Alert archive / California / Beach Hazards Statements in 2018

Beach Hazards Statement 10, NWS San Diego, CA

October 12, 2018Orange County, California

NWS San Diego, CA issued this beach hazards statement at Oct 12, 2018, 1:35 AM PDT for Orange County, California. It was in force for 68 hr.

The area

The counties it named.

The facts

Issued
Oct 12, 2018, 1:35 AM PDT (08:35 UTC)
Expired
Oct 14, 2018, 10:00 PM PDT
In force
68 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 08:40 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, 8.6 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 2018-10-12Temperature 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 2018-10-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1314 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

782 
WHUS46 KSGX 120835
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
135 AM PDT Fri Oct 12 2018

...ELEVATED SURF AND STRONG RIP CURRENTS THROUGH SUNDAY...

.A moderate period south-southwest swell from 200 degrees
generated by Tropical Storm Sergio will bring elevated surf to 
the Orange and San Diego County beaches today. A reinforcing 
longer period south-southwest swell from 210 degrees building on
Saturday will maintain elevated surf and strong rip currents
through the weekend.

CAZ552-122100-
/O.CAN.KSGX.SU.Y.0008.000000T0000Z-181013T0600Z/
/O.NEW.KSGX.BH.S.0010.181012T0835Z-181015T0500Z/
Orange County Coastal Areas-
135 AM PDT Fri Oct 12 2018

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH SUNDAY EVENING...
...HIGH SURF ADVISORY IS CANCELLED...

The National Weather Service in San Diego has issued a Beach
Hazards Statement...which is in effect through Sunday evening.
The High Surf Advisory has been cancelled. 

* Surf...3 to 5 ft with local sets to 6 ft.

* Timing...Through Sunday evening.

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. 

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.

&&

$$

CAZ043-122100-
/O.EXT.KSGX.BH.S.0009.000000T0000Z-181015T0500Z/
San Diego County Coastal Areas-
135 AM PDT Fri Oct 12 2018

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

* Surf...3-5 FT with local sets to 6 FT. Highest surf north of
  Encinitas.

* Timing...Through Sunday evening.

* Impacts...Increased risk of drowning due to high surf and strong
  rip currents. 

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
6 follow-up statements
077 
WHUS46 KSGX 122035
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
135 PM PDT Fri Oct 12 2018

...ELEVATED SURF AND STRONG RIP CURRENTS THROUGH SUNDAY...

.A moderate period south-southwest swell from 200 degrees
generated by Tropical Storm Sergio will bring elevated surf to
the Orange and San Diego County beaches today. A reinforcing
longer period south-southwest swell from 220 degrees building on 
Saturday will maintain elevated surf and strong rip currents 
through the weekend.

CAZ552-130500-
/O.CON.KSGX.BH.S.0010.000000T0000Z-181015T0500Z/
Orange County Coastal Areas-
135 PM PDT Fri Oct 12 2018

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

* Surf...3 to 5 ft with local sets to 6 ft.

* Timing...Through Sunday evening.

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. 

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.

&&

$$

CAZ043-130500-
/O.CON.KSGX.BH.S.0009.000000T0000Z-181015T0500Z/
San Diego County Coastal Areas-
135 PM PDT Fri Oct 12 2018

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

* Surf...3-5 FT with local sets to 6 FT. Highest surf north of 
  Encinitas. 

* Timing...Through Sunday evening.

* Impacts...Increased risk of drowning due to high surf and 
  strong rip currents. 

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

http://www.weather.gov/sandiego
874 
WHUS46 KSGX 130448
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
948 PM PDT Fri Oct 12 2018

...ELEVATED SURF AND STRONG RIP CURRENTS THROUGH SUNDAY...

...SLIGHT CHANCE OF THUNDERSTORMS THROUGH SATURDAY AFTERNOON...

. A reinforcing long period south-southwest swell from 215 
degrees building on Saturday will maintain elevated surf and 
strong rip currents through the weekend. In addition, a low
pressure system will bring a slight chance of thunderstorms at the
beaches through Saturday afternoon.

CAZ552-131300-
/O.CON.KSGX.BH.S.0010.000000T0000Z-181015T0500Z/
Orange County Coastal Areas-
948 PM PDT Fri Oct 12 2018

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

* Surf...3 to 5 ft with local sets to 6 ft.

* Lightning...Slight chance of thunderstorms at the beaches.

* Timing...Elevated surf through Sunday evening. Thunderstorms at
  times through Saturday afternoon.

* Impacts...Increased risk of drowning due to elevated surf and
  strong rip currents. Unsafe recreational conditions due to risk
  of cloud to ground and cloud to water lightning.

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.

&&

$$

CAZ043-131300-
/O.CON.KSGX.BH.S.0009.000000T0000Z-181015T0500Z/
San Diego County Coastal Areas-
948 PM PDT Fri Oct 12 2018

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

* Surf...3-5 FT with local sets to 6 FT. Highest surf north of 
  Encinitas. 

* Lightning...Slight chance of thunderstorms at the beaches.

* Timing...Elevated surf through Sunday evening. Thunderstorms at
  times through Saturday afternoon.

* Impacts...Increased risk of drowning due to high surf and 
  strong rip currents. Unsafe recreational conditions due to risk
  of cloud to ground and cloud to water lightning.

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
162 
WHUS46 KSGX 131238
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
538 AM PDT Sat Oct 13 2018

...ELEVATED SURF AND STRONG RIP CURRENTS THROUGH SUNDAY...

...SLIGHT CHANCE OF THUNDERSTORMS THROUGH THIS AFTERNOON...

. A reinforcing long period south-southwest swell from
215 degrees building on Saturday will maintain elevated surf and
strong rip currents through the weekend. In addition, a low
pressure system will bring a slight chance of thunderstorms at
the beaches late this morning through the afternoon.

CAZ552-132045-
/O.CON.KSGX.BH.S.0010.000000T0000Z-181015T0500Z/
Orange County Coastal Areas-
538 AM PDT Sat Oct 13 2018

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

* Surf...3 to 5 ft with local sets to 6 ft.

* Lightning...Slight chance of thunderstorms at the beaches,
  mainly during the late morning and afternoon.

* Timing...Elevated surf through Sunday evening. Thunderstorms at
  times through this afternoon. 

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. Unsafe recreational conditions due to 
  risk of cloud to ground and cloud to water lightning. 

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.

&&

$$

CAZ043-132045-
/O.CON.KSGX.BH.S.0009.000000T0000Z-181015T0500Z/
San Diego County Coastal Areas-
538 AM PDT Sat Oct 13 2018

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

* Surf...3-5 FT with local sets to 6 FT. Highest surf north of 
  Encinitas. 

* Lightning...Slight chance of thunderstorms at the beaches,
  mainly during the late morning and afternoon.

* Timing...Elevated surf through Sunday evening. Thunderstorms at
  times through this afternoon. 

* Impacts...Increased risk of drowning due to high surf and 
  strong rip currents. Unsafe recreational conditions due to 
  risk of cloud to ground and cloud to water lightning. 

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
493 
WHUS46 KSGX 132033
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
133 PM PDT Sat Oct 13 2018

...ELEVATED SURF AND STRONG RIP CURRENTS THROUGH SUNDAY...

...SLIGHT CHANCE OF THUNDERSTORMS THROUGH THIS AFTERNOON...

A reinforcing long period south-southwest swell from 215 degrees 
building today will maintain elevated surf and strong rip 
currents through the weekend. In addition, a low pressure system 
will bring a slight chance of thunderstorms at the beaches through
this afternoon.

CAZ552-140445-
/O.CON.KSGX.BH.S.0010.000000T0000Z-181015T0500Z/
Orange County Coastal Areas-
133 PM PDT Sat Oct 13 2018

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

* Surf...3 to 5 ft with local sets to 6 ft.

* Lightning...Slight chance of thunderstorms at the beaches
  through this afternoon. 

* Timing...Elevated surf through Sunday evening. Thunderstorms
  possible through this afternoon. 

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. Unsafe recreational conditions due to 
  risk of cloud to ground and cloud to water lightning. 

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.

&&

$$

CAZ043-140445-
/O.CON.KSGX.BH.S.0009.000000T0000Z-181015T0500Z/
San Diego County Coastal Areas-
133 PM PDT Sat Oct 13 2018

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

* Surf...3 to 5 ft with local sets to 6 ft. Highest surf north of
  Encinitas. 

* Lightning...Slight chance of thunderstorms at the beaches
  through this afternoon. 

* Timing...Elevated surf through Sunday evening. Thunderstorms 
  at times through this afternoon. 

* Impacts...Increased risk of drowning due to high surf and 
  strong rip currents. Unsafe recreational conditions due to 
  risk of cloud to ground and cloud to water lightning. 

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

http://www.weather.gov/sandiego
351 
WHUS46 KSGX 140150
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
650 PM PDT Sat Oct 13 2018


CAZ552-141300-
/O.CON.KSGX.BH.S.0010.000000T0000Z-181015T0500Z/
Orange County Coastal Areas-
650 PM PDT Sat Oct 13 2018

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

* Surf...3 to 5 ft with local sets to 6 ft.

* Timing...Elevated surf through Sunday evening. 

* Impacts...Increased risk of drowning due to elevated surf and
  strong rip currents.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued when threats such as strong
rip currents...elevated surf heights...minor tidal overflow. 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.

&&

$$

CAZ043-141300-
/O.CON.KSGX.BH.S.0009.000000T0000Z-181015T0500Z/
San Diego County Coastal Areas-
650 PM PDT Sat Oct 13 2018

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

* Surf...3 to 5 ft with local sets to 6 ft. Highest surf north of
  Encinitas. 

* Timing...Elevated surf through Sunday evening.

* Impacts...Increased risk of drowning due to high surf and strong
  rip currents.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued when threats such as strong
rip currents...elevated surf heights...minor tidal overflow. 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.

&&

$$
Rodriguez

http://www.weather.gov/sandiego
839 
WHUS46 KSGX 141226
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
526 AM PDT Sun Oct 14 2018

...ELEVATED SURF AND STRONG RIP CURRENTS THROUGH THIS EVENING...

.A long period south-southwest swell from 210-220 degrees will
generate elevated surf and strong rip currents through this
evening. Swell and surf will lower on Monday.

CAZ552-150500-
/O.CON.KSGX.BH.S.0010.000000T0000Z-181015T0500Z/
Orange County Coastal Areas-
526 AM PDT Sun Oct 14 2018

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

* Surf...3 to 5 ft with local sets to 6 ft.

* Timing...Elevated surf through this evening.

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued when threats such as strong
rip currents...elevated surf heights...minor tidal overflow. 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.

&&

$$

CAZ043-150500-
/O.CON.KSGX.BH.S.0009.000000T0000Z-181015T0500Z/
San Diego County Coastal Areas-
526 AM PDT Sun Oct 14 2018

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

* Surf...3 to 5 ft with local sets to 6 ft. Highest surf north 
  of Encinitas. 

* Timing...Elevated surf through this evening.

* Impacts...Increased risk of drowning due to high surf and 
  strong rip currents. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A beach hazards statement is issued when threats such as strong
rip currents...elevated surf heights...minor tidal overflow. 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

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 1:07 PM PDTFire Weather WatchSGXOrange, Riverside, San Bernardino, San Diego25 hr

Nearby

Beach Hazards Statements in California, 2018Every beach hazards statement in 2018

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.