Alert archive / California / Beach Hazards Statements in 2013

Beach Hazards Statement 4, NWS San Francisco Bay Area, CA

February 6, 20136 counties in California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Feb 6, 2013, 1:10 PM PST for 6 counties in California. It took effect at Feb 7, 2013, 4:00 AM PST. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued
Feb 6, 2013, 1:10 PM PST (21:10 UTC)
In effect from
Feb 7, 2013, 4:00 AM PST
Expired
Feb 9, 2013, 10:00 AM PST
In force
54 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 21:10 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, 9.2 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 2013-02-06Temperature 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, Oakland, CA at 12:00Z on 2013-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
952 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
59 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.

246 
WHUS46 KMTR 062110
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
110 PM PST WED FEB 6 2013

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

CAZ006-505-509-529-530-082115-
/O.NEW.KMTR.BH.S.0004.130207T1200Z-130209T1800Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
110 PM PST WED FEB 6 2013

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

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

* LOCATION...ALONG THE CALIFORNIA COASTLINE.

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

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

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
1 follow-up statement
358 
WHUS46 KMTR 082102
CFWMTR

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
102 PM PST FRI FEB 8 2013

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FOR EXCESSIVE HIGH
TIDES THROUGH SATURDAY MORNING...

CAZ006-505-509-529-530-091800-
/O.CON.KMTR.BH.S.0004.000000T0000Z-130209T1800Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
SAN FRANCISCO PENINSULA COAST-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
102 PM PST FRI FEB 8 2013

...BEACH HAZARDS STATEMENT FOR EXCESSIVE HIGH TIDES REMAINS IN
EFFECT THROUGH SATURDAY MORNING...

* LOCATION...ALONG THE CALIFORNIA COASTLINE.

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

* IMPACTS...MINOR FLOODING ALONG LOW-LYING COASTAL AREAS 
  INCLUDING PARKING LOTS AND ROADWAYS MARINERS SHOULD ALSO 
  CONSIDER THE EXCESSIVE LOW TIDES AND TAKE PRECAUTION 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

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.