Alert archive / California / Wind Advisories in 2017

Wind Advisory 19, NWS San Francisco Bay Area, CA

October 11, 2017

NWS San Francisco Bay Area, CA issued this wind advisory at Oct 11, 2017, 2:20 AM PDT. It took effect at Oct 11, 2017, 5:00 PM PDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Oct 11, 2017, 2:20 AM PDT (09:20 UTC)
In effect from
Oct 11, 2017, 5:00 PM PDT
Expired
Oct 12, 2017, 9:11 AM PDT
In force
16 hr
Issued by
NWS San Francisco Bay Area, CA

The text

As transmitted.

036 
WWUS76 KMTR 110920
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
220 AM PDT Wed Oct 11 2017

...Gusty northerly winds to return later today into Thursday...

Winds will switch back from the north later today and increase 
going into tonight. Although speeds will not be as high as the
wind event on Sunday, wind gust could be strong enough to topple
trees and powerlines. A red flag warning is also in effect for
very high fire danger. Winds will decrease late on Thursday.

CAZ507-120200-
/O.NEW.KMTR.WI.Y.0019.171012T0000Z-171013T0000Z/
North Bay Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
and Woodacre
220 AM PDT Wed Oct 11 2017

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM PDT
THURSDAY...

The National Weather Service in San Francisco has issued a Wind
Advisory, which is in effect from 5 PM this afternoon to 5 PM PDT
Thursday. 

* Location: North Bay Mountains. This does not include North Bay
  Valley locations

* Winds: Northerly winds increasing to 20 to 30 mph with local 
  gusts over 50 mph by this evening.

* Timing: Late this afternoon through Thursday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and powerlines.

&&

$$

CAZ511-120200-
/O.NEW.KMTR.WI.Y.0019.171012T0600Z-171013T0000Z/
East Bay Hills and the Diablo Range-
Including the city of Blackhawk
220 AM PDT Wed Oct 11 2017

...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM PDT
THURSDAY...

The National Weather Service in San Francisco has issued a Wind
Advisory, which is in effect from 11 PM this evening to 5 PM PDT
Thursday. 

* Location: East Bay Hills. This does not include East Bay Valley
  locations.

* Winds: Northerly winds increasing to 20 to 30 mph with local
  gusts over 50 mph by midnight.

* Timing: Late this afternoon through Thursday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and powerlines.

&&

$$
3 follow-up statements
075 
WWUS76 KMTR 112037
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
137 PM PDT Wed Oct 11 2017

...Gusty northerly winds to return later today into Thursday...

Winds will switch back from the north later today and increase
overnight into Thursday morning. Although winds will not be as
strong as the wind event this past Sunday night into Monday
morning, wind gust could be strong enough to topple trees and 
powerlines. A red flag warning is also in effect for high fire 
danger. Winds will diminish late in the day Thursday.

CAZ507-120400-
/O.CON.KMTR.WI.Y.0019.171012T0000Z-171013T0000Z/
North Bay Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
and Woodacre
137 PM PDT Wed Oct 11 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 PM PDT THURSDAY...

A Wind Advisory remains in effect from 5 PM this afternoon to 5 
PM PDT Thursday. 

* Location: North Bay Mountains. This does not include North Bay 
  Valley locations 

* Winds: Northerly winds increasing to 20 to 30 mph with local 
  gusts over 50 mph by this evening. 

* Timing: Late this afternoon through Thursday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and powerlines.

&&

$$

CAZ511-120400-
/O.CON.KMTR.WI.Y.0019.171012T0600Z-171013T0000Z/
East Bay Hills and the Diablo Range-
Including the city of Blackhawk
137 PM PDT Wed Oct 11 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
5 PM PDT THURSDAY...

A Wind Advisory remains in effect from 11 PM this evening to 5 PM
PDT Thursday. 

* Location: East Bay Hills. This does not include East Bay 
  Valley locations. 

* Winds: Northerly winds increasing to 20 to 30 mph with local 
  gusts over 50 mph by midnight. 

* Timing: Late this evening through Thursday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can topple trees and powerlines.

&&

$$
833 
WWUS76 KMTR 120358
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
858 PM PDT Wed Oct 11 2017

...Gusty northerly winds to return to the hills Wednesday night 
into Thursday...

Northerly winds will increase in the hills by late Wednesday
evening and become locally strong and gusty later Wednesday night
into Thursday morning. Although winds will not be as strong as 
the wind event this past Sunday night into Monday morning, wind 
gust could be strong enough to topple trees and powerlines. A red 
flag warning is also in effect for high fire danger. Winds will 
diminish on Thursday afternoon.

CAZ507-130000-
/O.CON.KMTR.WI.Y.0019.000000T0000Z-171013T0000Z/
North Bay Mountains-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
and Woodacre
858 PM PDT Wed Oct 11 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THURSDAY...

A Wind Advisory remains in effect until 5 PM PDT Thursday. 

* Location: North Bay Mountains. This does not include North Bay 
  Valley locations 

* Winds: Northerly winds increasing to 20 to 30 mph with local
  gusts over 50 mph Wednesday night and into Thursday morning. 

* Timing: Wednesday Night and Thursday with strongest winds
  expected between midnight Wednesday night and mid morning 
  Thursday.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of at least 45 mph are 
expected. Winds this strong can topple trees and powerlines.

&&

$$

CAZ511-130000-
/O.CON.KMTR.WI.Y.0019.171012T0600Z-171013T0000Z/
East Bay Hills and the Diablo Range-
Including the city of Blackhawk
858 PM PDT Wed Oct 11 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THURSDAY...

A Wind Advisory remains in effect until 5 PM PDT Thursday. 

* Location: East Bay Hills. This does not include East Bay 
  Valley locations. 

* Winds: Northerly winds increasing to 15 to 25 mph with local
  gusts over 45 mph late Wednesday Night and Thursday morning. 

* Timing: Wednesday Night and Thursday with strongest winds
  expected between midnight Wednesday Night and mid morning 
  Thursday.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that wind gusts of at least 45 mph are 
expected. Winds this strong can topple trees and powerlines.

&&

$$
089 
WWUS76 KMTR 121611
NPWMTR

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
911 AM PDT Thu Oct 12 2017

CAZ507-511-121715-
/O.CAN.KMTR.WI.Y.0019.000000T0000Z-171013T0000Z/
North Bay Mountains-East Bay Hills and the Diablo Range-
Including the cities of Angwin, Lagunitas-Forest Knolls, 
Woodacre, and Blackhawk
911 AM PDT Thu Oct 12 2017

...WIND ADVISORY IS CANCELLED...

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

While locally breezy conditions will be possible in the higher
elevations through late morning, Wind speeds have fallen below 
advisory criteria. Thus, the Wind Advisory has been cancelled.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 11, 3:12 AM PDTGale WarningMTR24 hr
Oct 11, 3:12 AM PDTSmall Craft AdvisoryMTR3 days

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.