Alert archive / California / Beach Hazards Statements in 2020

Beach Hazards Statement 4, NWS San Diego, CA

May 10, 2020Orange County, California

NWS San Diego, CA issued this beach hazards statement at May 10, 2020, 1:48 AM PDT for Orange County, California. It was in force for 66 hr.

The area

The counties it named.

The facts

Issued
May 10, 2020, 1:48 AM PDT (08:48 UTC)
Expired
May 12, 2020, 8:00 PM PDT
In force
66 hr
Issued by
NWS San Diego, CA

County Orange County, CA

The radar

The Santa Ana Mts radar (KSOX), 20 km from the middle of the area, began a volume at 08:50 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, 8.8 hours before the alert went out and 111 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 2020-05-10Temperature 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 00:00Z on 2020-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
1634 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

028 
WHUS46 KSGX 100848
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
148 AM PDT Sun May 10 2020

CAZ552-102100-
/O.NEW.KSGX.BH.S.0004.200510T0848Z-200512T0100Z/
Orange County Coastal Areas-
148 AM PDT Sun May 10 2020

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH MONDAY AFTERNOON...

The National Weather Service in San Diego has issued a Beach
Hazards Statement...which is in effect through Monday afternoon. 

* Surf...3 to 6 feet. Highest surf will be on south facing
  beaches.

* Timing...Through Monday afternoon.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions.

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.

&&

$$

Connolly

https://www.weather.gov/sandiego
8 follow-up statements
433 
WHUS46 KSGX 101958
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
1258 PM PDT Sun May 10 2020

CAZ552-110515-
/O.CON.KSGX.BH.S.0004.000000T0000Z-200512T0100Z/
Orange County Coastal Areas-
1258 PM PDT Sun May 10 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...

* Surf...3 to 6 feet. Highest surf will be on south facing 
  beaches. 

* Timing...Through Monday afternoon.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions. 

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.

&&

$$


https://www.weather.gov/sandiego
541 
WHUS46 KSGX 110447
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
947 PM PDT Sun May 10 2020

CAZ552-111300-
/O.CON.KSGX.BH.S.0004.000000T0000Z-200512T0100Z/
Orange County Coastal Areas-
947 PM PDT Sun May 10 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...

* Surf...3 to 6 ft. Occasional sets to 7 ft at the favored spots.
  Highest surf will be on south facing beaches. 

* Timing...Through Monday afternoon.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions. 

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.

&&

$$

SS

https://www.weather.gov/sandiego
299 
WHUS46 KSGX 110807
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
107 AM PDT Mon May 11 2020

CAZ552-112130-
/O.CON.KSGX.BH.S.0004.000000T0000Z-200512T0100Z/
Orange County Coastal Areas-
107 AM PDT Mon May 11 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
AFTERNOON...

* Surf...3 to 6 feet. Occasional sets to 7 feet in northern Orange
  County.  

* Timing...Through this afternoon.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions. 

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.

&&

$$


https://www.weather.gov/sandiego
544 
WHUS46 KSGX 111944
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
1244 PM PDT Mon May 11 2020

CAZ552-120515-
/O.EXT.KSGX.BH.S.0004.000000T0000Z-200512T1800Z/
Orange County Coastal Areas-
1244 PM PDT Mon May 11 2020

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH TUESDAY
MORNING...

* Surf...3 to 6 feet. Occasional sets to 7 feet in northern 
  Orange County. 

* Timing...Through Tuesday morning.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions. 

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.

&&

$$


https://www.weather.gov/sandiego
051 
WHUS46 KSGX 120442
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
942 PM PDT Mon May 11 2020


CAZ552-121245-
/O.EXT.KSGX.BH.S.0004.000000T0000Z-200513T0300Z/
Orange County Coastal Areas-
942 PM PDT Mon May 11 2020

...BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH TUESDAY
EVENING...

* Surf...3 to 6 feet on south facing beaches. Occasional sets to 7
  feet on favored breaks.

* Timing...Through Tuesday evening.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions. 

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.

&&

$$

SS

https://www.weather.gov/sandiego
026 
WHUS46 KSGX 120906
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
206 AM PDT Tue May 12 2020

CAZ552-122100-
/O.CON.KSGX.BH.S.0004.000000T0000Z-200513T0300Z/
Orange County Coastal Areas-
206 AM PDT Tue May 12 2020

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

* Surf...3 to 6 feet on south facing beaches. Occasional sets to 
  7 feet on favored breaks. 

* Timing...Through this evening.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions. 

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 expected 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.

&&

$$
169 
WHUS46 KSGX 122053
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
153 PM PDT Tue May 12 2020

CAZ552-130300-
/O.CON.KSGX.BH.S.0004.000000T0000Z-200513T0300Z/
Orange County Coastal Areas-
153 PM PDT Tue May 12 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* Surf...3 to 6 feet on south facing beaches. Occasional sets to 7
  feet. 

* Timing...Through this evening.

* Impacts...Elevated surf, dangerous rip currents, and hazardous 
  swimming conditions. 

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 expected 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.

&&

$$


https://www.weather.gov/sandiego
007 
WHUS46 KSGX 130248
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
748 PM PDT Tue May 12 2020

CAZ552-130400-
/O.EXP.KSGX.BH.S.0004.000000T0000Z-200513T0300Z/
Orange County Coastal Areas-
748 PM PDT Tue May 12 2020

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 8 PM PDT THIS EVENING...

The south swell and associated surf will continue to lower 
tonight and Wednesday. The Beach Hazards Statement will be allowed
to expire at 8 PM.

&&


$$

SS

https://www.weather.gov/sandiego

Nearby

Beach Hazards Statements in California, 2020Every beach hazards statement in 2020

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.