Alert archive / California / Beach Hazards Statements in 2014

Beach Hazards Statement 17, NWS San Francisco Bay Area, CA

November 10, 20146 counties in California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Nov 10, 2014, 1:52 PM PST for 6 counties in California. It took effect at Nov 11, 2014, 3:00 PM PST. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued
Nov 10, 2014, 1:52 PM PST (21:52 UTC)
In effect from
Nov 11, 2014, 3:00 PM PST
Expired
Nov 13, 2014, 4:02 AM PST
In force
37 hr
Issued by
NWS San Francisco Bay Area, CA

Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 21:54 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, 9.9 hours before the alert went out and 26 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 2014-11-10Temperature 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 2014-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
1523 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
34 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.

450 
WHUS46 KMTR 102152
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
152 PM PST MON NOV 10 2014

...SNEAKER WAVES AND RIP CURRENTS TUESDAY THROUGH THURSDAY...

.A STORM IN THE BERING SEA GENERATED A LONG PERIOD SWELL...WHICH
WILL ENTER THE COASTAL WATERS ON TUESDAY AFTERNOON. THESE
FORERUNNER WAVES WILL IMPACT BAY AREA BEACHES ON TUESDAY
AFTERNOON AND CONTINUE THROUGH THURSDAY.

CAZ006-505-509-529-530-110615-
/O.NEW.KMTR.BH.S.0017.141111T2300Z-141114T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
152 PM PST MON NOV 10 2014

...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY AFTERNOON
THROUGH THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR SNEAKER WAVES AND RIP CURRENTS...
WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH THURSDAY
AFTERNOON.

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY
  COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING
  BEACHES...INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA
  STATE BEACH AND MARINA STATE BEACH.

* TIMING...FORERUNNER WAVES WILL ARRIVE TUESDAY AFTERNOON

* IMPACTS...INCREASED LIKELIHOOD OF SNEAKER WAVES AND RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG THE
BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN SHOULD
AVOID FISHING FROM ROCKS OR JETTIES.

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
6 follow-up statements
574 
WHUS46 KMTR 110502
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
902 PM PST MON NOV 10 2014

...SNEAKER WAVES AND RIP CURRENTS TUESDAY THROUGH THURSDAY...

.A STORM IN THE BERING SEA GENERATED A LONG PERIOD SWELL...WHICH
WILL ENTER THE COASTAL WATERS ON TUESDAY AFTERNOON. THESE
FORERUNNER WAVES WILL IMPACT BAY AREA BEACHES ON TUESDAY
AFTERNOON AND CONTINUE THROUGH THURSDAY.

CAZ006-505-509-529-530-111400-
/O.CON.KMTR.BH.S.0017.141111T2300Z-141114T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
902 PM PST MON NOV 10 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM TUESDAY
AFTERNOON THROUGH THURSDAY AFTERNOON...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH AND MARINA STATE BEACH. 

* TIMING...FORERUNNER WAVES WILL ARRIVE TUESDAY AFTERNOON

* IMPACTS...INCREASED LIKELIHOOD OF SNEAKER WAVES AND RIP 
  CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

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
449 
WHUS46 KMTR 111221
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
421 AM PST TUE NOV 11 2014

...SNEAKER WAVES AND RIP CURRENTS TUESDAY THROUGH THURSDAY...

.A STORM IN THE BERING SEA GENERATED A LONG PERIOD SWELL...WHICH
WILL ENTER THE COASTAL WATERS ON TUESDAY AFTERNOON. THESE
FORERUNNER WAVES WILL IMPACT BAY AREA BEACHES ON TUESDAY
AFTERNOON AND CONTINUE THROUGH THURSDAY.

CAZ006-505-509-529-530-120700-
/O.CON.KMTR.BH.S.0017.141111T2300Z-141114T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
421 AM PST TUE NOV 11 2014

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 3 PM PST THIS
AFTERNOON THROUGH THURSDAY AFTERNOON...

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH AND MARINA STATE BEACH. 

* TIMING...FORERUNNER WAVES WILL ARRIVE TUESDAY AFTERNOON

* IMPACTS...INCREASED LIKELIHOOD OF SNEAKER WAVES AND RIP 
  CURRENTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

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
244 
WHUS46 KMTR 120641
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1041 PM PST TUE NOV 11 2014

...SNEAKER WAVES AND RIP CURRENTS TUESDAY THROUGH THURSDAY...

.A STORM IN THE BERING SEA GENERATED A LONG PERIOD SWELL...WHICH
WILL ENTER THE COASTAL WATERS ON TUESDAY AFTERNOON. THESE
FORERUNNER WAVES WILL IMPACT BAY AREA BEACHES ON TUESDAY
AFTERNOON AND CONTINUE THROUGH THURSDAY.

CAZ006-505-509-529-530-121400-
/O.CON.KMTR.BH.S.0017.000000T0000Z-141114T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1041 PM PST TUE NOV 11 2014

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

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH AND MARINA STATE BEACH. 

* TIMING...FORERUNNER WAVES WILL ARRIVE TUESDAY AFTERNOON

* IMPACTS...INCREASED LIKELIHOOD OF SNEAKER WAVES AND RIP 
  CURRENTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

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
334 
WHUS46 KMTR 121222
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
422 AM PST WED NOV 12 2014

...SNEAKER WAVES AND RIP CURRENTS TODAY THROUGH THURSDAY...

.A STORM IN THE BERING SEA GENERATED A LONG PERIOD SWELL WHICH
HAS NOW ENTERED THE COASTAL WATERS. THESE FORERUNNER WAVES WILL
CONTINUE TO IMPACT BAY AREA BEACHES THROUGH THURSDAY.

CAZ006-505-509-529-530-130700-
/O.CON.KMTR.BH.S.0017.000000T0000Z-141114T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
422 AM PST WED NOV 12 2014

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

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH AND MARINA STATE BEACH. 

* TIMING...FORERUNNER WAVES WILL CONTINUE TO ARRIVE THROUGH THURSDAY
  AFTERNOON.

* IMPACTS...INCREASED LIKELIHOOD OF SNEAKER WAVES AND RIP 
  CURRENTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

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
522 
WHUS46 KMTR 130658
CFWMTR

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1058 PM PST WED NOV 12 2014

...SNEAKER WAVES AND RIP CURRENTS TODAY THROUGH THURSDAY...

.A STORM IN THE BERING SEA GENERATED A LONG PERIOD SWELL WHICH
HAS NOW ENTERED THE COASTAL WATERS. THESE FORERUNNER WAVES WILL
CONTINUE TO IMPACT BAY AREA BEACHES THROUGH THURSDAY.

CAZ006-505-509-529-530-131500-
/O.CON.KMTR.BH.S.0017.000000T0000Z-141114T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1058 PM PST WED NOV 12 2014

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

* LOCATION...COASTLINE FROM SONOMA COUNTY SOUTH THROUGH MONTEREY 
  COUNTY. IN PARTICULAR WEST TO NORTHWEST FACING BEACHES... 
  INCLUDING BUT NOT LIMITED TO...OCEAN BEACH...MONTARA STATE 
  BEACH AND MARINA STATE BEACH. 

* TIMING...FORERUNNER WAVES WILL CONTINUE TO ARRIVE THROUGH 
  THURSDAY AFTERNOON. 

* IMPACTS...INCREASED LIKELIHOOD OF SNEAKER WAVES AND RIP 
  CURRENTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BEACH HAZARD STATEMENT FOR SNEAKER WAVES MEANS THAT CONDITIONS
ARE PRESENT TO SUPPORT A HEIGHTENED RISK OF UNSUSPECTING BEACH
GOERS BEING SWEPT INTO THE SEA BY A WAVE. PEOPLE WALKING ALONG
THE BEACH SHOULD NEVER TURN THEIR BACK TO THE SEA. FISHERMAN
SHOULD AVOID FISHING FROM ROCKS OR JETTIES.

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.

&&

$$
490 
WHUS46 KMTR 131202
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
402 AM PST THU NOV 13 2014


CAZ006-505-509-529-530-131315-
/O.CAN.KMTR.BH.S.0017.000000T0000Z-141114T0000Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
402 AM PST THU NOV 13 2014

...BEACH HAZARDS STATEMENT IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
CANCELLED THE BEACH HAZARDS STATEMENT. 

CONDITIONS FAVORABLE FOR THE INCREASED LIKELIHOOD OF SNEAKER WAVES
AND RIP CURRENTS ARE DECREASING AND WILL FURTHER SUBSIDE THROUGH TODAY
AS A RESULT OF SHORTER WAVE PERIODS AND WEAKENED FORERUNNER WAVES.
REMAIN VIGILANT OF WAVE BEHAVIOR IF VISITING WEST TO NORTHWEST
FACING BEACHES TODAY...INCLUDING OCEAN BEACH...MONTARA STATE
BEACH... AND MARINE STATE BEACH.

$$


HTTP://WWW.WEATHER.GOV/SANFRANCISCO

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 10, 2:09 AM PSTBeach Hazards StatementMTRMonterey8 hr
Nov 10, 8:29 AM PSTMarine Dense Fog AdvisoryMTR3 hr

Nearby

Beach Hazards Statements in California, 2014Every beach hazards statement in 2014

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.