Alert archive / California / Beach Hazards Statements in 2021

Beach Hazards Statement 16, NWS San Diego, CA

October 22, 2021Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Oct 22, 2021, 12:55 PM PDT for Orange County, San Diego County, California. It took effect at Oct 23, 2021, 5:00 AM PDT. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Oct 22, 2021, 12:55 PM PDT (19:55 UTC)
In effect from
Oct 23, 2021, 5:00 AM PDT
Expired
Oct 23, 2021, 10:00 PM PDT
In force
17 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 19:58 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, 7.9 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 2021-10-22Temperature 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 2021-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
1262 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

762 
WHUS46 KSGX 221955
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
1255 PM PDT Fri Oct 22 2021

CAZ043-552-230400-
/O.NEW.KSGX.BH.S.0016.211023T1200Z-211024T0500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
1255 PM PDT Fri Oct 22 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY EVENING...

* WHAT...Surf of 3 to 6 feet, with sets up to 7 feet in southern
  San Diego County. Strong rip currents expected.

* WHERE...San Diego County Coastal Areas and Orange County 
  Coastal Areas.

* WHEN...From late tonight through Saturday evening.

* ADDITIONAL DETAILS...A more powerful west-northwest swell is
  expected to bring larger surf to the beaches late Monday through
  Tuesday. Surf of 5 to 7 feet is expected, with sets up to 9 feet in
  southern San Diego County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Connolly
4 follow-up statements
149 
WHUS46 KSGX 230342
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
842 PM PDT Fri Oct 22 2021

CAZ043-552-231315-
/O.CON.KSGX.BH.S.0016.211023T1200Z-211024T0500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
842 PM PDT Fri Oct 22 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM PDT
SATURDAY THROUGH SATURDAY EVENING...

* WHAT...Surf of 3 to 6 feet, with sets up to 7 feet in southern 
  San Diego County. Strong rip currents expected.

* WHERE...San Diego County Coastal Areas and Orange County 
  Coastal Areas.

* WHEN...From late tonight through Saturday evening.

* ADDITIONAL DETAILS...A more powerful west-northwest swell is 
  expected to bring larger surf to the beaches late Monday 
  through Tuesday. Surf of 5 to 7 feet is expected, with sets up 
  to 9 feet in southern San Diego County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

CO
326 
WHUS46 KSGX 231238
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
538 AM PDT Sat Oct 23 2021

CAZ043-552-232100-
/O.CON.KSGX.BH.S.0016.000000T0000Z-211024T0500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
538 AM PDT Sat Oct 23 2021

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THIS EVENING...

* WHAT...Surf of 3 to 5 feet, with sets up to 7 feet in southern 
  San Diego County. Strong rip currents expected.

* WHERE...San Diego County and Orange County Coastal Areas.

* WHEN...Until 10 PM this evening.

* ADDITIONAL DETAILS...Highest surf will be today with some
  elevated surf continuing into Sunday. A more powerful west-
  northwest swell is expected to bring higher surf to the beaches
  late Monday through Tuesday. Surf of 5 to 7 feet is expected,
  with sets up to 10 feet in southern San Diego County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

APR
367 
WHUS46 KSGX 232048
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
148 PM PDT Sat Oct 23 2021

CAZ043-552-240500-
/O.CON.KSGX.BH.S.0016.000000T0000Z-211024T0500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
148 PM PDT Sat Oct 23 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING...

* WHAT...Surf of 3 to 5 feet, with sets up to 7 feet in southern 
  San Diego County. Strong rip currents expected.

* WHERE...San Diego County and Orange County Coastal Areas.

* WHEN...Until 10 PM this evening.

* ADDITIONAL DETAILS...Highest surf will be this afternoon and
  evening with some elevated surf continuing into Sunday. A more
  powerful west-northwest swell is expected to bring higher surf 
  to the beaches late Monday through Tuesday. Surf of 5 to 7 feet 
  is expected, with sets up to 10 feet in southern San Diego 
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Small
514 
WHUS46 KSGX 240448
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
948 PM PDT Sat Oct 23 2021

CAZ043-552-240600-
/O.EXP.KSGX.BH.S.0016.000000T0000Z-211024T0500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
948 PM PDT Sat Oct 23 2021

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PDT THIS
EVENING...

Areas of elevated surf have diminished. A more powerful west- 
northwest swell is expected to bring higher surf to the beaches 
late Monday through Wednesday. Surf of 5 to 7 feet is expected, 
with sets up to 10 feet in southern San Diego County. 

$$

CO

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.