Alert archive / California / Beach Hazards Statements in 2012

Beach Hazards Statement 10, NWS San Francisco Bay Area, CA

September 25, 2012Monterey County, Santa Cruz County, California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Sep 25, 2012, 3:29 PM PDT for Monterey County, Santa Cruz County, California. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Sep 25, 2012, 3:29 PM PDT (22:29 UTC)
Expired
Sep 25, 2012, 9:00 PM PDT
In force
6 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Monterey County, CA, Santa Cruz County, CA

The radar

The San Francisco radar (KMUX), 62 km from the middle of the area, began a volume at 22:33 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

Oakland, CA (KOAK), launched 12:00Z, 10.5 hours before the alert went out and 131 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, Oakland, CA at 12:00Z on 2012-09-25Temperature 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, Oakland, CA at 12:00Z on 2012-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 square meters per square second.193958Sfc1 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
1738 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
-24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

167 
WHUS46 KMTR 252230
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
330 PM PDT TUE SEP 25 2012

...A BEACH HAZARD STATEMENT IS IN EFFECT FOR SELECT MONTEREY BAY
AREA BEACHES...

A LONG PERIOD WESTERLY SWELL CAPABLE OF PRODUCING STRONG RIP
CURRENTS AND LOCALLY LARGE SURF WILL CONTINUE TO AFFECT THE
COASTAL WATERS THROUGH THIS EVENING. THEREFORE A BEACH HAZARD
STATEMENT HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG RIP
CURRENTS AT WEST FACING BEACHES.

CAZ530-260400-
/O.EXP.KMTR.BH.S.0009.000000T0000Z-120925T2200Z/
/O.NEW.KMTR.BH.S.0010.120925T2229Z-120926T0400Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
330 PM PDT TUE SEP 25 2012

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR MARINA STATE BEACH...WHICH
IS IN EFFECT UNTIL 9 PM PDT THIS EVENING.

* LOCATION...MARINA STATE BEACH.

* TIMING...THROUGH THIS EVENING.

* IMPACTS...STRONG THAN NORMAL RIP CURRENTS AND LARGER THAN
  NORMAL SURF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS
CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY
INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG
LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH 
COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES 
ON THE OCEAN.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$

CAZ529-260400-
/O.NEW.KMTR.BH.S.0010.120925T2229Z-120926T0400Z/
NORTHERN MONTEREY BAY-
330 PM PDT TUE SEP 25 2012

...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA 
HAS ISSUED A BEACH HAZARDS STATEMENT FOR MANRESA STATE BEACH...
WHICH IS IN EFFECT UNTIL 9 PM PDT THIS EVENING.

* LOCATION...MANRESA STATE BEACH.

* TIMING...THROUGH THIS EVENING.

* IMPACTS...STRONG THAN NORMAL RIP CURRENTS AND LARGER THAN
  NORMAL SURF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS 
CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY
INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG 
LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH 
COULD BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES 
ON THE OCEAN.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO
1 follow-up statement
147 
WHUS46 KMTR 252232
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
332 PM PDT TUE SEP 25 2012

...A BEACH HAZARD STATEMENT IS IN EFFECT FOR SELECT MONTEREY BAY
AREA BEACHES...

A LONG PERIOD WESTERLY SWELL CAPABLE OF PRODUCING STRONG RIP
CURRENTS AND LOCALLY LARGE SURF WILL CONTINUE TO AFFECT THE
COASTAL WATERS THROUGH THIS EVENING. THEREFORE A BEACH HAZARD
STATEMENT HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG RIP
CURRENTS AT WEST FACING BEACHES.

CAZ529-260400-
/O.CON.KMTR.BH.S.0010.000000T0000Z-120926T0400Z/
NORTHERN MONTEREY BAY-
332 PM PDT TUE SEP 25 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* LOCATION...MANRESA STATE BEACH.

* TIMING...THROUGH THIS EVENING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND LARGER THAN 
  NORMAL SURF. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS
CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY
INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG
LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD
BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE
OCEAN.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$

CAZ530-260400-
/O.CON.KMTR.BH.S.0010.000000T0000Z-120926T0400Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
332 PM PDT TUE SEP 25 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* LOCATION...MARINA STATE BEACH.

* TIMING...THROUGH THIS EVENING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND LARGER THAN 
  NORMAL SURF. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT MEANS THE POTENTIALLY DANGEROUS
CONDITIONS MAY EXIST ON SPECIFIC BEACHES. THESE HAZARDS MAY
INCLUDE LARGE SHORE BREAK...STRONG RIP CURRENTS...STRONG
LONGSHORE CURRENTS AND POSSIBLY SNEAKER WAVES. ALL OF WHICH COULD
BE LIFE THREATENING. BE SURE TO ALWAYS KEEP YOUR EYES ON THE
OCEAN.

PLEASE VISIT THE FOLLOWING WEBSITE TO SHARE YOUR THOUGHTS ON THE
NEW BEACH HAZARDS STATEMENT...

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=CHMBHS.

&&

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 24, 9:29 PM PDTSmall Craft Advisory for Rough BarMTR17 hr
Sep 25, 2:22 AM PDTSmall Craft AdvisoryMTR31 hr

Nearby

Beach Hazards Statements in California, 2012Every beach hazards statement in 2012

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.