Alert archive / California / Beach Hazards Statements in 2017

Beach Hazards Statement 15, NWS San Diego, CA

August 18, 2017Orange County, San Diego County, California

NWS San Diego, CA issued this beach hazards statement at Aug 18, 2017, 1:43 PM PDT for Orange County, San Diego County, California. It took effect at Aug 19, 2017, 5:00 PM PDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Aug 18, 2017, 1:43 PM PDT (20:43 UTC)
In effect from
Aug 19, 2017, 5:00 PM PDT
Expired
Aug 21, 2017, 12:00 AM PDT
In force
31 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 20:42 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, 8.7 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 2017-08-18Temperature 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 2017-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
1216 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

644 
WHUS46 KSGX 182043
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
143 PM PDT FRI AUG 18 2017

CAZ043-552-190500-
/O.NEW.KSGX.BH.S.0015.170820T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
143 PM PDT FRI AUG 18 2017

...BEACH HAZARDS STATEMENT IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A BEACH
HAZARDS STATEMENT...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON
THROUGH SUNDAY EVENING. 

* LARGE HIGH TIDES...MINOR TIDAL OVERFLOWS AND BEACH EROSION WILL
  BE POSSIBLE DUE TO A LARGE HIGH TIDE FORECAST AROUND 7 FEET 
  SATURDAY AND SUNDAY EVENINGS, BETWEEN 8 AND 9 PM. 

* IMPACTS...MINOR TIDAL OVERFLOWS AND BEACH EROSION COULD BRING
  STANDING WATER TO BEACH AND HARBOR AREAS, INCLUDING PARKING LOTS
  AND ADJACENT ACCESS ROADS THAT NORMALLY DO NOT EXPERIENCE OVERFLOWS
  DURING HIGH TIDE.

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.

&&

$$

JMB

WEATHER.GOV/SANDIEGO
7 follow-up statements
900 
WHUS46 KSGX 190432
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
932 PM PDT FRI AUG 18 2017

CAZ043-552-191300-
/O.CON.KSGX.BH.S.0015.170820T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
932 PM PDT FRI AUG 18 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SATURDAY
AFTERNOON THROUGH SUNDAY EVENING...

* LARGE HIGH TIDES...MINOR TIDAL OVERFLOWS AND BEACH EROSION 
  WILL BE POSSIBLE DUE TO A LARGE HIGH TIDE FORECAST AROUND 7 
  FEET SATURDAY AND SUNDAY EVENINGS, BETWEEN 8 AND 9 PM. 

* IMPACTS...MINOR TIDAL OVERFLOWS AND BEACH EROSION COULD BRING 
  STANDING WATER TO BEACH AND HARBOR AREAS, INCLUDING PARKING 
  LOTS AND ADJACENT ACCESS ROADS THAT NORMALLY DO NOT EXPERIENCE 
  OVERFLOWS DURING HIGH TIDE. 

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.

&&

$$

JJT

HTTP://WWW.WEATHER.GOV/SANDIEGO
967 
WHUS46 KSGX 191209
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
509 AM PDT SAT AUG 19 2017

...MINOR TIDAL OVERFLOW POSSIBLE AND STRONG RIP CURRENTS
THROUGH SUNDAY EVENING...

ASTRONOMICAL HIGH TIDES NEAR 7 FEET MAY RESULT IN TIDAL OVERFLOW
AT LOW LYING BEACH AREAS EACH EVENING THROUGH SUNDAY EVENING. IN
ADDITION...ELEVATED SURF WILL GENERATE STRONG RIP CURRENTS ON
SOUTHWEST FACING BEACHES THIS WEEKEND.

CAZ043-552-200500-
/O.CON.KSGX.BH.S.0015.170820T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
509 AM PDT SAT AUG 19 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 PM PDT THIS
AFTERNOON THROUGH SUNDAY EVENING...

* TIDAL OVERFLOW...MINOR TIDAL OVERFLOW IS POSSIBLE DUE TO
  ASTRONOMICAL HIGH TIDES OF 6.5 TO 6.8 FT THIS EVENING AND AGAIN
  SUNDAY EVENING BETWEEN 8 AND 9 PM.

* SURF...ELEVATED SURF OF 3 TO 5 FT ON SOUTHWEST FACING BEACHES
  WILL CREATE STRONG RIP CURRENTS AND DANGEROUS SWIMMING
  CONDITIONS.
 
* IMPACTS...MINOR TIDAL OVERFLOWS AND BEACH EROSION COULD BRING
  STANDING WATER TO BEACH AND HARBOR AREAS, INCLUDING PARKING LOTS
  AND ADJACENT ACCESS ROADS THAT NORMALLY DO NOT EXPERIENCE
  OVERFLOWS DURING HIGH TIDE. STRONG RIP CURRENTS WILL CREATE
  DANGEROUS 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

HTTP://WWW.WEATHER.GOV/SANDIEGO
110 
WHUS46 KSGX 192056
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
156 PM PDT SAT AUG 19 2017

...MINOR TIDAL OVERFLOW POSSIBLE AND STRONG RIP CURRENTS THROUGH
SUNDAY EVENING...

ASTRONOMICAL HIGH TIDES NEAR 7 FEET MAY RESULT IN TIDAL OVERFLOW
AT LOW LYING BEACH AREAS THIS EVENING AND SUNDAY EVENING. IN 
ADDITION...ELEVATED SURF WILL GENERATE STRONG RIP CURRENTS ON 
SOUTHWEST FACING BEACHES THIS WEEKEND.

CAZ043-552-200500-
/O.CON.KSGX.BH.S.0015.170820T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
156 PM PDT SAT AUG 19 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 PM PDT THIS
AFTERNOON THROUGH SUNDAY EVENING...

* TIDAL OVERFLOW...MINOR TIDAL OVERFLOW IS POSSIBLE DUE TO 
  ASTRONOMICAL HIGH TIDES OF 6.5 TO 6.8 FT THIS EVENING AND 
  AGAIN SUNDAY EVENING BETWEEN 8 AND 9 PM. 

* SURF...ELEVATED SURF OF 3 TO 5 FT ON SOUTHWEST FACING BEACHES 
  WILL CREATE STRONG RIP CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS. 

* IMPACTS...MINOR TIDAL OVERFLOWS AND BEACH EROSION COULD BRING 
  STANDING WATER TO BEACH AND HARBOR AREAS, INCLUDING PARKING 
  LOTS AND ADJACENT ACCESS ROADS THAT NORMALLY DO NOT EXPERIENCE 
  OVERFLOWS DURING HIGH TIDE. STRONG RIP CURRENTS WILL CREATE 
  DANGEROUS 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.

&&

$$

JMB

WEATHER.GOV/SANDIEGO
529 
WHUS46 KSGX 200435
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
935 PM PDT SAT AUG 19 2017

...MINOR TIDAL OVERFLOW POSSIBLE AND STRONG RIP CURRENTS THROUGH
SUNDAY EVENING...

AN ASTRONOMICAL HIGH TIDE NEAR 6.7 FEET MAY RESULT IN TIDAL 
OVERFLOW SUNDAY EVENING. IN ADDITION...ELEVATED SURF WILL 
GENERATE STRONG RIP CURRENTS ON SOUTHWEST FACING BEACHES THIS 
WEEKEND.

CAZ043-552-201345-
/O.CON.KSGX.BH.S.0015.000000T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
935 PM PDT SAT AUG 19 2017

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

* TIDAL OVERFLOW...MINOR TIDAL OVERFLOW IS POSSIBLE DUE TO
  ASTRONOMICAL HIGH TIDES OF 6.7 FT SUNDAY EVENING BETWEEN 8 AND 
  9 PM. 

* SURF...ELEVATED SURF OF 3 TO 5 FT ON SOUTHWEST FACING BEACHES 
  WILL CREATE STRONG RIP CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS. 

* IMPACTS...MINOR TIDAL OVERFLOWS AND BEACH EROSION COULD BRING 
  STANDING WATER TO BEACH AND HARBOR AREAS, INCLUDING PARKING 
  LOTS AND ADJACENT ACCESS ROADS THAT NORMALLY DO NOT EXPERIENCE 
  OVERFLOWS DURING HIGH TIDE. STRONG RIP CURRENTS WILL CREATE 
  DANGEROUS 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.

&&

$$

ALBRIGHT
444 
WHUS46 KSGX 201221
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
521 AM PDT SUN AUG 20 2017

...MINOR TIDAL OVERFLOW POSSIBLE AND STRONG RIP CURRENTS THROUGH
THIS EVENING...

AN ASTRONOMICAL HIGH TIDE NEAR 6.7 FEET MAY RESULT IN TIDAL
OVERFLOW THIS EVENING. IN ADDITION...ELEVATED SURF WILL GENERATE 
STRONG RIP CURRENTS ON SOUTHWEST FACING BEACHES TODAY.

CAZ043-552-210100-
/O.CON.KSGX.BH.S.0015.000000T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
521 AM PDT SUN AUG 20 2017

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

* TIDAL OVERFLOW...MINOR TIDAL OVERFLOW IS POSSIBLE DUE TO
  ASTRONOMICAL HIGH TIDES OF 6.7 FT THIS EVENING BETWEEN 8 AND 9
  PM.

* SURF...ELEVATED SURF OF 3 TO 5 FT ON SOUTHWEST FACING BEACHES 
  WILL CREATE STRONG RIP CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS. 

* IMPACTS...MINOR TIDAL OVERFLOWS AND BEACH EROSION COULD BRING 
  STANDING WATER TO BEACH AND HARBOR AREAS, INCLUDING PARKING 
  LOTS AND ADJACENT ACCESS ROADS THAT NORMALLY DO NOT EXPERIENCE 
  OVERFLOWS DURING HIGH TIDE. STRONG RIP CURRENTS WILL CREATE 
  DANGEROUS 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

HTTP://WWW.WEATHER.GOV/SANDIEGO
207 
WHUS46 KSGX 210215
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
715 PM PDT SUN AUG 20 2017

...MINOR TIDAL OVERFLOW POSSIBLE AND STRONG RIP CURRENTS THROUGH
THIS EVENING...

AN ASTRONOMICAL HIGH TIDE NEAR 6.7 FEET MAY RESULT IN TIDAL
OVERFLOW THIS EVENING. IN ADDITION...ELEVATED SURF WILL GENERATE
STRONG RIP CURRENTS ON SOUTHWEST FACING BEACHES.

CAZ043-552-210700-
/O.CON.KSGX.BH.S.0015.000000T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
715 PM PDT SUN AUG 20 2017

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...

* TIDAL OVERFLOW...MINOR TIDAL OVERFLOW IS POSSIBLE DUE TO 
  ASTRONOMICAL HIGH TIDES OF 6.7 FT THIS EVENING BETWEEN 8 AND 9 
  PM. 

* SURF...ELEVATED SURF OF 3 TO 5 FT ON SOUTHWEST FACING BEACHES 
  WILL CREATE STRONG RIP CURRENTS AND DANGEROUS SWIMMING 
  CONDITIONS. 

* IMPACTS...MINOR TIDAL OVERFLOWS AND BEACH EROSION COULD BRING 
  STANDING WATER TO BEACH AND HARBOR AREAS, INCLUDING PARKING 
  LOTS AND ADJACENT ACCESS ROADS THAT NORMALLY DO NOT EXPERIENCE 
  OVERFLOWS DURING HIGH TIDE. STRONG RIP CURRENTS WILL CREATE 
  DANGEROUS 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.

&&

$$

ALBRIGHT
573 
WHUS46 KSGX 210655
CFWSGX

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1155 PM PDT SUN AUG 20 2017

CAZ043-552-210800-
/O.EXP.KSGX.BH.S.0015.000000T0000Z-170821T0700Z/
SAN DIEGO COUNTY COASTAL AREAS-ORANGE COUNTY COASTAL AREAS-
1155 PM PDT SUN AUG 20 2017

...BEACH HAZARDS STATEMENT WILL EXPIRE AT MIDNIGHT...

TIDES ARE LOWERING AND THE BEACH HAZARDS STATEMENT WILL BE ALLOWED
TO EXPIRE AT MIDNIGHT.

$$

SS

HTTP://WWW.WEATHER.GOV/SANDIEGO

Nearby

Beach Hazards Statements in California, 2017Every beach hazards statement in 2017

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.