Alert archive / California / Wind Advisories in 2017

Wind Advisory 21, NWS San Francisco Bay Area, CA

November 14, 20175 counties in California

NWS San Francisco Bay Area, CA issued this wind advisory at Nov 14, 2017, 2:12 AM PST for 5 counties in California. It took effect at Nov 15, 2017, 1:00 PM PST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Nov 14, 2017, 2:12 AM PST (10:12 UTC)
In effect from
Nov 15, 2017, 1:00 PM PST
Expired
Nov 16, 2017, 2:59 AM PST
In force
14 hr
Issued by
NWS San Francisco Bay Area, CA

Counties Monterey County, CA, San Benito County, CA, San Mateo County, CA, Santa Clara County, CA, Santa Cruz County, CA

The radar

The San Francisco radar (KMUX), 33 km from the middle of the area, began a volume at 10:12 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 00:00Z, 10.2 hours before the alert went out and 102 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 00:00Z on 2017-11-14Temperature 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 00:00Z on 2017-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897117Sfc1 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
783 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
235 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

289 
WWUS76 KMTR 141012
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
212 AM PST Tue Nov 14 2017

CAZ507-511-512-142215-
/O.NEW.KMTR.WI.Y.0021.171115T2100Z-171116T1100Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
212 AM PST Tue Nov 14 2017

...WIND ADVISORY IN EFFECT FROM 1 PM WEDNESDAY TO 3 AM PST
THURSDAY...

The National Weather Service in San Francisco has issued a Wind
Advisory, which is in effect from 1 PM Wednesday to 3 AM PST
Thursday. 

* WINDS: Southerly winds of 15 to 30 mph with local gusts to over 50
  mph.

* LOCATION: North Bay Mountains and East Bay Hills.

* TIMING: Wednesday afternoon through Wednesday night.

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.

&&

$$

CAZ517-518-142215-
/O.NEW.KMTR.WI.Y.0021.171116T1100Z-171117T0500Z/
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
212 AM PST Tue Nov 14 2017

...WIND ADVISORY IN EFFECT FROM 3 AM TO 9 PM PST THURSDAY...

The National Weather Service in San Francisco has issued a Wind
Advisory, which is in effect from 3 AM to 9 PM PST Thursday. 

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 50 
  mph.

* LOCATION: Santa Lucia Mountains and the Mountains of San Benito
  counties.

* TIMING: Wednesday afternoon through Wednesday night.

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.

&&

$$
6 follow-up statements
299 
WWUS76 KMTR 141014 AAA
NPWMTR

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service San Francisco Bay Area
214 AM PST Tue Nov 14 2017

CAZ507-511-512-142215-
/O.CON.KMTR.WI.Y.0021.171115T2100Z-171116T1100Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
214 AM PST Tue Nov 14 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM WEDNESDAY TO 3 AM
PST THURSDAY...

A Wind Advisory is in effect from 1 PM Wednesday to 3 AM PST 
Thursday. 

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 
  over 50 mph. 

* LOCATION: North Bay Mountains and East Bay Hills.

* TIMING: Wednesday afternoon through Wednesday night.

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.

&&

$$

CAZ517-518-142215-
/O.CON.KMTR.WI.Y.0021.171116T1100Z-171117T0500Z/
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
214 AM PST Tue Nov 14 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PST
THURSDAY...

A Wind Advisory is in effect from 3 AM to 9 PM PST Thursday.

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 50 
  mph. 

* LOCATION: Santa Lucia Mountains and the Mountains of San 
  Benito counties. 

* TIMING: Early Thursday morning through Thursday evening.

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.

&&

$$
560 
WWUS76 KMTR 142208
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
208 PM PST Tue Nov 14 2017


CAZ507-511-512-151400-
/O.CON.KMTR.WI.Y.0021.171115T2100Z-171116T1100Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
208 PM PST Tue Nov 14 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM WEDNESDAY TO 3 AM
PST THURSDAY...

a Wind Advisory remains in effect from 1 PM Wednesday to 3 AM PST
Thursday. 

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 
  over 50 mph. 

* LOCATION: North Bay Mountains and East Bay Hills.

* TIMING: Wednesday afternoon through Wednesday night.

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.

&&

$$

CAZ517-518-151400-
/O.CON.KMTR.WI.Y.0021.171116T1100Z-171117T0500Z/
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
208 PM PST Tue Nov 14 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PST
THURSDAY...

a Wind Advisory remains in effect from 3 AM to 9 PM PST Thursday.

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 50 
  mph. 

* LOCATION: Santa Lucia Mountains and the Mountains of San 
  Benito counties. 

* TIMING: Early Thursday morning through Thursday evening.

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.

&&

$$
507 
WWUS76 KMTR 151250
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
450 AM PST Wed Nov 15 2017

...Gusty Southerly Winds Over Higher Terrain Today through
Thursday...


CAZ507-511-512-152200-
/O.CON.KMTR.WI.Y.0021.171115T2100Z-171116T1100Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
450 AM PST Wed Nov 15 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
3 AM PST THURSDAY...

a Wind Advisory remains in effect from 1 PM this afternoon to
3 AM PST Thursday. 

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 
  over 50 mph. 

* LOCATION: North Bay Mountains, East Bay Hills and Santa Cruz
  Mountains.

* TIMING: Wednesday afternoon through Wednesday night.

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.

&&

$$

CAZ517-518-152200-
/O.CON.KMTR.WI.Y.0021.171116T1100Z-171117T0500Z/
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
450 AM PST Wed Nov 15 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PST
THURSDAY...

a Wind Advisory remains in effect from 3 AM to 9 PM PST Thursday.

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 50 
  mph. 

* LOCATION: Santa Lucia Mountains and the Mountains of San Benito
  Count.
  

* TIMING: Early Thursday morning through Thursday evening.

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.

&&

$$
960 
WWUS76 KMTR 152140
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
140 PM PST Wed Nov 15 2017

...Gusty Southerly Winds Over Higher Terrain Today through
Thursday...

CAZ507-511-512-160600-
/O.CON.KMTR.WI.Y.0021.000000T0000Z-171116T1100Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
140 PM PST Wed Nov 15 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST THURSDAY...

A Wind Advisory remains in effect until 3 AM PST Thursday. 

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 
  over 50 mph. 

* LOCATION: North Bay Mountains, East Bay Hills and Santa Cruz 
  Mountains. 

* TIMING: Through early Thursday morning.

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.

&&

$$

CAZ517-518-160600-
/O.CON.KMTR.WI.Y.0021.171116T1100Z-171117T0500Z/
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
140 PM PST Wed Nov 15 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PST
THURSDAY...

A Wind Advisory remains in effect from 3 AM to 9 PM PST Thursday.

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 50 
  mph. 

* LOCATION: Santa Lucia Mountains and the Mountains of San 
  Benito County. 

* TIMING: Early Thursday morning through Thursday evening.

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.

&&

$$
417 
WWUS76 KMTR 160456
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
856 PM PST Wed Nov 15 2017

...Gusty Southerly Winds Over Higher Terrain Tonight into Thursday...

CAZ507-511-512-161100-
/O.CON.KMTR.WI.Y.0021.000000T0000Z-171116T1100Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
856 PM PST Wed Nov 15 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST THURSDAY...

a Wind Advisory remains in effect until 3 AM PST Thursday. 

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 
  over 50 mph. 

* LOCATION: North Bay Mountains, East Bay Hills and Santa Cruz 
  Mountains. 

* TIMING: Through early Thursday morning.

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.

&&

$$

CAZ517-518-161300-
/O.CON.KMTR.WI.Y.0021.171116T1100Z-171117T0500Z/
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
856 PM PST Wed Nov 15 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 PM PST
THURSDAY...

a Wind Advisory remains in effect from 3 AM to 9 PM PST Thursday.

* WINDS: Southerly winds of 15 to 30 mph with local gusts to 50 
  mph. 

* LOCATION: Santa Lucia Mountains and the Mountains of San 
  Benito County. 

* TIMING: Early Thursday morning through Thursday evening.

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.

&&

$$
083 
WWUS76 KMTR 161059
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
259 AM PST Thu Nov 16 2017


CAZ517-518-161200-
/O.CAN.KMTR.WI.Y.0021.171116T1100Z-171117T0500Z/
Santa Lucia Mountains and Los Padres National Forest-
Mountains Of San Benito County And Interior Monterey County
Including Pinnacles National Park-
259 AM PST Thu Nov 16 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in San Francisco has cancelled the
Wind Advisory. 

Although some gusty winds are expected this morning, wind speeds
are not expected to exceed advisory criteria. 

$$

CAZ507-511-512-161200-
/O.CAN.KMTR.WI.Y.0021.000000T0000Z-171116T1100Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Santa Cruz Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, Blackhawk, Scotts Valley, Boulder Creek, and Day Valley
259 AM PST Thu Nov 16 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in San Francisco has cancelled the
Wind Advisory. Although some gusty winds are expected this morning, 
wind speeds are not expected to exceed advisory criteria. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 14, 10:07 AM PSTFlash Flood WatchMTRMarin, Napa, Sonoma41 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.