Alert archive / California / Beach Hazards Statements in 2012

Beach Hazards Statement 11, NWS San Francisco Bay Area, CA

September 28, 2012Monterey County, Santa Cruz County, California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Sep 28, 2012, 2:23 PM PDT for Monterey County, Santa Cruz County, California. It took effect at Sep 29, 2012, 5:00 AM PDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Sep 28, 2012, 2:23 PM PDT (21:23 UTC)
In effect from
Sep 29, 2012, 5:00 AM PDT
Expired
Oct 1, 2012, 5:00 AM PDT
In force
48 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 21:23 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, 9.4 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 2012-09-28Temperature 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 2012-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1692 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
81 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.

491 
WHUS46 KMTR 282123
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
223 PM PDT FRI SEP 28 2012

...A BEACH HAZARD STATEMENT IS IN EFFECT FOR SELECT MONTEREY BAY
AREA BEACHES FROM SATURDAY MORNING THROUGH MONDAY MORNING...

.A LONG PERIOD NORTHWEST SWELL AS WELL AS A LONG PERIOD SOUTH
SWELL WILL BE CAPABLE OF PRODUCING STRONG RIP CURRENTS AND LOCALLY
LARGE SHORE BREAKS. THEREFORE A BEACH HAZARD STATEMENT HAS BEEN
ISSUED FOR A HEIGHTENED RISK OF STRONG RIP CURRENTS AT SOUTH
FACING AND NORTHWEST FACING BEACHES.

CAZ529-292130-
/O.NEW.KMTR.BH.S.0011.120929T1200Z-121001T1200Z/
NORTHERN MONTEREY BAY-
223 PM PDT FRI SEP 28 2012

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR AN ENHANCED RISK FOR RIP
CURRENTS AND LARGE SHORE BREAKS...WHICH IS IN EFFECT FROM LATE
TONIGHT THROUGH LATE SUNDAY NIGHT.

* LOCATION...NATURAL BRIDGES STATE BEACH...SANTA CRUZ BOARDWALK
  STATE BEACH...AND TWIN LAKES STATE BEACH.

* TIMING...LATE TONIGHT THROUGH SUNDAY NIGHT.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY
  LARGE SHORE BREAKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

CAZ530-292130-
/O.NEW.KMTR.BH.S.0011.120929T1200Z-121001T1200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
223 PM PDT FRI SEP 28 2012

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
LATE SUNDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR AN ENHANCED RISK FOR RIP
CURRENTS AND LARGE SHORE BREAKS... WHICH IS IN EFFECT FROM
LATE TONIGHT THROUGH LATE SUNDAY NIGHT.

* LOCATION...MARINA STATE BEACH...MONTEREY STATE BEACH...AND
  ASILOMAR STATE BEACH.

* TIMING...LATE TONIGHT THROUGH SUNDAY NIGHT.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY
  LARGE SHORE BREAKS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
5 follow-up statements
877 
WHUS46 KMTR 282146
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
246 PM PDT FRI SEP 28 2012

...A BEACH HAZARD STATEMENT IS IN EFFECT FOR SELECT MONTEREY BAY
AREA BEACHES FROM LATE TONIGHT THROUGH SUNDAY NIGHT...

.A LONG PERIOD NORTHWEST SWELL AS WELL AS A LONG PERIOD SOUTH
SWELL WILL BE CAPABLE OF PRODUCING STRONG RIP CURRENTS AND
LOCALLY LARGE SHORE BREAKS. THEREFORE A BEACH HAZARD STATEMENT
HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG RIP CURRENTS AT
SOUTH FACING AND NORTHWEST FACING BEACHES.

CAZ529-292200-
/O.CON.KMTR.BH.S.0011.120929T1200Z-121001T1200Z/
NORTHERN MONTEREY BAY-
246 PM PDT FRI SEP 28 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH LATE SUNDAY NIGHT...

* LOCATION...NATURAL BRIDGES STATE BEACH...SANTA CRUZ BOARDWALK 
  STATE BEACH...AND TWIN LAKES STATE BEACH. 

* TIMING...LATE TONIGHT THROUGH SUNDAY NIGHT.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

CAZ530-292200-
/O.CON.KMTR.BH.S.0011.120929T1200Z-121001T1200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
246 PM PDT FRI SEP 28 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH LATE SUNDAY NIGHT...

* LOCATION...MARINA STATE BEACH...MONTEREY STATE BEACH...AND 
  ASILOMAR STATE BEACH. 

* TIMING...LATE TONIGHT THROUGH SUNDAY NIGHT.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
800 
WHUS46 KMTR 282236
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
336 PM PDT FRI SEP 28 2012

...A BEACH HAZARD STATEMENT IS IN EFFECT FOR SELECT MONTEREY BAY
AREA BEACHES FROM EARLY SATURDAY MORNING THROUGH EARLY MONDAY
MORNING...

.A LONG PERIOD NORTHWEST SWELL AS WELL AS A LONG PERIOD SOUTH
SWELL WILL ARRIVE ALONG THE COAST BY EARLY SATURDAY MORNING. THESE
SWELL WILL BE CAPABLE OF PRODUCING STRONG RIP CURRENTS AND LOCALLY
LARGE SHORE BREAKS. THEREFORE A BEACH HAZARD STATEMENT HAS BEEN
ISSUED FOR A HEIGHTENED RISK OF STRONG RIP CURRENTS AT BOTH SOUTH
FACING BEACHES AND NORTHWEST FACING BEACHES.

CAZ529-292200-
/O.CON.KMTR.BH.S.0011.120929T1200Z-121001T1200Z/
NORTHERN MONTEREY BAY-
336 PM PDT FRI SEP 28 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM EARLY SATURDAY
MORNING THROUGH EARLY MONDAY MORNING...

* LOCATION...NATURAL BRIDGES STATE BEACH...SANTA CRUZ BOARDWALK 
  STATE BEACH...AND TWIN LAKES STATE BEACH. 

* TIMING...EARLY SATURDAY MORNING THROUGH EARLY MONDAY MORNING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

CAZ530-292200-
/O.CON.KMTR.BH.S.0011.120929T1200Z-121001T1200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
336 PM PDT FRI SEP 28 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM EARLY SATURDAY
MORNING THROUGH EARLY MONDAY MORNING...

* LOCATION...MARINA STATE BEACH...MONTEREY STATE BEACH...AND 
  ASILOMAR STATE BEACH. 

* TIMING...EARLY SATURDAY MORNING THROUGH EARLY MONDAY MORNING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
699 
WHUS46 KMTR 292100
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
200 PM PDT SAT SEP 29 2012

...A BEACH HAZARD STATEMENT IS IN EFFECT FOR SELECT MONTEREY BAY
AREA BEACHES FROM EARLY SATURDAY MORNING THROUGH EARLY MONDAY
MORNING...

.A LONG PERIOD NORTHWEST SWELL AS WELL AS A LONG PERIOD SOUTH
SWELL WILL CONTINUE THROUGH EARLY MONDAY MORNING. THESE SWELL WILL BE
CAPABLE OF PRODUCING STRONG RIP CURRENTS AND LOCALLY LARGE SHORE
BREAKS. THEREFORE A BEACH HAZARD STATEMENT HAS BEEN ISSUED FOR A
HEIGHTENED RISK OF STRONG RIP CURRENTS AT BOTH SOUTH FACING
BEACHES AND NORTHWEST FACING BEACHES.

CAZ529-302100-
/O.CON.KMTR.BH.S.0011.000000T0000Z-121001T1200Z/
NORTHERN MONTEREY BAY-
200 PM PDT SAT SEP 29 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH EARLY MONDAY
MORNING...

* LOCATION...NATURAL BRIDGES STATE BEACH...SANTA CRUZ BOARDWALK 
  STATE BEACH...AND TWIN LAKES STATE BEACH. 

* TIMING...EARLY SATURDAY MORNING THROUGH EARLY MONDAY MORNING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

CAZ530-302100-
/O.CON.KMTR.BH.S.0011.000000T0000Z-121001T1200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
200 PM PDT SAT SEP 29 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH EARLY MONDAY
MORNING...

* LOCATION...MARINA STATE BEACH...MONTEREY STATE BEACH...AND 
  ASILOMAR STATE BEACH. 

* TIMING...EARLY SATURDAY MORNING THROUGH EARLY MONDAY MORNING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
531 
WHUS46 KMTR 302039
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
139 PM PDT SUN SEP 30 2012

...A BEACH HAZARD STATEMENT IS IN EFFECT FOR SELECT MONTEREY BAY
AREA BEACHES THROUGH EARLY MONDAY MORNING...

.A LONG PERIOD NORTHWEST SWELL WILL CONTINUE THROUGH EARLY MONDAY
MORNING. THESE SWELL WILL BE CAPABLE OF PRODUCING STRONG RIP
CURRENTS AND LOCALLY LARGE SHORE BREAKS. THEREFORE A BEACH HAZARD
STATEMENT HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG RIP
CURRENTS AT AREA BEACHES.

CAZ529-011145-
/O.CON.KMTR.BH.S.0011.000000T0000Z-121001T1200Z/
NORTHERN MONTEREY BAY-
139 PM PDT SUN SEP 30 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH EARLY 
MONDAY MORNING...

* LOCATION...NATURAL BRIDGES STATE BEACH...SANTA CRUZ BOARDWALK 
  STATE BEACH...AND TWIN LAKES STATE BEACH. 

* TIMING...THROUGH EARLY MONDAY MORNING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

CAZ530-011145-
/O.CON.KMTR.BH.S.0011.000000T0000Z-121001T1200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
139 PM PDT SUN SEP 30 2012

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH EARLY 
MONDAY MORNING...

* LOCATION...MARINA STATE BEACH...MONTEREY STATE BEACH...AND 
  ASILOMAR STATE BEACH. 

* TIMING...THROUGH EARLY MONDAY MORNING.

* IMPACTS...STRONGER THAN NORMAL RIP CURRENTS AND POTENTIALLY 
  LARGE SHORE BREAKS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
283 
WHUS46 KMTR 011136
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
436 AM PDT MON OCT 1 2012


CAZ529-011245-
/O.EXP.KMTR.BH.S.0011.000000T0000Z-121001T1200Z/
NORTHERN MONTEREY BAY-
436 AM PDT MON OCT 1 2012

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 5 AM PDT EARLY THIS
MORNING...

LONG PERIOD SWELLS ARE EXPECTED TO DECREASE TODAY. THEREFORE THE
BEACH HAZARD FOR RIP CURRENTS WILL BE ALLOWED TO EXPIRE.

$$

CAZ530-011245-
/O.EXP.KMTR.BH.S.0011.000000T0000Z-121001T1200Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
436 AM PDT MON OCT 1 2012

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 5 AM PDT EARLY THIS
MORNING...

LONG PERIOD SWELLS ARE EXPECTED TO DECREASE TODAY. THEREFORE THE
BEACH HAZARD FOR RIP CURRENTS WILL BE ALLOWED TO EXPIRE.

$$


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 28, 8:36 AM PDTSmall Craft AdvisoryMTR12 hr
Sep 28, 10:57 AM PDTExcessive Heat WatchMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more40 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.