Alert archive / California / Beach Hazards Statements in 2013

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

January 9, 201310 counties in California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Jan 9, 2013, 10:42 AM PST for 10 counties in California. It was in force for 49 hr.

The area

The counties it named.

The facts

Issued
Jan 9, 2013, 10:42 AM PST (18:42 UTC)
Expired
Jan 11, 2013, 12:00 PM PST
In force
49 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Alameda County, CA, City and County of San Francisco, CA, Contra Costa County, CA, Marin County, CA, Monterey County, CA, Napa County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 59 km from the middle of the area, began a volume at 18:43 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, 6.7 hours before the alert went out and 11 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 2013-01-09Temperature 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 2013-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1501 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
118 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.

194 
WHUS46 KMTR 091842
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1042 AM PST WED JAN 9 2013

...EXCESSIVE HIGH AND LOW TIDES EXPECTED TODAY THROUGH FRIDAY...


CAZ505-509-529-530-101845-
/O.NEW.KMTR.BH.S.0001.130109T1842Z-130111T2000Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1042 AM PST WED JAN 9 2013

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR EXCESSIVE HIGH AND LOW TIDES...
WHICH IS IN EFFECT THROUGH FRIDAY MORNING.

* LOCATION...ALONG THE ENTIRE CALIFORNIA COASTLINE.

* TIMING...EXCESSIVE HIGH TIDES WILL OCCUR MAINLY DURING THE
  MORNING HOURS. IN ADDITION TO THE EXCESSIVE TIDES A LARGE STEEP
  NORTHWEST SWELL WILL ALSO IMPACT THE COAST TONIGHT INTO FRIDAY
  AFTERNOON. FOR ADDITIONAL INFORMATION ON TIMING OF TIDES PLEASE
  REFER TO THE PUBLIC INFORMATION STATEMENT...SFOPNSMTR OR
  WWW.CENCOOS.ORG/SECTIONS/CONDITIONS/TIDES.SHTML.

* IMPACTS...MINOR FLOODING ALONG LOW LYING COASTAL AREAS. THESE
  AREAS INCLUDE PARKING LOTS AND ROADWAYS. MARINERS SHOULD ALSO
  CONSIDER THE EXCESSIVE LOW TIDES AND TAKE PRECAUTIONS TO AVOID
  VESSEL DAMAGE.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...EXCESSIVE HIGH TIDES CAN LEAD
TO MINOR FLOODING OF PARKING LOTS AND ROADWAYS ALONG THE COAST.
PLEASE BE AWARE OF TIMING OF HIGH TIDES FOR YOU AREA. MARINERS
SHOULD ALSO BEWARE OF EXCESSIVE LOW TIDES AND TAKE PRECAUTIONS TO
AVOID VESSEL DAMAGE. 

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.

&&

$$

CAZ006-506-508-101845-
/O.NEW.KMTR.BH.S.0001.130109T1842Z-130111T2000Z/
SAN FRANCISCO-NORTH BAY INTERIOR VALLEYS-
SAN FRANCISCO BAY SHORELINE-
1042 AM PST WED JAN 9 2013

...BEACH HAZARDS STATEMENT IN EFFECT THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS
ISSUED A BEACH HAZARDS STATEMENT FOR EXCESSIVE HIGH AND LOW TIDES...
WHICH IS IN EFFECT THROUGH FRIDAY MORNING.

* LOCATION...LOW LYING AREAS WITHIN CLOSE PROXIMITY TO THE SAN
  FRANCISCO BAY. 

* TIMING...EXCESSIVE HIGH TIDES WILL OCCUR MAINLY DURING THE
  MORNING HOURS. FOR ADDITIONAL INFORMATION ON TIMING OF TIDES
  PLEASE REFER TO THE PUBLIC INFORMATION STATEMENT...SFOPNSMTR OR
  WWW.CENCOOS.ORG/SECTIONS/CONDITIONS/TIDES.SHTML.

* IMPACTS...MINOR FLOODING ALONG LOW LYING COASTAL AREA. THESE
  AREAS INCLUDE PARKING LOTS AND ROADWAY. MARINERS SHOULD ALSO
  CONSIDER THE EXCESSIVE LOW TIDES AND TAKE PRECAUTIONS TO AVOID
  VESSEL DAMAGE.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...EXCESSIVE HIGH TIDES CAN LEAD
TO MINOR FLOODING OF PARKING LOTS AND ROADWAYS ALONG THE COAST.
PLEASE BE AWARE OF TIMING OF HIGH TIDES FOR YOU AREA. MARINERS
SHOULD ALSO BEWARE OF EXCESSIVE LOW TIDES AND TAKE PRECAUTIONS TO
AVOID VESSEL DAMAGE. 

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
365 
WHUS46 KMTR 101749
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
949 AM PST THU JAN 10 2013

...EXCESSIVE HIGH AND LOW TIDES EXPECTED TODAY THROUGH FRIDAY...

CAZ505-509-529-530-111800-
/O.CON.KMTR.BH.S.0001.000000T0000Z-130111T2000Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
949 AM PST THU JAN 10 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
MORNING...

* LOCATION...ALONG THE CALIFORNIA COASTLINE.

* TIMING...EXCESSIVE HIGH TIDES WILL OCCUR MAINLY DURING THE
  MORNING HOURS. IN ADDITION TO THE EXCESSIVE TIDES A LARGE STEEP
  NORTHWEST SWELL WILL ALSO IMPACT THE COAST TODAY INTO FRIDAY
  AFTERNOON. FOR ADDITIONAL INFORMATION ON TIMING OF TIDES PLEASE
  REFER TO THE PUBLIC INFORMATION STATEMENT... SFOPNSMTR OR
  WWW.CENCOOS.ORG/SECTIONS/CONDITIONS/TIDES.SHTML.

* IMPACTS...MINOR FLOODING ALONG LOW LYING COASTAL AREAS. THESE 
  AREAS INCLUDE PARKING LOTS AND ROADWAYS. MARINERS SHOULD ALSO 
  CONSIDER THE EXCESSIVE LOW TIDES AND TAKE PRECAUTIONS TO AVOID 
  VESSEL DAMAGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...EXCESSIVE HIGH TIDES CAN
LEAD TO MINOR FLOODING OF PARKING LOTS AND ROADWAYS ALONG THE
COAST. PLEASE BE AWARE OF TIMING OF HIGH TIDES FOR YOU AREA.
MARINERS SHOULD ALSO BEWARE OF EXCESSIVE LOW TIDES AND TAKE
PRECAUTIONS TO AVOID VESSEL DAMAGE.

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.

&&

$$

CAZ006-506-508-111800-
/O.CON.KMTR.BH.S.0001.000000T0000Z-130111T2000Z/
SAN FRANCISCO-NORTH BAY INTERIOR VALLEYS-
SAN FRANCISCO BAY SHORELINE-
949 AM PST THU JAN 10 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH FRIDAY
MORNING...

* LOCATION...LOW LYING AREAS WITHIN CLOSE PROXIMITY TO THE SAN 
  FRANCISCO BAY. 

* TIMING...EXCESSIVE HIGH TIDES WILL OCCUR MAINLY DURING THE 
  MORNING HOURS. FOR ADDITIONAL INFORMATION ON TIMING OF TIDES 
  PLEASE REFER TO THE PUBLIC INFORMATION STATEMENT...SFOPNSMTR 
  OR WWW.CENCOOS.ORG/SECTIONS/CONDITIONS/TIDES.SHTML. 

* IMPACTS...MINOR FLOODING ALONG LOW LYING COASTAL AREA. THESE 
  AREAS INCLUDE PARKING LOTS AND ROADWAY. MARINERS SHOULD ALSO 
  CONSIDER THE EXCESSIVE LOW TIDES AND TAKE PRECAUTIONS TO AVOID 
  VESSEL DAMAGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...EXCESSIVE HIGH TIDES CAN
LEAD TO MINOR FLOODING OF PARKING LOTS AND ROADWAYS ALONG THE
COAST. PLEASE BE AWARE OF TIMING OF HIGH TIDES FOR YOU AREA.
MARINERS SHOULD ALSO BEWARE OF EXCESSIVE LOW TIDES AND TAKE
PRECAUTIONS TO AVOID VESSEL DAMAGE.

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
Jan 9, 2:22 AM PSTFrost AdvisoryMTRAlameda, Contra Costa, San Mateo, Santa Clara54 hr
Jan 9, 2:22 AM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more54 hr
Jan 9, 2:59 AM PSTSmall Craft Advisory for Rough BarMTR59 hr
Jan 9, 5:12 AM PSTDense Fog AdvisoryMTRAlameda, Contra Costa, Marin, Napa, Sonoma6 hr
Jan 9, 2:00 PM PSTWinter Weather AdvisoryMTRMonterey, San Mateo, Santa Clara, Santa Cruz26 hr

Nearby

Beach Hazards Statements in California, 2013Every beach hazards statement in 2013

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.