Alert archive / California / Beach Hazards Statements in 2015

Beach Hazards Statement 1, NWS San Francisco Bay Area, CA

February 10, 20156 counties in California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Feb 10, 2015, 1:14 PM PST for 6 counties in California. It took effect at Feb 12, 2015, 6:00 AM PST. It was in force for 37 hr.

The area

The counties it named.

The facts

Issued
Feb 10, 2015, 1:14 PM PST (21:14 UTC)
In effect from
Feb 12, 2015, 6:00 AM PST
Expired
Feb 13, 2015, 7:00 PM 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 nearest sounding before it

Oakland, CA (KOAK), launched 12:00Z, 9.2 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 2015-02-10Temperature 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 2015-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
1171 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
90 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.

972 
WHUS46 KMTR 102114
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
114 PM PST TUE FEB 10 2015

...LONG PERIOD WEST SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS
THURSDAY THROUGH SATURDAY...

.LONG PERIOD WEST SWELL IN COMBINATION WITH OFFSHORE WIND WILL
GENERATE HAZARDOUS BEACH CONDITIONS THURSDAY THROUGH SATURDAY...
INCLUDING RIP CURRENTS...SNEAKER WAVES... AND LARGE BREAKING
WAVES.  

CAZ006-505-509-529-530-110515-
/O.NEW.KMTR.BH.S.0001.150212T1400Z-150215T0200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
114 PM PST TUE FEB 10 2015

...BEACH HAZARDS STATEMENT IN EFFECT FROM THURSDAY MORNING
THROUGH SATURDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR INCREASED LIKELIHOOD OF RIP
CURRENTS... SNEAKER WAVES AND LARGE BREAKING WAVES WHICH IS IN
EFFECT FROM THURSDAY MORNING THROUGH SATURDAY AFTERNOON.

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

* TIMING... BEGINNING 6AM THURSDAY AND CONTINUING THROUGH
  SATURDAY. FORERUNNERS ARRIVE WEDNESDAY NIGHT.

* IMPACTS... INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO
  SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES.

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...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.

&&

$$
DRP

HTTP://WWW.WEATHER.GOV/SANFRANCISCO
6 follow-up statements
589 
WHUS46 KMTR 111318
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
518 AM PST WED FEB 11 2015

...LONG PERIOD WEST SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS
THURSDAY THROUGH SATURDAY...

.LONG PERIOD WEST SWELL IN COMBINATION WITH OFFSHORE WIND WILL
GENERATE HAZARDOUS BEACH CONDITIONS THURSDAY THROUGH SATURDAY...
INCLUDING RIP CURRENTS...SNEAKER WAVES... AND LARGE BREAKING
WAVES.

CAZ006-505-509-529-530-112300-
/O.CON.KMTR.BH.S.0001.150212T1400Z-150215T0200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
518 AM PST WED FEB 11 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH SATURDAY AFTERNOON...

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

* TIMING... BEGINNING 6AM THURSDAY AND CONTINUING THROUGH 
  SATURDAY. FORERUNNERS ARRIVE WEDNESDAY NIGHT. 

* IMPACTS... INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO 
  SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES. 

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...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
086 
WHUS46 KMTR 112220
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
220 PM PST WED FEB 11 2015

...LONG PERIOD WEST SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS
THURSDAY THROUGH SATURDAY...

.LONG PERIOD WEST SWELL IN COMBINATION WITH OFFSHORE WIND WILL
GENERATE HAZARDOUS BEACH CONDITIONS THURSDAY THROUGH SATURDAY...
INCLUDING RIP CURRENTS...SNEAKER WAVES... AND LARGE BREAKING
WAVES.

CAZ006-505-509-529-530-121500-
/O.CON.KMTR.BH.S.0001.150212T1400Z-150215T0200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
220 PM PST WED FEB 11 2015

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THURSDAY
MORNING THROUGH SATURDAY AFTERNOON...

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

* TIMING... BEGINNING 6AM THURSDAY AND CONTINUING THROUGH
  SATURDAY. FORERUNNERS ARRIVE TONIGHT. 

* IMPACTS... INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO 
  SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES. 

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...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
582 
WHUS46 KMTR 121307
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
507 AM PST THU FEB 12 2015

...LONG PERIOD WEST SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS
THURSDAY THROUGH SATURDAY...

.LONG PERIOD WEST SWELL IN COMBINATION WITH OFFSHORE WIND WILL
GENERATE HAZARDOUS BEACH CONDITIONS THURSDAY THROUGH SATURDAY...
INCLUDING RIP CURRENTS...SNEAKER WAVES... AND LARGE BREAKING
WAVES.

CAZ006-505-509-529-530-122300-
/O.CON.KMTR.BH.S.0001.150212T1400Z-150215T0200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
507 AM PST THU FEB 12 2015

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

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

* TIMING... BEGINNING 6AM THURSDAY AND CONTINUING THROUGH
  SATURDAY. FORERUNNERS WILL CONTINUE TO IMPACT THE COASTLINE
  EARLY THURSDAY MORNING.

* IMPACTS... INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO 
  SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES. 

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...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
504 
WHUS46 KMTR 122254
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
254 PM PST THU FEB 12 2015

...LONG PERIOD WEST SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS
THURSDAY THROUGH SATURDAY...

.LONG PERIOD WEST SWELL IN COMBINATION WITH OFFSHORE WIND WILL
GENERATE HAZARDOUS BEACH CONDITIONS THROUGH SATURDAY...INCLUDING
RIP CURRENTS...SNEAKER WAVES... AND LARGE BREAKING WAVES.

CAZ006-505-509-529-530-131300-
/O.CON.KMTR.BH.S.0001.000000T0000Z-150215T0200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
254 PM PST THU FEB 12 2015

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

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

* TIMING...BEGINNING 6 AM THURSDAY AND CONTINUING THROUGH
  SATURDAY.

* IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO
  SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES.

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...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
906 
WHUS46 KMTR 131134
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
334 AM PST FRI FEB 13 2015

...LONG PERIOD WEST SWELL WILL LEAD TO HAZARDOUS BEACH CONDITIONS
THROUGH SATURDAY...

.LONG PERIOD WEST SWELL IN COMBINATION WITH OFFSHORE WIND WILL
GENERATE HAZARDOUS BEACH CONDITIONS THROUGH SATURDAY...INCLUDING
RIP CURRENTS...SNEAKER WAVES...AND LARGE BREAKING WAVES.

CAZ006-505-509-529-530-140000-
/O.CON.KMTR.BH.S.0001.000000T0000Z-150215T0200Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
334 AM PST FRI FEB 13 2015

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

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

* TIMING...CONDITIONS WILL CONTINUING THROUGH SATURDAY.

* IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO 
  SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES. 

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...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
176 
WHUS46 KMTR 132134
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 PM PST FRI FEB 13 2015

CAZ006-505-509-529-530-140300-
/O.EXT.KMTR.BH.S.0001.000000T0000Z-150214T0300Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
134 PM PST FRI FEB 13 2015

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 7 PM PST THIS
EVENING...

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

* TIMING...THROUGH TODAY UNTIL 7PM THIS EVENING. 

* IMPACTS...INCREASED LIKELIHOOD OF PEOPLE BEING PULLED OUT TO 
  SEA BY RIP CURRENTS OR WASHED INTO THE SEA BY SNEAKER WAVES. 

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...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
Feb 10, 2:13 AM PSTSmall Craft Advisory for Rough BarMTR19 hr

Nearby

Beach Hazards Statements in California, 2015Every beach hazards statement in 2015

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.