Alert archive / California / Beach Hazards Statements in 2016

Beach Hazards Statement 28, NWS San Diego, CA

October 23, 2016Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Oct 23, 2016, 2:58 PM PDT for Orange County, San Diego County, California. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 23, 2016, 2:58 PM PDT (21:58 UTC)
Expired
Oct 23, 2016, 11:00 PM PDT
In force
8 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 22:00 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, 10.0 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 2016-10-23Temperature 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 2016-10-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
3051 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

481 
WHUS46 KSGX 232158
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
258 PM PDT SUN OCT 23 2016

...ISOLATED THUNDERSTORMS WITH CLOUD TO GROUND LIGHTNING AT THE
BEACHES THIS EVENING...

CAZ043-552-240600-
/O.NEW.KSGX.BH.S.0028.161023T2158Z-161024T0600Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
258 PM PDT SUN OCT 23 2016

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT FOR THUNDERSTORMS AND LIGHTNING...WHICH IS IN
EFFECT UNTIL 11 PM PDT THIS EVENING.

* TIMING...ISOLATED THUNDERSTORMS WILL APPROACH THE BEACHES AFTER
  3 PM THIS AFTERNOON WITH A THREAT FOR CLOUD TO GROUND LIGHTNING
  THROUGH THIS EVENING. 

* THREATS...CLOUD TO GROUND LIGHTNING POSES A DANGEROUS RISK TO
  ALL BEACH GOERS. IF STORMS APPROACH GET OUT OF THE WATER
  IMMEDIATELY AND GO TO A BUILDING OR HARD TOP VEHICLE.

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.

&&

$$

JMB

WEATHER.GOV/SANDIEGO

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.