Alert archive / Washington / High Wind Warnings in 2021

High Wind Warning 6, NWS Seattle, WA

November 9, 2021San Juan County, Washington

NWS Seattle, WA issued this high wind warning at Nov 9, 2021, 1:50 AM PST for San Juan County, Washington. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 9, 2021, 1:50 AM PST (09:50 UTC)
Expired
Nov 9, 2021, 9:42 AM PST
In force
8 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 09:51 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

Quillayute State, WA (KUIL), launched 00:00Z, 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 00:00Z on 2021-11-09Temperature 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 00:00Z on 2021-11-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 351 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
1350 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
351 m²/s²
0-3 km storm-relative helicity
504 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

703 
WWUS76 KSEW 090950
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
150 AM PST Tue Nov 9 2021

WAZ001-503-506-510-514-091800-
/O.UPG.KSEW.WI.Y.0026.000000T0000Z-211109T2000Z/
/O.NEW.KSEW.HW.W.0006.211109T0950Z-211110T0000Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-Eastern Strait of Juan de Fuca-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, Port Townsend, and Sequim
150 AM PST Tue Nov 9 2021

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

* WHAT...South winds 30 to 40 mph with gusts up to 55 mph.

* WHERE...San Juan County, Western Whatcom County, Western 
  Skagit County, Admiralty Inlet Area and Eastern Strait of Juan 
  de Fuca.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WAZ516-517-091800-
/O.UPG.KSEW.WI.Y.0026.000000T0000Z-211109T2000Z/
/O.NEW.KSEW.HW.W.0006.211109T0950Z-211110T0000Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
150 AM PST Tue Nov 9 2021

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 55 mph.

* WHERE...North Coast and Central Coast.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

WAZ507-509-556-558-091800-
/O.EXB.KSEW.WI.Y.0026.211109T1100Z-211110T0000Z/
Everett and Vicinity-Tacoma Area-Bellevue and Vicinity-
Seattle and Vicinity-
Including the cities of Everett, Edmonds, Lynnwood, Marysville, 
Tacoma, Redmond, Kirkland, Bothell, Kenmore, Newport Hills, 
Sahalee, Pine Lake, and Seattle
150 AM PST Tue Nov 9 2021

...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

* WHAT...South winds 25 to 35 mph with gusts up to 45 mph 
  expected.

* WHERE...Everett and Vicinity, Tacoma Area, Bellevue and 
  Vicinity and Seattle and Vicinity.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

WAZ555-091800-
/O.EXT.KSEW.WI.Y.0026.000000T0000Z-211109T1800Z/
East Puget Sound Lowlands-
Including the cities of Covington-Sawyer-w, Maple Valley, Monroe,
Prairie Ridge, Enumclaw, Bonney Lake, and Woodinville
150 AM PST Tue Nov 9 2021

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

* WHAT...South winds 20 to 30 mph with gusts up to 40 mph.

* WHERE...East Puget Sound Lowlands.

* WHEN...Until 10 AM PST this morning.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
1 follow-up statement
992 
WWUS76 KSEW 091742
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
942 AM PST Tue Nov 9 2021

WAZ001-503-506-510-516-517-100000-
/O.CAN.KSEW.HW.W.0006.000000T0000Z-211110T0000Z/
/O.EXA.KSEW.WI.Y.0026.000000T0000Z-211110T0000Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-North Coast-Central Coast-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, Port Townsend, Beaver, 
Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, 
and Hoquiam
942 AM PST Tue Nov 9 2021

...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 50 mph.

* WHERE...San Juan County, Western Whatcom County, Western 
  Skagit County, Admiralty Inlet Area, North Coast and Central 
  Coast.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

WAZ514-091845-
/O.CAN.KSEW.HW.W.0006.000000T0000Z-211110T0000Z/
Eastern Strait of Juan de Fuca-
Including the city of Sequim
942 AM PST Tue Nov 9 2021

...HIGH WIND WARNING IS CANCELLED...

A strong front moved through the area at daybreak. Blustery winds
will occur at times as scattered showers move through the area,
but damaging winds are not expected. 

$$

WAZ555-091845-
/O.CAN.KSEW.WI.Y.0026.000000T0000Z-211109T1800Z/
East Puget Sound Lowlands-
Including the cities of Covington-Sawyer-w, Maple Valley, Monroe,
Prairie Ridge, Enumclaw, Bonney Lake, and Woodinville
942 AM PST Tue Nov 9 2021

...WIND ADVISORY IS CANCELLED...

Windy conditions overnight into the morning hours have eased. It
will still be blustery at times today as scattered showers move
through the area.

$$

WAZ507-509-556-558-100000-
/O.CON.KSEW.WI.Y.0026.000000T0000Z-211110T0000Z/
Everett and Vicinity-Tacoma Area-Bellevue and Vicinity-
Seattle and Vicinity-
Including the cities of Everett, Edmonds, Lynnwood, Marysville, 
Tacoma, Redmond, Kirkland, Bothell, Kenmore, Newport Hills, 
Sahalee, Pine Lake, and Seattle
942 AM PST Tue Nov 9 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph 
  expected.

* WHERE...Everett and Vicinity, Tacoma Area, Bellevue and 
  Vicinity and Seattle and Vicinity.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 8, 10:15 PM PSTRiver Flood WarningSEWMason46 hr
Nov 9, 12:15 AM PSTGale WarningSEW20 hr
Nov 9, 12:15 AM PSTStorm WarningSEW7 hr
Nov 9, 4:04 AM PSTSpecial Weather StatementSEWClallam26 min
Nov 9, 6:29 AM PSTSpecial Weather StatementSEWIsland46 min
Nov 9, 7:17 AM PSTSpecial Weather StatementSEWSkagit, Whatcom28 min
Nov 9, 11:15 AM PSTSpecial Weather StatementSEWGrays Harbor45 min
Nov 9, 11:23 AM PSTSpecial Marine WarningSEW52 min
Nov 9, 11:40 AM PSTTornado WarningSEWKitsap35 min
Nov 9, 11:59 AM PSTTornado WarningSEWKitsap17 min
Nov 9, 12:01 PM PSTSpecial Marine WarningSEW44 min
Nov 9, 12:24 PM PSTSpecial Weather StatementSEWMason51 min
Nov 9, 12:58 PM PSTSpecial Weather StatementSEWClallam32 min
Nov 9, 1:36 PM PSTSpecial Weather StatementSEWKitsap39 min
Nov 9, 1:52 PM PSTSpecial Weather StatementSEWGrays Harbor38 min
Nov 9, 2:00 PM PSTSevere Thunderstorm WarningSEWGrays Harbor, Mason30 min
Nov 9, 2:14 PM PSTSpecial Weather StatementSEWSnohomish46 min
Nov 9, 2:27 PM PSTSevere Thunderstorm WarningSEWMason, Thurston33 min
Nov 9, 2:38 PM PSTSpecial Weather StatementSEWKitsap37 min
Nov 9, 2:41 PM PSTSpecial Marine WarningSEW28 min
Nov 9, 2:50 PM PSTSpecial Weather StatementSEWGrays Harbor25 min

Nearby

High Wind Warnings in Washington, 2021Every high wind warning in 2021

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.