Alert archive / California / Beach Hazards Statements in 2021

Beach Hazards Statement 3, NWS San Diego, CA

March 3, 2021Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Mar 3, 2021, 9:51 AM PST for Orange County, San Diego County, California. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 3, 2021, 9:51 AM PST (17:51 UTC)
Expired
Mar 3, 2021, 6:00 PM PST
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 17:54 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, 5.9 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 2021-03-03Temperature 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 2021-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1733 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

704 
WHUS46 KSGX 031751
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
951 AM PST Wed Mar 3 2021

CAZ043-552-040200-
/O.NEW.KSGX.BH.S.0003.210303T1751Z-210304T0200Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
951 AM PST Wed Mar 3 2021

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 6 PM PST THIS
EVENING...

The National Weather Service in San Diego has issued a Beach
Hazards Statement...which is in effect until 6 PM PST this
evening. 

* Lightning...Scattered showers and thunderstorms will occur
  through 6 PM at some of the beaches in Orange and San Diego 
  County. Lightning will be the primary threat from these storms.

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.

&&

$$

APR

https://www.weather.gov/sandiego
1 follow-up statement
688 
WHUS46 KSGX 040146
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
546 PM PST Wed Mar 3 2021


CAZ043-552-040300-
/O.EXP.KSGX.BH.S.0003.000000T0000Z-210304T0200Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
546 PM PST Wed Mar 3 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 6 PM PST THIS EVENING...

Lightning is no longer a threat at the beaches, therefore the
Beach Hazards Statement will expire at 6PM. A few scattered
showers are possible this evening, mainly in San Diego County, but
lightning is not expected. 

$$

Connolly

https://www.weather.gov/sandiego

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 3:00 AM PSTWind AdvisorySGXOrange, San Diego19 hr
Mar 3, 12:05 PM PSTAreal Flood AdvisorySGXSan Diego3 hr

Nearby

Beach Hazards Statements in California, 2021Every beach hazards statement in 2021

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.