Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 1, NWS Seattle, WA

January 1, 2021San Juan County, Washington

NWS Seattle, WA issued this wind advisory at Jan 1, 2021, 2:56 PM PST for San Juan County, Washington. It took effect at Jan 2, 2021, 7:00 AM PST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jan 1, 2021, 2:56 PM PST (22:56 UTC)
In effect from
Jan 2, 2021, 7:00 AM PST
Expired
Jan 2, 2021, 7:00 PM PST
In force
12 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 22:55 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 12:00Z, 10.9 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 2021-01-01Temperature 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 2021-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 701 square meters per square second.19395878Sfc1 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
466 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
701 m²/s²
0-3 km storm-relative helicity
906 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

825 
WWUS76 KSEW 012256
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
256 PM PST Fri Jan 1 2021

WAZ516-517-020700-
/O.UPG.KSEW.HW.A.0001.210102T1500Z-210103T0600Z/
/O.NEW.KSEW.HW.W.0001.210102T1500Z-210103T0600Z/
/O.CON.KSEW.WI.Y.0027.000000T0000Z-210102T0300Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
256 PM PST Fri Jan 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...
...HIGH WIND WARNING IN EFFECT FROM 7 AM TO 10 PM PST SATURDAY...

* WHAT...For the High Wind Warning, southwest winds 20 to 40 mph
  with gusts up to 60 mph expected. For the Wind Advisory,
  southwest winds 15 to 25 mph with gusts up to 40 to 45 mph.

* WHERE...North Coast and Central Coast.

* WHEN...For the High Wind Warning, from 7 AM to 10 PM PST 
  Saturday. For the Wind Advisory, until 7 PM PST this evening.

* 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.

&&

$$

WAZ001-503-506-510-020700-
/O.NEW.KSEW.WI.Y.0001.210102T1500Z-210103T0300Z/
/O.CON.KSEW.WI.Y.0027.000000T0000Z-210102T0300Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, and Port Townsend
256 PM PST Fri Jan 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...
...WIND ADVISORY IN EFFECT FROM 7 AM TO 7 PM PST SATURDAY...

* WHAT...For the first Wind Advisory, south winds 20 to 30 mph
  with gusts up to 45 mph. For the second Wind Advisory, south
  winds 20 to 35 mph with gusts up to 55 mph expected.

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

* WHEN...For the first Wind Advisory, until 7 PM PST this 
  evening. For the second Wind Advisory, from 7 AM to 7 PM PST 
  Saturday.

* 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.

&&

$$

WAZ504-507-509-511-558-559-020700-
/O.NEW.KSEW.WI.Y.0001.210102T1800Z-210103T0300Z/
Southwest Interior-Everett and Vicinity-Tacoma Area-
Hood Canal Area-Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Olympia, Lacey, Tumwater, Everett, 
Edmonds, Lynnwood, Marysville, Tacoma, Shelton, Seattle, 
Bremerton, and Silverdale
256 PM PST Fri Jan 1 2021

...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM PST SATURDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph
  expected. Strongest winds expected to be near the water.

* WHERE...Southwest Interior, Everett and Vicinity, Tacoma Area, 
  Hood Canal Area, Seattle and Vicinity and Bremerton and 
  Vicinity.

* WHEN...From 10 AM to 7 PM PST Saturday.

* 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.

&&

$$
4 follow-up statements
115 
WWUS76 KSEW 020308
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
708 PM PST Fri Jan 1 2021

WAZ516-517-021245-
/O.EXP.KSEW.WI.Y.0027.000000T0000Z-210102T0300Z/
/O.CON.KSEW.HW.W.0001.210102T1500Z-210103T0600Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
708 PM PST Fri Jan 1 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM PST
SATURDAY...
...WIND ADVISORY FOR FRIDAY HAS ENDED...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph
  expected on Saturday.

* WHERE...North Coast and Central Coast.

* WHEN...7 AM to 10 PM PST Saturday.
  

* 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.

&&

$$

WAZ001-503-506-510-021245-
/O.EXP.KSEW.WI.Y.0027.000000T0000Z-210102T0300Z/
/O.CON.KSEW.WI.Y.0001.210102T1500Z-210103T0300Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, and Port Townsend
708 PM PST Fri Jan 1 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM PST
SATURDAY...
...WIND ADVISORY FOR FRIDAY HAS ENDED...

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

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

* WHEN...7 AM to 7 PM PST Saturday.

* 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.

&&

$$

WAZ504-507-509-511-558-559-021245-
/O.CON.KSEW.WI.Y.0001.210102T1800Z-210103T0300Z/
Southwest Interior-Everett and Vicinity-Tacoma Area-
Hood Canal Area-Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Olympia, Lacey, Tumwater, Everett, 
Edmonds, Lynnwood, Marysville, Tacoma, Shelton, Seattle, 
Bremerton, and Silverdale
708 PM PST Fri Jan 1 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM PST
SATURDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph 
  expected. Strongest winds expected to be near the water.

* WHERE...Southwest Interior, Everett and Vicinity, Tacoma Area, 
  Hood Canal Area, Seattle and Vicinity and Bremerton and 
  Vicinity.

* WHEN...From 10 AM to 7 PM PST Saturday.

* 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.

&&

$$
456 
WWUS76 KSEW 021131
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
331 AM PST Sat Jan 2 2021

WAZ516-517-022115-
/O.EXT.KSEW.HW.W.0001.210102T1500Z-210103T0200Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
331 AM PST Sat Jan 2 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 7 AM THIS MORNING TO 6 PM
PST THIS EVENING...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph
  expected.

* WHERE...North Coast and Central Coast.

* WHEN...From 7 AM this morning to 6 PM PST this evening.

* 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.

&&

$$

WAZ001-503-506-510-022115-
/O.CON.KSEW.WI.Y.0001.210102T1500Z-210103T0300Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, and Port Townsend
331 AM PST Sat Jan 2 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM
PST THIS EVENING...

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

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

* WHEN...From 7 AM this morning to 7 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.

&&

$$

WAZ504-507-509-511-558-559-022115-
/O.CON.KSEW.WI.Y.0001.210102T1800Z-210103T0300Z/
Southwest Interior-Everett and Vicinity-Tacoma Area-
Hood Canal Area-Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Olympia, Lacey, Tumwater, Everett, 
Edmonds, Lynnwood, Marysville, Tacoma, Shelton, Seattle, 
Bremerton, and Silverdale
331 AM PST Sat Jan 2 2021

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

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph 
  expected. Strongest winds expected to be near the water.

* WHERE...Southwest Interior, Everett and Vicinity, Tacoma Area, 
  Hood Canal Area, Seattle and Vicinity and Bremerton and 
  Vicinity.

* WHEN...From 10 AM this morning to 7 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.

&&

$$
644 
WWUS76 KSEW 021844
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
1044 AM PST Sat Jan 2 2021

WAZ516-517-030200-
/O.CON.KSEW.HW.W.0001.000000T0000Z-210103T0200Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
1044 AM PST Sat Jan 2 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

* WHAT...Southwest winds 25 to 40 mph with gusts up to 60 mph.

* WHERE...North Coast and Central Coast.

* WHEN...Until 6 PM PST this evening.

* 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.

&&

$$

WAZ001-503-506-510-030245-
/O.CON.KSEW.WI.Y.0001.000000T0000Z-210103T0300Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, and Port Townsend
1044 AM PST Sat Jan 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

* WHAT...South winds 25 to 40 mph with gusts up to 55 mph.

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

* WHEN...Until 7 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.

&&

$$

WAZ504-507-509-511-558-559-030245-
/O.CON.KSEW.WI.Y.0001.000000T0000Z-210103T0300Z/
Southwest Interior-Everett and Vicinity-Tacoma Area-
Hood Canal Area-Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Olympia, Lacey, Tumwater, Everett, 
Edmonds, Lynnwood, Marysville, Tacoma, Shelton, Seattle, 
Bremerton, and Silverdale
1044 AM PST Sat Jan 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph.
  Strongest winds expected to be near the water.

* WHERE...Tacoma Area, Hood Canal Area, Everett and Vicinity, 
  Southwest Interior, Seattle and Vicinity and Bremerton and 
  Vicinity.

* WHEN...Until 7 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.

&&

$$
985 
WWUS76 KSEW 022248
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
248 PM PST Sat Jan 2 2021

WAZ516-517-030200-
/O.CON.KSEW.HW.W.0001.000000T0000Z-210103T0200Z/
North Coast-Central Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam
248 PM PST Sat Jan 2 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

* WHAT...Southwest winds 25 to 40 mph with gusts up to 55 mph.

* WHERE...North Coast and Central Coast.

* WHEN...Until 6 PM PST this evening.

* 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.

&&

$$

WAZ001-503-506-510-030300-
/O.CON.KSEW.WI.Y.0001.000000T0000Z-210103T0300Z/
San Juan County-Western Whatcom County-Western Skagit County-
Admiralty Inlet Area-
Including the cities of Friday Harbor, Bellingham, Mount Vernon, 
Anacortes, Sedro-Woolley, Burlington, and Port Townsend
248 PM PST Sat Jan 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

* WHAT...South winds 20 to 35 mph with gusts up to 50 mph.

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

* WHEN...Until 7 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.

&&

$$

WAZ504-507-509-511-558-559-030300-
/O.CON.KSEW.WI.Y.0001.000000T0000Z-210103T0300Z/
Southwest Interior-Everett and Vicinity-Tacoma Area-
Hood Canal Area-Seattle and Vicinity-Bremerton and Vicinity-
Including the cities of Olympia, Lacey, Tumwater, Everett, 
Edmonds, Lynnwood, Marysville, Tacoma, Shelton, Seattle, 
Bremerton, and Silverdale
248 PM PST Sat Jan 2 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph.
  Strongest winds expected to be near the water.

* WHERE...Tacoma Area, Hood Canal Area, Everett and Vicinity, 
  Southwest Interior, Seattle and Vicinity and Bremerton and 
  Vicinity.

* WHEN...Until 7 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 2:44 AM PSTGale WatchSEW12 hr
Jan 1, 2:44 AM PSTSmall Craft AdvisorySEW24 hr
Jan 1, 2:44 AM PSTStorm WatchSEW12 hr
Jan 1, 2:46 AM PSTHigh Wind WatchSEW12 hr
Jan 1, 11:58 AM PSTFlood WatchSEWClallam, Grays Harbor, Island, Jefferson, King, Kitsap and 8 more50 hr
Jan 1, 2:46 PM PSTGale WarningSEW30 hr
Jan 1, 2:49 PM PSTHigh Surf AdvisorySEW49 hr
Jan 1, 2:56 PM PSTHigh Wind WarningSEW27 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.