Alert archive / California / Wind Advisories in 2011

Wind Advisory 3, NWS San Francisco Bay Area, CA

March 1, 201110 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Mar 1, 2011, 4:17 AM PST for 10 counties in California. It took effect at Mar 1, 2011, 9:00 PM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2011, 4:17 AM PST (12:17 UTC)
In effect from
Mar 1, 2011, 9:00 PM PST
Expired
Mar 2, 2011, 6:00 AM PST
In force
9 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, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 35 km from the middle of the area, began a volume at 12:15 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, 0.3 hours before the alert went out and 34 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 2011-03-01Temperature 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 2011-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
878 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
121 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.

519 
WWUS76 KMTR 011217
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
417 AM PST TUE MAR 1 2011

...WIND ADVISORY IS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
WEDNESDAY FOR THE COAST...COASTAL MOUNTAINS...EAST BAY HILLS...AND
THE SALINAS VALLEY...

.A STRONG COLD FRONT WILL MOVE ACROSS THE DISTRICT TONIGHT. STRONG
AND GUSTY WINDS WILL ACCOMPANY THE FRONT ALONG WITH LOCALLY HEAVY RAIN.

CAZ006-505-507>509-511-512-516-517-528>530-012000-
/O.NEW.KMTR.WI.Y.0003.110302T0500Z-110302T1400Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
417 AM PST TUE MAR 1 2011

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM PST
WEDNESDAY. 

* TIMING: BETWEEN 9 PM TONIGHT TO 6 AM WEDNESDAY.

* WINDS: SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: STRONG GUSTY WINDS WILL MAKE DRIVING HIGH PROFILE
  VEHICLES DIFFICULT. IN ADDITION...LOCALLY HEAVY RAIN ALONG WITH
  THE STRONG WINDS CAN BRING DOWN LARGE TREES...POWER LINES AND
  WEAKENED TREE LIMBS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

STROBIN
2 follow-up statements
569 
WWUS76 KMTR 011954
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1154 AM PST TUE MAR 1 2011

...WIND ADVISORY IS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
WEDNESDAY FOR THE COAST...COASTAL MOUNTAINS...EAST BAY HILLS...
AND THE SALINAS VALLEY...

.A STRONG COLD FRONT WILL MOVE ACROSS THE DISTRICT TONIGHT.
STRONG AND GUSTY WINDS WILL ACCOMPANY THE FRONT ALONG WITH
LOCALLY HEAVY RAIN.

CAZ006-505-507>509-511-512-516-517-528>530-021300-
/O.CON.KMTR.WI.Y.0003.110302T0500Z-110302T1400Z/
SAN FRANCISCO-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
1154 AM PST TUE MAR 1 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
PST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM
PST WEDNESDAY FOR THE COAST...COASTAL MOUNTAINS...EAST BAY HILLS...
AND THE SALINAS VALLEY. 

* TIMING: BETWEEN 9 PM TONIGHT TO 6 AM WEDNESDAY.

* WINDS: SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: STRONG GUSTY WINDS WILL MAKE DRIVING HIGH PROFILE 
  VEHICLES DIFFICULT. IN ADDITION...LOCALLY HEAVY RAIN ALONG 
  WITH THE STRONG WINDS CAN BRING DOWN LARGE TREES...POWER LINES 
  AND WEAKENED TREE LIMBS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
451 
WWUS76 KMTR 021134
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
334 AM PST WED MAR 2 2011


CAZ006-507>509-511-512-516-517-528>530-021245-
/O.CAN.KMTR.WI.Y.0003.000000T0000Z-110302T1400Z/
SAN FRANCISCO-NORTH BAY MOUNTAINS-SAN FRANCISCO BAY SHORELINE-
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST-
334 AM PST WED MAR 2 2011

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS CANCELLED THE
WIND ADVISORY. 

WINDS HAVE REMAINED BELOW WIND ADVISORY CRITERIA. THEREFORE THE
WIND ADVISORY IS CANCELLED.

$$

CAZ505-021400-
/O.CON.KMTR.WI.Y.0003.000000T0000Z-110302T1400Z/
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
334 AM PST WED MAR 2 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS
MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS
MORNING. 

* TIMING: BETWEEN NOW AND 6 AM WEDNESDAY.

* WINDS: SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* IMPACTS: STRONG GUSTY WINDS WILL MAKE DRIVING HIGH PROFILE
  VEHICLES DIFFICULT. IN ADDITION...THE STRONG WINDS CAN BRING
  DOWN LARGE TREES...POWER LINES AND WEAKENED TREE LIMBS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

Nearby

Wind Advisories in California, 2011Every wind advisory in 2011

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.