Alert archive / California / Beach Hazards Statements in 2020

Beach Hazards Statement 3, NWS San Diego, CA

March 10, 2020Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Mar 10, 2020, 2:18 AM PDT for Orange County, San Diego County, California. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Mar 10, 2020, 2:18 AM PDT (09:18 UTC)
Expired
Mar 11, 2020, 2:19 AM PDT
In force
24 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 09:20 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, 9.3 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 00:00Z on 2020-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2020-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
1734 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

389 
WHUS46 KSGX 100918
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
218 AM PDT Tue Mar 10 2020

CAZ043-552-102000-
/O.NEW.KSGX.BH.S.0003.200310T0918Z-200311T1500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
218 AM PDT Tue Mar 10 2020

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH WEDNESDAY MORNING...

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

* Surf...3 to 5 feet with local sets to 6 feet mainly over Orange
  and northern San Diego County beaches. 

* Timing...Surf increasing today and peaking tonight and early
  Wednesday. 

* Impacts...Gusty winds and waves will result in elevated surf,
  dangerous rip currents, and hazardous swimming conditions. In
  addition, isolated thunderstorms are expected through early
  Wednesday morning with the potential for lightning strikes to 
  impact the beaches if a thunderstorm does occur. 

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
3 follow-up statements
443 
WHUS46 KSGX 102156
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
256 PM PDT Tue Mar 10 2020

CAZ043-552-110600-
/O.CON.KSGX.BH.S.0003.000000T0000Z-200311T1500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
256 PM PDT Tue Mar 10 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY
MORNING...

* Surf...3 to 5 feet with local sets to 6 feet mainly over 
  Orange and northern San Diego County beaches. 

* Timing...Surf will continue through Thursday, though the 
  lightning threat will diminish after Wednesday morning. 

* Impacts...The elevated waves will result in elevated surf, 
  dangerous rip currents, and hazardous swimming conditions. In 
  addition, isolated thunderstorms are expected through early 
  Wednesday morning with the potential for lightning strikes to 
  impact the beaches if a thunderstorm does occur. 

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
754 
WHUS46 KSGX 110451
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
951 PM PDT Tue Mar 10 2020

CAZ043-552-111300-
/O.CON.KSGX.BH.S.0003.000000T0000Z-200311T1500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
951 PM PDT Tue Mar 10 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 AM PDT
WEDNESDAY...

* Surf...3 to 5 feet with local sets to 6 feet mainly over 
  Orange and northern San Diego County beaches. 

* Timing...Through early Wednesday morning. 

* Impacts...The elevated waves will result in elevated surf,
  dangerous rip currents, and hazardous swimming conditions. The
  lightning threat has mostly diminished.

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
584 
WHUS46 KSGX 110919
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
219 AM PDT Wed Mar 11 2020

CAZ043-552-111030-
/O.CAN.KSGX.BH.S.0003.000000T0000Z-200311T1500Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
219 AM PDT Wed Mar 11 2020

...BEACH HAZARDS STATEMENT IS CANCELLED...

The National Weather Service in San Diego has cancelled the Beach
Hazards Statement. 

Beach conditions are no longer expected to be hazardous regarding
lightning or high surf.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 9:05 PM PDTSmall Craft AdvisorySGX16 hr

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.