Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 7, NWS Seattle, WA

February 6, 2021San Juan County, Washington

NWS Seattle, WA issued this wind advisory at Feb 6, 2021, 3:59 AM PST for San Juan County, Washington. It took effect at Feb 6, 2021, 7:57 AM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 6, 2021, 3:59 AM PST (11:59 UTC)
In effect from
Feb 6, 2021, 7:57 AM PST
Expired
Feb 6, 2021, 5:38 PM PST
In force
10 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 12:04 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, 12.0 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 2021-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLEL10008507005003002001001 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 2021-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
3 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

994 
WWUS76 KSEW 061159
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
359 AM PST Sat Feb 6 2021

WAZ001-503-506-507-510-062000-
/O.NEW.KSEW.WI.Y.0007.210206T1800Z-210207T0600Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, Everett, Edmonds, Lynnwood,
Marysville, and Port Townsend
359 AM PST Sat Feb 6 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PST
THIS EVENING...

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

* WHERE...San Juan County, Western Whatcom County, Western 
  Skagit County, Everett and Vicinity and Admiralty Inlet Area.

* WHEN...From 10 AM this morning to 10 PM PST this evening.

* 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.

&&

$$

WAZ516-517-062000-
/O.NEW.KSEW.WI.Y.0007.210206T1800Z-210207T0600Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
359 AM PST Sat Feb 6 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PST
THIS EVENING...

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

* WHERE...North Coast and Central Coast.

* WHEN...From 10 AM this morning to 10 PM PST this evening.

* 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.

&&

$$

WAZ509-555-556-558-559-062000-
/O.NEW.KSEW.WI.Y.0007.210206T1800Z-210207T0600Z/
Tacoma Area-East Puget Sound Lowlands-Bellevue and Vicinity-
Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Tacoma, Covington-Sawyer-w, Maple Valley,
Monroe, Prairie Ridge, Enumclaw, Bonney Lake, Woodinville, 
Redmond, Kirkland, Bothell, Kenmore, Newport Hills, Sahalee, 
Pine Lake, Seattle, Bremerton, and Silverdale
359 AM PST Sat Feb 6 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PST
THIS EVENING...

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

* WHERE...Tacoma Area, East Puget Sound Lowlands, Bellevue and 
  Vicinity, Seattle and Vicinity and Bremerton and Vicinity.

* WHEN...From 10 AM this morning to 10 PM PST this evening.

* 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.

&&

$$
3 follow-up statements
437 
WWUS76 KSEW 061557
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
757 AM PST Sat Feb 6 2021

WAZ511-070000-
/O.EXB.KSEW.WI.Y.0007.210206T1557Z-210207T0600Z/
Hood Canal Area-
Including the city of Shelton
757 AM PST Sat Feb 6 2021

...WIND ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...Southwest wind 20 to 35 mph with gusts up to 45 mph.

* WHERE...Hood Canal Area.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$

WAZ001-503-506-507-510-070000-
/O.EXT.KSEW.WI.Y.0007.210206T1557Z-210207T0600Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, Everett, Edmonds, Lynnwood,
Marysville, and Port Townsend
757 AM PST Sat Feb 6 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...South wind 25 to 35 mph with gusts to 45 mph becoming 
  southwest to west late this morning.

* WHERE...San Juan County, Western Whatcom County, Everett and 
  Vicinity, Western Skagit County and Admiralty Inlet Area.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$

WAZ516-517-070000-
/O.EXT.KSEW.WI.Y.0007.210206T1557Z-210207T0600Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
757 AM PST Sat Feb 6 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING...

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

* WHERE...North Coast and Central Coast.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$

WAZ509-555-556-558-559-070000-
/O.EXT.KSEW.WI.Y.0007.210206T1557Z-210207T0600Z/
Tacoma Area-East Puget Sound Lowlands-Bellevue and Vicinity-
Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Tacoma, Covington-Sawyer-w, Maple Valley,
Monroe, Prairie Ridge, Enumclaw, Bonney Lake, Woodinville, 
Redmond, Kirkland, Bothell, Kenmore, Newport Hills, Sahalee, 
Pine Lake, Seattle, Bremerton, and Silverdale
757 AM PST Sat Feb 6 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...Southwest wind 20 to 35 mph with gusts up to 45 mph.

* WHERE...Tacoma Area, Bellevue and Vicinity, East Puget Sound 
  Lowlands, Seattle and Vicinity and Bremerton and Vicinity.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$
192 
WWUS76 KSEW 062301
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
301 PM PST Sat Feb 6 2021

WAZ001-503-506-507-510-070600-
/O.CON.KSEW.WI.Y.0007.000000T0000Z-210207T0600Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, Everett, Edmonds, Lynnwood,
Marysville, and Port Townsend
301 PM PST Sat Feb 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph.

* WHERE...San Juan County, Western Whatcom County, Everett and 
  Vicinity, Western Skagit County and Admiralty Inlet Area.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$

WAZ516-517-070600-
/O.CON.KSEW.WI.Y.0007.000000T0000Z-210207T0600Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
301 PM PST Sat Feb 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...Northwest winds 20 to 35 mph with gusts up to 45 mph.

* WHERE...North Coast and Central Coast.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$

WAZ509-511-555-556-558-559-070600-
/O.CON.KSEW.WI.Y.0007.000000T0000Z-210207T0600Z/
Tacoma Area-Hood Canal Area-East Puget Sound Lowlands-
Bellevue and Vicinity-Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Tacoma, Shelton, Covington-Sawyer-w, 
Maple Valley, Monroe, Prairie Ridge, Enumclaw, Bonney Lake, 
Woodinville, Redmond, Kirkland, Bothell, Kenmore, Newport Hills, 
Sahalee, Pine Lake, Seattle, Bremerton, and Silverdale
301 PM PST Sat Feb 6 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WHAT...Southwest winds 20 to 35 mph with gusts up to 45 mph.

* WHERE...Tacoma Area, Bellevue and Vicinity, East Puget Sound 
  Lowlands, Hood Canal Area, Seattle and Vicinity and Bremerton 
  and Vicinity.

* WHEN...Until 10 PM PST this evening.

* 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.

&&

$$
459 
WWUS76 KSEW 070138
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
538 PM PST Sat Feb 6 2021

WAZ001-503-506-507-509>511-516-517-555-556-558-559-070245-
/O.CAN.KSEW.WI.Y.0007.000000T0000Z-210207T0600Z/
San Juan County-Western Whatcom County-Western Skagit County-
Everett and Vicinity-Tacoma Area-Admiralty Inlet Area-
Hood Canal Area-North Coast-Central Coast-
East Puget Sound Lowlands-Bellevue and Vicinity-
Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, Everett, Edmonds, Lynnwood,
Marysville, Tacoma, Port Townsend, Shelton, Beaver, Clearwater, 
Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, Hoquiam, 
Covington-Sawyer-w, Maple Valley, Monroe, Prairie Ridge, 
Enumclaw, Bonney Lake, Woodinville, Redmond, Kirkland, Bothell, 
Kenmore, Newport Hills, Sahalee, Pine Lake, Seattle, Bremerton, 
and Silverdale
538 PM PST Sat Feb 6 2021

...WIND ADVISORY IS CANCELLED...

While winds will remain breezy through the evening hours, most
locations have fallen below advisory criteria over the past
several hours.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 3:56 AM PSTGale WarningSEW18 hr

Nearby

Wind Advisories in Washington, 2021Every wind advisory 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.