Alert archive / California / Beach Hazards Statements in 2018

Beach Hazards Statement 1, NWS San Diego, CA

January 13, 2018Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Jan 13, 2018, 1:15 PM PST for Orange County, San Diego County, California. It took effect at Jan 15, 2018, 12:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 13, 2018, 1:15 PM PST (21:15 UTC)
In effect from
Jan 15, 2018, 12:00 PM PST
Expired
Jan 14, 2018, 7:35 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 21:18 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, 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 12:00Z on 2018-01-13Temperature 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 2018-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
3038 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

703 
WHUS46 KSGX 132115
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
115 PM PST Sat Jan 13 2018


CAZ043-552-142200-
/O.NEW.KSGX.BH.S.0001.180115T2000Z-180118T0400Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
115 PM PST Sat Jan 13 2018

...BEACH HAZARDS STATEMENT IN EFFECT FROM MONDAY AFTERNOON
THROUGH WEDNESDAY EVENING...

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

* What...A long period westerly swell will likely bring high surf
  to the beaches of Orange and San Diego Counties this week.

* When...Surf should build rapidly Monday afternoon, peak Tuesday
  and Wednesday, then fade some Thursday.

* Where...The beaches of Orange and San Diego Counties. Highest
  sets along west facing beaches.

* Possible Impacts...High to very high surf, very strong rip
  currents, waves overtopping jetties and coastal rock formations,
  sneaker waves, minor coastal flooding possible during high tides
  and minor beach erosion.

* Outlook...There is a strong likelihood that a High Surf Advisory 
  will be needed Monday afternoon at least Wednesday evening.

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. They may also be used as
outlooks for high surf events.

&&

$$

Albright
2 follow-up statements
442 
WHUS46 KSGX 141010
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
210 AM PST Sun Jan 14 2018

...HIGH SURF LATE MONDAY THROUGH WEDNESDAY...

CAZ043-552-142200-
/O.CON.KSGX.BH.S.0001.180115T2000Z-180118T0400Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
210 AM PST Sun Jan 14 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM MONDAY
AFTERNOON THROUGH WEDNESDAY EVENING...

* What...High surf likely this week. Surf as high as 10-12 ft will
  be possible.

* When...Beginning late Monday afternoon, peaking Tuesday and
  Wednesday, then fading Thursday. 

* Where...The beaches of Orange and San Diego Counties. Highest
  sets on exposed west-facing beaches. 

* Possible Impacts...Large breaking waves, very strong rip
  currents, waves overtopping jetties and coastal rock formations,
  sneaker waves, minor coastal flooding during high tides and 
  minor beach erosion. 

* Outlook...Surf will slowly subside Thursday. 

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. They may also be used as
outlooks for high surf events.

&&

$$


http://www.weather.gov/sandiego
519 
WHUS46 KSGX 141535
CFWSGX

Coastal Hazard Message
National Weather Service San Diego CA
735 AM PST Sun Jan 14 2018

CAZ043-552-142345-
/O.CAN.KSGX.BH.S.0001.180115T2000Z-180118T0400Z/
/O.NEW.KSGX.SU.Y.0002.180115T1800Z-180118T1400Z/
San Diego County Coastal Areas-Orange County Coastal Areas-
735 AM PST Sun Jan 14 2018

...HIGH SURF ADVISORY IN EFFECT FROM 10 AM MONDAY TO 6 AM PST
THURSDAY...

The National Weather Service in San Diego has upgraded the Beach
Hazard Statement to a High Surf Advisory...which is in effect 
from 10 AM Monday to 6 AM PST Thursday.

* What...A large long period west swell to bring the highest surf
  of the winter season thus far to the beaches of Orange and San
  Diego Counties.

* Timing...Rapidly building surf on Monday, with peak surf heights
  Monday evening through Tuesday night, slowly fading Wednesday and 
  Thursday.

* Surf...Orange County - Monday: Building to 6-8 ft with sets to 10 ft
                         Tuesday: 6-9 ft with sets to 12 ft
                         Wednesday: 5-8 ft with sets to 10 ft
                         Thursday: 4-6 ft with sets to 8 ft

      San Diego County - Monday: Building to 6-9 ft with sets to 12 ft
                         Tuesday: 6-10 ft with sets to 15 ft
                         Wednesday: 5-9 ft with sets to 12 ft
                         Thursday: 4-6 ft with sets to 9 ft 

* Tides...Monday: 5.70 ft at 7:40 AM
          Tuesday: 5.80 ft at 8:10 AM
          Wednesday: 5.75 ft at 8:40 AM
          Thursday: 5.60 ft at 9:10 AM

* Impacts...Large breaking waves, very strong rip currents, waves
  overtopping jetties and coastal rock formations, sneaker waves,
  minor coastal flooding during high tides and beach erosion. Swimming 
  is not advised for inexperienced swimmers.

* Outlook...Though the surf should fade some Thursday, there is
  the potential for high surf to continue into next weekend with
  the arrival of a new westerly swell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Albright

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 3:09 AM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego11 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.