Alert archive / California / Wind Advisories in 2017

Wind Advisory 5, NWS San Francisco Bay Area, CA

January 19, 20178 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Jan 19, 2017, 12:51 PM PST for 8 counties in California. It took effect at Jan 20, 2017, 2:00 AM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 19, 2017, 12:51 PM PST (20:51 UTC)
In effect from
Jan 20, 2017, 2:00 AM PST
Expired
Jan 20, 2017, 10:00 AM PST
In force
8 hr
Issued by
NWS San Francisco Bay Area, CA

Counties City and County of San Francisco, 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), 28 km from the middle of the area, began a volume at 20:51 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, 8.9 hours before the alert went out and 43 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 2017-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 87 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
87 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
928 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

098 
WWUS76 KMTR 192051
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1251 PM PST THU JAN 19 2017

...WIND ADVISORY IN EFFECT TONIGHT INTO FRIDAY MORNING FOR STRONG
FRONTAL PASSAGE...

.A STRONG COLD FRONT WILL PASS OVER THE BAY AREA AND CENTRAL
COAST LATE TONIGHT INTO EARLY FRIDAY MORNING. SOUTHERLY WINDS WILL
INCREASE AHEAD OF AND DURING THE FRONTAL PASSAGE. THE STRONGEST
WINDS WILL BE NEAR THE COAST AND HIGHER TERRAIN.

CAZ006-505-507-200600-
/O.NEW.KMTR.WI.Y.0005.170120T1000Z-170120T1800Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE
1251 PM PST THU JAN 19 2017

...WIND ADVISORY IN EFFECT FROM 2 AM TO 10 AM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 10 AM PST FRIDAY. 

* TIMING...LATE TONIGHT THROUGH FRIDAY MORNING.

* WINDS...SOUTHERLY WIND GUSTS FROM 40 TO 50 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 
  POSSIBLE. DRIVING OF HIGH PROFILE VEHICLES WILL BE IMPACTED AS 
  WELL. 

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.

&&

$$

CAZ509-511-512-517-518-529-530-200600-
/O.NEW.KMTR.WI.Y.0005.170120T1000Z-170120T1800Z/
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND THE DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR MONTEREY COUNTY
INCLUDING PINNACLES NATIONAL MONUMENT-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...PACIFICA...BLACKHAWK...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SANTA CRUZ...WATSONVILLE...
LIVE OAK...SEASIDE...MONTEREY...MARINA
1251 PM PST THU JAN 19 2017

...WIND ADVISORY IN EFFECT FROM 2 AM TO 10 AM PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 10 AM PST FRIDAY. 

* TIMING...LATE TONIGHT THROUGH FRIDAY MORNING.

* WINDS...SOUTHERLY WIND GUSTS FROM 40 TO 50 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 
  POSSIBLE. DRIVING OF HIGH PROFILE VEHICLES WILL BE IMPACTED AS 
  WELL. 

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.

&&

$$
3 follow-up statements
276 
WWUS76 KMTR 200422
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
822 PM PST THU JAN 19 2017

...WIND ADVISORY IN EFFECT TONIGHT INTO FRIDAY MORNING FOR STRONG
FRONTAL PASSAGE...

.A STRONG COLD FRONT WILL MOVE ACROSS THE BAY AREA AND CENTRAL
COAST LATE TONIGHT INTO EARLY FRIDAY MORNING. SOUTHERLY WINDS WILL
INCREASE AHEAD OF AND WITH THE FRONTAL PASSAGE. THE STRONGEST
WINDS WILL BE NEAR THE COAST AND IN THE HIGHER TERRAIN.

CAZ006-505-507-201800-
/O.CON.KMTR.WI.Y.0005.170120T1000Z-170120T1800Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE
822 PM PST THU JAN 19 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM PST
FRIDAY...

* TIMING...LATE TONIGHT THROUGH FRIDAY MORNING.

* WINDS...SOUTHERLY WIND GUSTS FROM 40 TO 50 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 
  POSSIBLE. DRIVING OF HIGH PROFILE VEHICLES WILL BE IMPACTED AS 
  WELL. 

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.

&&

$$

CAZ509-511-512-517-518-529-530-201800-
/O.CON.KMTR.WI.Y.0005.170120T1000Z-170120T1800Z/
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND THE DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR MONTEREY COUNTY
INCLUDING PINNACLES NATIONAL MONUMENT-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...PACIFICA...BLACKHAWK...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SANTA CRUZ...WATSONVILLE...
LIVE OAK...SEASIDE...MONTEREY...MARINA
822 PM PST THU JAN 19 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 10 AM PST
FRIDAY...

* TIMING...LATE TONIGHT THROUGH FRIDAY MORNING.

* WINDS...SOUTHERLY WIND GUSTS FROM 40 TO 50 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 
  POSSIBLE. DRIVING OF HIGH PROFILE VEHICLES WILL BE IMPACTED AS 
  WELL. 

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.

&&

$$
845 
WWUS76 KMTR 201242
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
442 AM PST FRI JAN 20 2017

...WIND ADVISORY IN EFFECT THIS MORNING FOR STRONG FRONTAL
PASSAGE...

.A STRONG COLD FRONT CONTINUES TO MOVE ACROSS THE SAN FRANCISCO
BAY AREA AND CENTRAL COAST THIS MORNING. SOUTHERLY WINDS WILL
CONTINUE TO INCREASE AHEAD OF AND ALONG THE FRONTAL PASSAGE. THE
STRONGEST WINDS WILL BE NEAR THE COAST AND IN THE HIGHER TERRAIN.

CAZ006-505-507-201800-
/O.CON.KMTR.WI.Y.0005.000000T0000Z-170120T1800Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE
442 AM PST FRI JAN 20 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

* TIMING...THROUGH LATE MORNING.

* WINDS...SOUTHERLY WIND GUSTS FROM 40 TO 50 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 
  POSSIBLE. DRIVING OF HIGH PROFILE VEHICLES WILL BE IMPACTED AS 
  WELL. 

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.

&&

$$

CAZ509-511-512-517-518-529-530-201800-
/O.CON.KMTR.WI.Y.0005.000000T0000Z-170120T1800Z/
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND THE DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR MONTEREY COUNTY
INCLUDING PINNACLES NATIONAL MONUMENT-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...PACIFICA...BLACKHAWK...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SANTA CRUZ...WATSONVILLE...
LIVE OAK...SEASIDE...MONTEREY...MARINA
442 AM PST FRI JAN 20 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

* TIMING...THROUGH LATE MORNING.

* WINDS...SOUTHERLY WIND GUSTS FROM 40 TO 50 MPH.

* IMPACTS...DOWNED TREES...LIMBS AND POWERLINES WILL BE 
  POSSIBLE. DRIVING OF HIGH PROFILE VEHICLES WILL BE IMPACTED AS 
  WELL. 

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.

&&

$$
366 
WWUS76 KMTR 201751
NPWMTR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
951 AM PST FRI JAN 20 2017


CAZ006-505-507-201900-
/O.EXP.KMTR.WI.Y.0005.000000T0000Z-170120T1800Z/
SAN FRANCISCO-
COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE-
NORTH BAY MOUNTAINS-
INCLUDING THE CITIES OF...SAN FRANCISCO...TAMALPAIS-HOMESTEAD...
SAUSALITO...ANGWIN...LAGUNITAS-FOREST KNOLLS...WOODACRE
951 AM PST FRI JAN 20 2017

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

WIND SPEEDS HAVE DIMINISHED TO BELOW ADVISORY CRITERIA...THUS THE
WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 10 AM. 

$$

CAZ509-511-512-517-518-529-530-201900-
/O.EXP.KMTR.WI.Y.0005.000000T0000Z-170120T1800Z/
SAN FRANCISCO PENINSULA COAST-EAST BAY HILLS AND THE DIABLO RANGE-
SANTA CRUZ MOUNTAINS-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR MONTEREY COUNTY
INCLUDING PINNACLES NATIONAL MONUMENT-NORTHERN MONTEREY BAY-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
INCLUDING THE CITIES OF...PACIFICA...BLACKHAWK...SCOTTS VALLEY...
BOULDER CREEK...DAY VALLEY...SANTA CRUZ...WATSONVILLE...
LIVE OAK...SEASIDE...MONTEREY...MARINA
951 AM PST FRI JAN 20 2017

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

WIND SPEEDS HAVE DIMINISHED TO BELOW ADVISORY CRITERIA...THUS THE
WIND ADVISORY WILL BE ALLOWED TO EXPIRE AT 10 AM. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 7:48 PM PSTAreal Flood AdvisoryMTRMonterey, San Benito3 hr
Jan 18, 7:49 PM PSTAreal Flood AdvisoryMTRMonterey, San Benito3 hr
Jan 18, 7:56 PM PSTSpecial Marine WarningMTR19 min
Jan 18, 8:15 PM PSTFlash Flood WarningMTRSonoma4 hr
Jan 18, 8:28 PM PSTSpecial Marine WarningMTR32 min
Jan 18, 8:30 PM PSTAreal Flood AdvisoryMTRAlameda, Contra Costa, Santa Clara, Santa Cruz2 hr
Jan 18, 9:12 PM PSTFlash Flood WarningMTRAlameda2 hr
Jan 19, 12:16 AM PSTFlash Flood WarningMTRSonoma3 hr
Jan 19, 2:36 AM PSTGale WatchMTR36 hr
Jan 19, 2:36 AM PSTSmall Craft AdvisoryMTR60 hr
Jan 19, 4:28 AM PSTHigh Surf WarningMTRMarin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma71 hr

Nearby

Wind Advisories in California, 2017Every wind advisory in 2017

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.