Alert archive / California / Beach Hazards Statements in 2021

Beach Hazards Statement 2, NWS San Diego, CA

January 29, 2021Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Jan 29, 2021, 11:42 AM PST for Orange County, San Diego County, California. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jan 29, 2021, 11:42 AM PST (19:42 UTC)
Expired
Jan 29, 2021, 5:00 PM PST
In force
5 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 19:46 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, 7.7 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 2021-01-29Temperature 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 2021-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939587897117Sfc1 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
505 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
-237 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

575 
WHUS46 KSGX 291942
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
1142 AM PST Fri Jan 29 2021

CAZ043-552-300100-
/O.NEW.KSGX.BH.S.0002.210129T1942Z-210130T0100Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
1142 AM PST Fri Jan 29 2021

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 5 PM PST THIS
AFTERNOON...

The National Weather Service in San Diego has issued a Beach
Hazards Statement...which is in effect until 5 PM PST this
afternoon. 

* Lightning...Scattered thunderstorms will occur through 5 PM over
  the coastal waters, and these will move onto 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.

&&

$$

Maxwell
1 follow-up statement
812 
WHUS46 KSGX 300047
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
447 PM PST Fri Jan 29 2021

CAZ043-552-300200-
/O.EXP.KSGX.BH.S.0002.000000T0000Z-210130T0100Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
447 PM PST Fri Jan 29 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 5 PM PST THIS
AFTERNOON...

Thunderstorms have dissipated or moved to the east and are no
longer a threat at the beaches.

$$


https://www.weather.gov/sandiego

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 28, 9:32 PM PSTAreal Flood AdvisorySGXOrange, Riverside, San Bernardino3 hr
Jan 28, 10:16 PM PSTAreal Flood AdvisorySGXOrange, Riverside, San Bernardino3 hr
Jan 29, 12:34 AM PSTAreal Flood AdvisorySGXSan Diego3 hr
Jan 29, 12:21 PM PSTSpecial Weather StatementSGXSan Diego39 min
Jan 29, 2:12 PM PSTSpecial Weather StatementSGXSan Diego33 min
Jan 29, 3:35 PM PSTAreal Flood AdvisorySGXSan Diego2 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.