Alert archive / California / Beach Hazards Statements in 2018

Beach Hazards Statement 11, NWS San Diego, CA

November 25, 2018Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Nov 25, 2018, 5:00 PM PST for Orange County, San Diego County, California. It took effect at Nov 27, 2018, 12:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 25, 2018, 5:00 PM PST (01:00 UTC)
In effect from
Nov 27, 2018, 12:00 PM PST
Expired
Nov 27, 2018, 1:41 AM PST
In force
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 01:03 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, 1.0 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 2018-11-26Temperature 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 2018-11-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
1876 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

528 
WHUS46 KSGX 260100
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
500 PM PST Sun Nov 25 2018

...OUTLOOK FOR HIGH SURF AFFECTING ORANGE AND SAN DIEGO COUNTY 
BEACHES TUESDAY AFTERNOON THROUGH FRIDAY EVENING...

.A strong Pacific storm system will come into southern 
California this week bringing a long period west-northwest swell 
from 280-290 degrees. This will create high surf and strong rip 
currents across the area Tuesday through the end of the week. 
Swell and surf are expected to lower into the weekend.

CAZ043-552-261300-
/O.NEW.KSGX.BH.S.0011.181127T2000Z-181201T0600Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
500 PM PST Sun Nov 25 2018

The National Weather Service in San Diego has issued a Beach
Hazards Statement, which is in effect from Tuesday afternoon 
through Friday evening. 

* Surf...5 to 8 ft in Orange County. 6-10 ft in San Diego County.

* Timing...Elevated surf expected to begin late Tuesday afternoon
  with peak surf heights expected on Friday. Surf will lower into
  the weekend.

* Impacts...Increased risk of drowning due to elevated surf and
  strong rip currents. Sneaker waves and other hazards can create
  life-threatening conditions in the surf zone.

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

https://www.weather.gov/sandiego
3 follow-up statements
103 
WHUS46 KSGX 261338
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
538 AM PST Mon Nov 26 2018

...OUTLOOK FOR HIGH SURF AFFECTING ORANGE AND SAN DIEGO COUNTY
BEACHES TUESDAY AFTERNOON THROUGH FRIDAY EVENING...

.A large, long period west-northwest swell from 280-290 degrees
will begin to move into the coastal waters late Tuesday. This 
will create high surf and strong rip currents across the area 
mainly Wednesday through the end of the week. Swell and surf are 
expected to gradually lower over the weekend.

CAZ043-552-270200-
/O.CON.KSGX.BH.S.0011.181127T2000Z-181201T0600Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
538 AM PST Mon Nov 26 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY
AFTERNOON THROUGH FRIDAY EVENING...

* Surf...5 to 8 ft in Orange County. 6-10 ft in San Diego County.

* Timing...Elevated surf expected to begin late Tuesday afternoon,
  peaking late Wednesday and Thursday. Surf will lower over the
  weekend.
 
* Impacts...Increased risk of drowning due to elevated surf and
  strong rip currents. Sneaker waves and other hazards can create
  life-threatening conditions in the surf zone. Minor coastal
  flooding during morning high tides and minor beach erosion are
  possible.

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
675 
WHUS46 KSGX 270156
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
556 PM PST Mon Nov 26 2018

...OUTLOOK FOR HIGH SURF AFFECTING ORANGE AND SAN DIEGO COUNTY
BEACHES TUESDAY AFTERNOON THROUGH FRIDAY EVENING...

.A large, long period west-northwest swell from 280-290 degrees
will begin to move into the coastal waters late Tuesday. This
will create high surf and strong rip currents across the area
mainly Wednesday through the end of the week. Swell and surf are
expected to gradually lower over the weekend.

CAZ043-552-271400-
/O.CON.KSGX.BH.S.0011.181127T2000Z-181201T0600Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
556 PM PST Mon Nov 26 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY
AFTERNOON THROUGH FRIDAY EVENING...

* Surf...5 to 8 ft in Orange County. 6-10 ft in San Diego County.

* Timing...Elevated surf expected to begin late Tuesday 
  afternoon, peaking late Wednesday and Thursday. Surf will 
  lower over the weekend. 

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. Sneaker waves and other hazards can 
  create life-threatening conditions in the surf zone. Minor 
  coastal flooding during morning high tides and minor beach 
  erosion are possible. 

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
357 
WHUS46 KSGX 270941
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
141 AM PST Tue Nov 27 2018

...High Surf Wednesday into the Weekend...

.Large west-northwest swell with a long period will arrive at the
beaches Wednesday and continue through Friday in Orange County 
and through Saturday in San Diego County. This swell will produce
high surf and strong rip currents, leading to hazardous swimming
conditions. Swell and surf will gradually subside over the
weekend.

CAZ043-272200-
/O.CAN.KSGX.BH.S.0011.181127T2000Z-181201T0600Z/
/O.NEW.KSGX.SU.Y.0009.181128T1000Z-181202T0400Z/
San Diego County Coastal Areas-
141 AM PST Tue Nov 27 2018

...HIGH SURF ADVISORY IN EFFECT FROM 2 AM WEDNESDAY TO 8 PM PST
SATURDAY...

The National Weather Service in San Diego has issued a High Surf
Advisory...which is in effect from 2 AM Wednesday to 8 PM PST
Saturday.

* Surf...6-10 feet, with isolated sets to 12 feet in southern San
  Diego County.

* Timing...Surf to build tonight and Wednesday, peak Thursday 
  into Friday morning, and taper off later Friday and Saturday. 

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. Sneaker waves and other hazards can 
  create life-threatening conditions in the surf zone. Minor 
  coastal flooding during morning high tides and minor beach 
  erosion are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area...producing localized beach erosion and
dangerous swimming conditions.

&&

$$

CAZ552-272200-
/O.CAN.KSGX.BH.S.0011.181127T2000Z-181201T0600Z/
/O.NEW.KSGX.SU.Y.0009.181128T1000Z-181201T0600Z/
Orange County Coastal Areas-
141 AM PST Tue Nov 27 2018

...HIGH SURF ADVISORY IN EFFECT FROM 2 AM WEDNESDAY TO 10 PM PST
FRIDAY...

The National Weather Service in San Diego has issued a High Surf
Advisory...which is in effect from 2 AM Wednesday to 10 PM PST
Friday.

* Surf...5-8 feet, with isolated sets to 9 feet.

* Timing...Surf to build tonight and Wednesday, peak Thursday into
  Friday morning, and taper off later Friday. 

* Impacts...Increased risk of drowning due to elevated surf and 
  strong rip currents. Sneaker waves and other hazards can 
  create life-threatening conditions in the surf zone. Minor 
  coastal flooding during morning high tides and minor beach 
  erosion are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area...producing localized beach erosion and
dangerous swimming conditions.

&&

$$

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.