER WEST OFF THE COAST EARLY THIS
MORNING. THERE IS A CHANCE OF THUNDERSTORMS LATER TODAY, BUT THE
RISK OF LIGHTNING IS LOW THE REST OF THIS MORNING AT THE BEACHES.

$$

MAXWELL

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.