Alert archive / California / Beach Hazards Statements in 2019

Beach Hazards Statement 9, NWS San Diego, CA

February 21, 2019San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Feb 21, 2019, 7:03 PM PST for San Diego County, California. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Feb 21, 2019, 7:03 PM PST (03:03 UTC)
Expired
Feb 21, 2019, 9:00 PM PST
In force
117 min
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 03:04 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, 3.1 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 2019-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 joules per kilogram.LCLEL10008507005003002001001 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 2019-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
117 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

215 
WHUS46 KSGX 220303
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
703 PM PST Thu Feb 21 2019

...ISOLATED THUNDERSTORMS WITH CLOUD-TO-GROUND LIGHTNING POSSIBLE
THROUGH 900 PM...

Scattered showers and isolated thunderstorms over the coastal
waters will continue to approach the coast and could bring an
isolated lightning strike at the beaches through 900 PM. The best
chances of lightning will be from La Jolla south to the Mexican
border. The thunderstorm risk will taper by 900 PM.

CAZ043-220500-
/O.EXP.KSGX.BH.S.0008.000000T0000Z-190222T0300Z/
/O.NEW.KSGX.BH.S.0009.190222T0303Z-190222T0500Z/
San Diego County Coastal Areas-
703 PM PST Thu Feb 21 2019

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 PM PST THIS
EVENING...

The National Weather Service in San Diego has issued a Beach
Hazards Statement...which is in effect until 9 PM PST this
evening. 

* Lightning...There is a chance of lightning early this evening 
  due to showers and isolated thunderstorms over the water 
  approaching the coast. 

* Changes since last issuance...Lightning risk extended through 
  900 PM.

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.

&&

$$

Maxwell

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 4:53 PM PSTSpecial Weather StatementSGXOrange67 min
Feb 21, 5:05 PM PSTBeach Hazards StatementSGXSan Diego115 min

Nearby

Beach Hazards Statements in California, 2019Every beach hazards statement in 2019

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.