Alert archive / Washington / High Wind Warnings in 2017

High Wind Warning 8, NWS Seattle, WA

October 17, 2017San Juan County, Washington

NWS Seattle, WA issued this high wind warning at Oct 17, 2017, 2:47 PM PDT for San Juan County, Washington. It took effect at Oct 18, 2017, 9:00 AM PDT. It was in force for 11 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Oct 17, 2017, 2:47 PM PDT (21:47 UTC)
In effect from
Oct 18, 2017, 9:00 AM PDT
Expired
Oct 18, 2017, 7:32 PM PDT
In force
11 hr
Issued by
NWS Seattle, WA

County San Juan County, WA

The radar

The Seattle radar (KATX), 54 km from the middle of the area, began a volume at 21:48 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.

What was reported inside it

TimeReportWhereRemark
Oct 18, 11:22 AM PDTNON-TSTM WND GST 557 E Friday Harbor, WAMESONET STATION D7371, LOPEZ ISLAND.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Quillayute State, WA (KUIL), launched 12:00Z, 9.8 hours before the alert went out and 127 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, Quillayute State, WA at 12:00Z on 2017-10-17Temperature 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, Quillayute State, WA at 12:00Z on 2017-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.1939587897Sfc1 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
447 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

244 
WWUS76 KSEW 172147
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
247 PM PDT Tue Oct 17 2017

WAZ001-503-506-507-510-181200-
/O.UPG.KSEW.HW.A.0001.171018T1500Z-171019T0400Z/
/O.NEW.KSEW.HW.W.0008.171018T1800Z-171019T0600Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
247 PM PDT Tue Oct 17 2017

...HIGH WIND WARNING IN EFFECT FROM 11 AM TO 11 PM PDT
WEDNESDAY...

The National Weather Service in Seattle has issued a High Wind
Warning, which is in effect from 11 AM to 11 PM PDT Wednesday.
The High Wind Watch is no longer in effect. 

* WIND...Southeast and south winds will increase Wednesday morning
  and persist into early Wednesday evening. Sustained wind speeds
  of 20 to 35 mph are possible, with gusts to 50 mph. 

* SOME AFFECTED LOCATIONS...Everett, Port Townsend, Whidbey 
  Island, Anacortes, the San Juan Islands, Bellingham. 

* TIMING...Winds will increase late Wednesday morning, peak on
  Wednesday afternoon, then ease Wednesday evening. 

* IMPACTS...Winds of this magnitude can cause tree damage and 
  scattered power outages. This will be the first event of this 
  magnitude this season. Such events commonly bring more impacts 
  in terms of tree damage and power outages than the same wind 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds of this magnitude can cause tree damage and scattered power
outages. Large falling branches have been known to cause 
fatalities during windstorms. 

Secure loose outdoor objects or light-weight furniture before the
winds arrive.

&&

$$

WAZ516-517-181200-
/O.UPG.KSEW.HW.A.0001.171018T1300Z-171019T0300Z/
/O.NEW.KSEW.HW.W.0008.171018T1800Z-171019T0600Z/
North Coast-Central Coast-
247 PM PDT Tue Oct 17 2017

...HIGH WIND WARNING IN EFFECT FROM 11 AM TO 11 PM PDT
WEDNESDAY...

The National Weather Service in Seattle has issued a High Wind
Warning, which is in effect from 11 AM to 11 PM PDT Wednesday.
The High Wind Watch is no longer in effect. 

* WIND...Southeast and south winds will increase Wednesday morning
  and persist into early Wednesday evening. Sustained wind speeds
  of 25 to 40 mph are possible, with gusts of 55. 

* SOME AFFECTED LOCATIONS...Westport, Ocean Shores, Hoquiam, 
  Kalaloch, La Push, Forks, Neah Bay. 

* TIMING...Winds will increase Wednesday morning, peak on
  Wednesday afternoon, then ease Wednesday evening. 

* IMPACTS...Winds of this magnitude can cause tree damage and 
  scattered power outages. This will be the first event of this 
  magnitude this season. Such events commonly bring more impacts 
  in terms of tree damage and power outages than the same wind 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds of this magnitude can topple trees onto roads, 
vehicles, and rooftops. Falling trees or large branches have been 
known to cause fatalities during windstorms.

Secure loose outdoor objects or light-weight furniture before the
winds arrive.

&&

$$

WAZ509-511-556-558-559-181200-
/O.NEW.KSEW.WI.Y.0015.171018T1800Z-171019T0600Z/
Tacoma Area-Hood Canal Area-Bellevue and Vicinity-
Seattle and Vicinity-Bremerton and Vicinity-
247 PM PDT Tue Oct 17 2017

...WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY...

The National Weather Service in Seattle has issued a Wind
Advisory, which is in effect from 11 AM to 11 PM PDT Wednesday. 

* WIND...Southeast 20 to 30 mph with gusts 40 mph.

* SOME AFFECTED LOCATIONS...Seattle, Bellevue, Tacoma, Bremerton. 

* TIMING...Winds will increase early Wednesday afternoon and peak
  during the evening commute. 
  
* IMPACTS...Winds of this magnitude can cause minor tree damage
  and local power outages. This will be the first event of this 
  magnitude this season. Such events commonly bring more impacts 
  in terms of tree damage and power outages than the same wind 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds up to 35 mph with gusts up to 55
mph are expected. Winds this strong can make driving 
difficult, especially for high profile vehicles. Use extra 
caution.

&&

$$

www.weather.gov/seattle
5 follow-up statements
690 
WWUS76 KSEW 181036
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
336 AM PDT Wed Oct 18 2017

WAZ001-503-506-507-510-182300-
/O.EXT.KSEW.HW.W.0008.171018T1600Z-171019T0400Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
336 AM PDT Wed Oct 18 2017

...HIGH WIND WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
PDT THIS EVENING...

* WIND...Southeast and south winds of 20 to 35 mph are possible, 
  with gusts to near 50 mph. 

* SOME AFFECTED LOCATIONS...Everett, Port Townsend, Whidbey 
  Island, Anacortes, the San Juan Islands, Bellingham. 

* TIMING...Winds will increase this morning, peak during the early
  afternoon, then ease early this evening. 

* IMPACTS...Winds of this magnitude can cause tree damage and 
  scattered power outages. This will be the first event of this 
  magnitude this season. Such events commonly bring more impacts 
  in terms of tree damage and power outages than the same wind 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds of this magnitude can cause tree damage and scattered power
outages. Large falling branches have been known to cause
fatalities during windstorms.

Secure loose outdoor objects or light-weight furniture before the
winds arrive.

&&

$$

WAZ516-517-182300-
/O.EXT.KSEW.HW.W.0008.171018T1600Z-171019T0400Z/
North Coast-Central Coast-
336 AM PDT Wed Oct 18 2017

...HIGH WIND WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
PDT THIS EVENING...

* WIND...Southeast and south winds will increase this morning. 
  Sustained wind speeds of 25 to 40 mph are possible, with gusts 
  of 55 mph. 

* SOME AFFECTED LOCATIONS...Westport, Ocean Shores, Hoquiam, 
  Kalaloch, La Push, Forks, Neah Bay. 

* TIMING...Winds will increase this morning, then peak this
  afternoon. Winds will ease early this evening. 

* IMPACTS...Winds of this magnitude can cause tree damage and 
  scattered power outages. This will be the first event of this 
  magnitude this season. Such events commonly bring more impacts 
  in terms of tree damage and power outages than the same wind 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High winds of this magnitude can topple trees onto roads,
vehicles, and rooftops. Falling trees or large branches have been
known to cause fatalities during windstorms.

Secure loose outdoor objects or light-weight furniture before the
winds arrive.

&&

$$

WAZ504-182300-
/O.EXA.KSEW.WI.Y.0015.171018T1800Z-171019T0600Z/
Southwest Interior-
336 AM PDT Wed Oct 18 2017

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT
THIS EVENING...

The National Weather Service in Seattle has issued a Wind
Advisory, which is in effect from 11 AM this morning to 11 PM PDT
this evening. 

* WIND...South-southeast winds 20 to 30 mph with gusts 40 to 45 
  mph.

* SOME AFFECTED LOCATIONS...Centralia, Olympia, Yelm.

* TIMING...Winds will increase this morning, then peak late this
  afternoon and early this evening. Winds will ease late this
  evening.

* IMPACTS...Winds of this magnitude can cause minor tree damage 
  and local power outages. This will be the first event of this 
  magnitude this season. Such events commonly bring more impacts 
  in terms of tree damage and power outages than the same wind 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds up to 35 mph with gusts up to
55 mph are expected. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

WAZ509-511-556-558-559-182300-
/O.CON.KSEW.WI.Y.0015.171018T1800Z-171019T0600Z/
Tacoma Area-Hood Canal Area-Bellevue and Vicinity-
Seattle and Vicinity-Bremerton and Vicinity-
336 AM PDT Wed Oct 18 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING...

* WIND...South to southeast 20 to 30 mph with gusts around 40 to
  45 mph.

* SOME AFFECTED LOCATIONS...Seattle, Bellevue, Tacoma, Bremerton.

* TIMING...Winds will increase late this morning and peak during
  the evening commute. Winds will ease late this evening. 

* IMPACTS...Winds of this magnitude can cause minor tree damage 
  and local power outages. This will be the first event of this 
  magnitude this season. Such events commonly bring more impacts 
  in terms of tree damage and power outages than the same wind 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds up to 35 mph with gusts up to
55 mph are expected. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

www.weather.gov/seattle
614 
WWUS76 KSEW 181939 
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
1239 PM PDT Wed Oct 18 2017

WAZ001-503-506-507-510-190400-
/O.CON.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
1239 PM PDT Wed Oct 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT FOR THE NORTHWEST INTERIOR
UNTIL 9 PM PDT THIS EVENING...

* WIND...Southerly 20 to 35 mph with gusts as high as 55 mph. So
  far, Lopez Island had a gust of 53 mph. 

* SOME AFFECTED LOCATIONS...Everett, Port Townsend, Whidbey 
  Island, Anacortes, the San Juan Islands, and Bellingham. 

* TIMING...Wind speeds will peak by 5 PM PDT before diminishing
  this evening. 

* IMPACTS...Winds this strong can topple weakened trees, snap tree
  limbs, and cause power outages. This will be the first event of
  this magnitude this season. These early season events tend to 
  cause more damage and power outages than winds with similar 
  speeds occurring later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Loose outdoor objects or light-weight furniture should be secured
before damaging winds arrive. If the power goes out, avoid the 
risk of carbon monoxide poisoning by keeping portable generators 
and barbecue drills outdoors.

&&

$$

WAZ516-517-190400-
/O.CON.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
North Coast-Central Coast-
1239 PM PDT Wed Oct 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT FOR THE NORTHERN AND 
CENTRAL COAST UNTIL 9 PM PDT THIS EVENING...

* WIND...Southerly 25 to 40 mph with gusts to 55 mph. 

* SOME AFFECTED LOCATIONS...Westport, Ocean Shores, Hoquiam, La 
  Push, Forks, and Neah Bay. 

* TIMING...Wind speeds are anticipated to peak by 5 PM PDT before
  diminishing this evening. 

* IMPACTS...Winds this strong can topple weakened trees, snap tree
  limbs, and cause power outages. This will be the first event of
  this magnitude this season. These early season events tend to 
  cause more damage and power outages than winds with similar 
  speeds occurring later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Loose outdoor objects or light-weight furniture should be secured
before damaging winds arrive. If the power goes out, avoid the 
risk of carbon monoxide poisoning by keeping portable generators 
and barbecue drills outdoors.

&&

$$

WAZ504-509-511-556-558-559-190400-
/O.CON.KSEW.WI.Y.0015.000000T0000Z-171019T0600Z/
Southwest Interior-Tacoma Area-Hood Canal Area-
Bellevue and Vicinity-Seattle and Vicinity-Bremerton and Vicinity-
1239 PM PDT Wed Oct 18 2017

...WIND ADVISORY REMAINS IN EFFECT FOR THE SOUTHWEST INTERIOR AND
PARTS OF THE PUGET SOUND REGION UNTIL 11 PM PDT THIS EVENING...

* WIND...Southerly and increasing to 20 to 30 mph with gusts near
  45 mph. 

* SOME AFFECTED LOCATIONS...Seattle, Bellevue, Tacoma, Bremerton,
  and Olympia.

* TIMING...Wind speeds are anticipated to peak between 4 and 8 PM
  PDT before diminishing. 

* IMPACTS...Winds this strong can snap tree limbs and cause local
  power outages. This will be the first event of this magnitude
  this season. These early season events tend to cause more damage
  and power outages than winds with similar speeds occurring 
  later in the season. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Loose outdoor objects or light-weight furniture should be secured
before the strong winds arrive. 

&&

$$

www.weather.gov/seattle
229 
WWUS76 KSEW 190019
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
519 PM PDT Wed Oct 18 2017

WAZ001-503-506-507-510-190400-
/O.CON.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
519 PM PDT Wed Oct 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT FOR THE NORTHWEST INTERIOR 
UNTIL 9 PM PDT THIS EVENING...

* WIND...Gusted in the 45 to 55 mph range today. The strongest 
  winds have occurred over Whidbey Island, Lopez Island, and 
  western Whatcom County. 

* SOME AFFECTED LOCATIONS...Everett, Port Townsend, Whidbey 
  Island, Anacortes, the San Juan Islands, and Bellingham. 

* TIMING...Wind speeds will diminish this evening behind the 
  front. 

* IMPACTS...Winds this strong have toppled a few trees, snapped
  some tree limbs, and caused local power outages. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If the power goes out, avoid the risk of carbon monoxide 
poisoning by keeping portable generators and barbecue drills 
outdoors.

&&

$$

WAZ516-517-190400-
/O.CON.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
North Coast-Central Coast-
519 PM PDT Wed Oct 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT FOR THE NORTH AND CENTRAL
COAST UNTIL 9 PM PDT THIS EVENING...

* WIND...Gusted mainly in the 45 to 55 mph range today. Hoquiam 
  had a gust to 56 mph this afternoon. 

* SOME AFFECTED LOCATIONS...Westport, Ocean Shores, Hoquiam, La 
  Push, Forks, and Neah Bay. 

* TIMING...Wind speeds were peaking now and will diminish after 
  the front moves through. 

* IMPACTS...Winds this strong have toppled a few trees, snapped
  some tree limbs, and caused local power outages.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Loose outdoor objects or light-weight furniture should be secured
before damaging winds arrive. If the power goes out, avoid the
risk of carbon monoxide poisoning by keeping portable generators
and barbecue drills outdoors.

&&

$$

WAZ504-509-511-556-558-559-190400-
/O.CON.KSEW.WI.Y.0015.000000T0000Z-171019T0600Z/
Southwest Interior-Tacoma Area-Hood Canal Area-
Bellevue and Vicinity-Seattle and Vicinity-Bremerton and Vicinity-
519 PM PDT Wed Oct 18 2017

...WIND ADVISORY REMAINS IN EFFECT FOR THE SOUTHWEST INTERIOR AND
PARTS OF THE PUGET SOUND REGION UNTIL 11 PM PDT THIS EVENING...

* WIND...Southerly 20 to 30 mph with gusts near 45 mph. So far,
  winds have gusted to 46 mph in Tacoma.

* SOME AFFECTED LOCATIONS...Seattle, Bellevue, Tacoma, Bremerton,
  Olympia, and Rochester. 

* TIMING...Wind speeds will diminish this evening behind the
  front. 

* IMPACTS...Winds this strong have snapped some tree limbs and 
  caused local power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 30 to 39 mph and/or gusts of
45 to 57 mph are expected. Winds this strong can make driving 
difficult, especially for high profile vehicles. Use extra 
caution.

&&

$$

www.weather.gov/seattle
647 
WWUS76 KSEW 190050 CCA
NPWSEW

URGENT - WEATHER MESSAGE...CORRECTED
National Weather Service Seattle WA
550 PM PDT Wed Oct 18 2017

WAZ001-503-506-507-510-190400-
/O.COR.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
550 PM PDT Wed Oct 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT FOR THE NORTHWEST INTERIOR 
UNTIL 9 PM PDT THIS EVENING...

* WIND...Gusted in the 45 to 55 mph range today. The strongest 
  winds have occurred over Whidbey Island, Lopez Island, and 
  western Whatcom County. 

* SOME AFFECTED LOCATIONS...Everett, Port Townsend, Whidbey 
  Island, Anacortes, the San Juan Islands, and Bellingham. 

* TIMING...Wind speeds will diminish this evening behind the 
  front. 

* IMPACTS...Winds this strong have toppled a few trees, snapped
  some tree limbs, and caused local power outages. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If the power goes out, avoid the risk of carbon monoxide 
poisoning by keeping portable generators and barbecue grills 
outdoors.

&&

$$

WAZ516-517-190400-
/O.COR.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
North Coast-Central Coast-
550 PM PDT Wed Oct 18 2017

...HIGH WIND WARNING REMAINS IN EFFECT FOR THE NORTH AND CENTRAL
COAST UNTIL 9 PM PDT THIS EVENING...

* WIND...Gusted mainly in the 45 to 55 mph range today. Hoquiam 
  had a gust to 56 mph this afternoon. 

* SOME AFFECTED LOCATIONS...Westport, Ocean Shores, Hoquiam, La 
  Push, Forks, and Neah Bay. 

* TIMING...Wind speeds were peaking now and will diminish after 
  the front moves through. 

* IMPACTS...Winds this strong have toppled a few trees, snapped
  some tree limbs, and caused local power outages.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If the power goes out, avoid the risk of carbon monoxide 
poisoning by keeping portable generators and barbecue grills 
outdoors.

&&

$$

WAZ504-509-511-556-558-559-190400-
/O.CON.KSEW.WI.Y.0015.000000T0000Z-171019T0600Z/
Southwest Interior-Tacoma Area-Hood Canal Area-
Bellevue and Vicinity-Seattle and Vicinity-Bremerton and Vicinity-
550 PM PDT Wed Oct 18 2017

...WIND ADVISORY REMAINS IN EFFECT FOR THE SOUTHWEST INTERIOR AND
PARTS OF THE PUGET SOUND REGION UNTIL 11 PM PDT THIS EVENING...

* WIND...Southerly 20 to 30 mph with gusts near 45 mph. So far,
  winds have gusted to 46 mph in Tacoma.

* SOME AFFECTED LOCATIONS...Seattle, Bellevue, Tacoma, Bremerton,
  Olympia, and Rochester. 

* TIMING...Wind speeds will diminish this evening behind the
  front. 

* IMPACTS...Winds this strong have snapped some tree limbs and 
  caused local power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 30 to 39 mph and/or gusts of
45 to 57 mph are expected. Winds this strong can make driving 
difficult, especially for high profile vehicles. Use extra 
caution.

&&

$$

www.weather.gov/seattle
165 
WWUS76 KSEW 190232
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
732 PM PDT Wed Oct 18 2017

WAZ507-190600-
/O.CAN.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
/O.EXA.KSEW.WI.Y.0015.000000T0000Z-171019T0600Z/
Everett and Vicinity-
732 PM PDT Wed Oct 18 2017

...WIND ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...
...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Seattle has issued a Wind
Advisory, which is in effect until 11 PM PDT this evening. The
High Wind Warning has been cancelled. 

* WIND...Southerly wind 20 to 30 mph with local gusts 35 to 45 mph
  will continue to ease this evening. 
  
* SOME AFFECTED LOCATIONS...Seattle, Bellevue, Tacoma, 
  Bremerton, Olympia, and Rochester. 

* TIMING...Wind speeds will diminish this evening behind the 
  front. 

* IMPACTS...Winds this strong have snapped some tree limbs and 
  caused local power outages. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 30 to 39 mph and/or gusts of
45 to 57 mph are expected. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.


&&

$$

WAZ001-503-506-510-516-517-190345-
/O.CAN.KSEW.HW.W.0008.000000T0000Z-171019T0400Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-North Coast-Central Coast-
732 PM PDT Wed Oct 18 2017

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Seattle has cancelled the High
Wind Warning. 

Winds peaked in the afternoon most places. Pressure gradients and
winds eased quickly this evening. Periods of rain and breezy 
weather will continue through Thursday morning.


$$

WAZ504-509-511-556-558-559-190600-
/O.CON.KSEW.WI.Y.0015.000000T0000Z-171019T0600Z/
Southwest Interior-Tacoma Area-Hood Canal Area-
Bellevue and Vicinity-Seattle and Vicinity-Bremerton and Vicinity-
732 PM PDT Wed Oct 18 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WIND...Southerly 20 to 30 mph with gusts near 45 mph. 

* SOME AFFECTED LOCATIONS...Seattle, Bellevue, Tacoma, 
  Bremerton, Olympia, and Rochester. 

* TIMING...Wind speeds will diminish this evening behind the 
  front. 

* IMPACTS...Winds this strong have snapped some tree limbs and 
  caused local power outages. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 30 to 39 mph and/or gusts of
45 to 57 mph are expected. Winds this strong can make driving
difficult, especially for high profile vehicles. Use extra
caution.

&&

$$

www.weather.gov/seattle

The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 16, 8:48 PM PDTGale WatchSEW6 hr
Oct 17, 2:51 AM PDTGale WarningSEW12 hr
Oct 17, 2:51 AM PDTGale WarningSEW42 hr
Oct 17, 4:24 AM PDTFlood WatchSEWMason, Skagit, Snohomish, Whatcom52 hr
Oct 17, 4:25 AM PDTGale WarningSEW3 hr
Oct 17, 4:25 AM PDTSmall Craft AdvisorySEW28 hr
Oct 17, 8:58 AM PDTSmall Craft AdvisorySEW14 hr
Oct 17, 2:47 PM PDTWind AdvisorySEW32 hr

Nearby

High Wind Warnings in Washington, 2017Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.