Alert archive / California / Beach Hazards Statements in 2012

Beach Hazards Statement 8, NWS San Francisco Bay Area, CA

September 6, 2012Monterey County, California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Sep 6, 2012, 2:55 PM PDT for Monterey County, California. It took effect at Sep 8, 2012, 5:00 AM PDT. It was in force for 42 hr.

The area

The counties it named.

The facts

Issued
Sep 6, 2012, 2:55 PM PDT (21:55 UTC)
In effect from
Sep 8, 2012, 5:00 AM PDT
Expired
Sep 9, 2012, 11:00 PM PDT
In force
42 hr
Issued by
NWS San Francisco Bay Area, CA

County Monterey County, CA

The radar

The San Francisco radar (KMUX), 115 km from the middle of the area, began a volume at 21:55 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

Vandenberg AFB, CA (KVBG), launched 12:00Z, 9.9 hours before the alert went out and 183 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, Vandenberg AFB, CA at 12:00Z on 2012-09-06Temperature 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, Vandenberg AFB, CA at 12:00Z on 2012-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
1679 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
63 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.

898 
WHUS46 KMTR 062155
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
255 PM PDT THU SEP 6 2012

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

A DISTANTLY GENERATED NORTHWESTERLY SWELL WILL MOVE INTO THE
COASTAL WATERS FRIDAY NIGHT INTO SATURDAY. ALTHOUGH WAVE HEIGHTS
WILL NOT BE LARGE THE WAVES WILL BE ENERGETIC...CAPABLE OF
PRODUCING STRONG RIP CURRENTS. THEREFORE A BEACH HAZARD STATEMENT
HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG RIP CURRENTS AT
NORTHWEST FACING BEACHES.

CAZ530-072200-
/O.NEW.KMTR.BH.S.0008.120908T1200Z-120910T0000Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
255 PM PDT THU SEP 6 2012

...BEACH HAZARD STATEMENT IN EFFECT FROM LATE FRIDAY NIGHT
THROUGH SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR A HEIGHTENED RISK OF STRONG
RIP CURRENTS... WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SUNDAY AFTERNOON.

* LOCATION...ASILOMAR AND MONTEREY STATE BEACHES AS WELL AS
             MARINA STATE BEACH.

* TIMING...LATE FRIDAY NIGHT THROUGH SUNDAY AFTERNOON. 

* IMPACTS...STRONG RIP CURRENTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A RIP
CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

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
3 follow-up statements
619 
WHUS46 KMTR 071205
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
505 AM PDT FRI SEP 7 2012

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

A DISTANTLY GENERATED NORTHWESTERLY SWELL WILL MOVE INTO THE
COASTAL WATERS FRIDAY NIGHT INTO SATURDAY. ALTHOUGH WAVE HEIGHTS
WILL NOT BE LARGE THE WAVES WILL BE ENERGETIC...CAPABLE OF
PRODUCING STRONG RIP CURRENTS. THEREFORE A BEACH HAZARD STATEMENT
HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG RIP CURRENTS AT
NORTHWEST FACING BEACHES.

CAZ530-081200-
/O.CON.KMTR.BH.S.0008.120908T1200Z-120910T0000Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
505 AM PDT FRI SEP 7 2012

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

* LOCATION...ASILOMAR AND MONTEREY STATE BEACHES AS WELL AS 
  MARINA STATE BEACH. 

* TIMING...LATE TONIGHT THROUGH SUNDAY AFTERNOON.

* IMPACTS...STRONG RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

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
365 
WHUS46 KMTR 081747
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1047 AM PDT SAT SEP 8 2012

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

A LONG PERIOD NORTHWEST SWELL HAS MOVE INTO THE COASTAL WATERS
CAPABLE OF PRODUCING STRONG RIP CURRENTS. THEREFORE A BEACH
HAZARD STATEMENT HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG
RIP CURRENTS AT NORTHWEST FACING BEACHES.

CAZ530-091800-
/O.CON.KMTR.BH.S.0008.000000T0000Z-120910T0000Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1047 AM PDT SAT SEP 8 2012

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

* LOCATION...ASILOMAR AND MONTEREY STATE BEACHES AS WELL AS 
  MARINA STATE BEACH. 

* TIMING...TODAY THROUGH SUNDAY AFTERNOON.

* IMPACTS...STRONG RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

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
291 
WHUS46 KMTR 091739
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1039 AM PDT SUN SEP 9 2012

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

A LONG PERIOD NORTHWEST SWELL HAS MOVED INTO THE COASTAL WATERS
CAPABLE OF PRODUCING STRONG RIP CURRENTS. THEREFORE A BEACH
HAZARD STATEMENT HAS BEEN ISSUED FOR A HEIGHTENED RISK OF STRONG
RIP CURRENTS AT NORTHWEST FACING BEACHES.

CAZ530-100600-
/O.EXT.KMTR.BH.S.0008.000000T0000Z-120910T0600Z/
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1039 AM PDT SUN SEP 9 2012

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

* LOCATION...ASILOMAR AND MONTEREY STATE BEACHES AS WELL AS 
  MARINA STATE BEACH. 

* TIMING...TODAY THROUGH SUNDAY EVENING.

* IMPACTS...STRONG RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR RIP CURRENTS MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF STRONG RIP CURRENTS.
RIP CURRENTS ARE TYPICALLY MORE FREQUENT AND STRONGER IN THE
VICINITY OF JETTIES...INLETS...AND PIERS. SWIMMERS CAUGHT IN A
RIP CURRENT SHOULD SWIM PARALLEL TO THE COAST TO ESCAPE THE RIP
CURRENT BEFORE TRYING TO SWIM FOR SHORE. SWIMMERS SHOULD ALWAYS
SWIM NEAR A LIFEGUARD.

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 6, 2:34 AM PDTSmall Craft AdvisoryMTR18 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.