Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 8, NWS Seattle, WA

February 10, 2021San Juan County, Washington

NWS Seattle, WA issued this wind advisory at Feb 10, 2021, 3:25 AM PST for San Juan County, Washington. It took effect at Feb 10, 2021, 4:00 AM PST. It was in force for 52 hr.

The area

The counties it named.

The facts

Issued
Feb 10, 2021, 3:25 AM PST (11:25 UTC)
In effect from
Feb 10, 2021, 4:00 AM PST
Expired
Feb 12, 2021, 7:33 AM PST
In force
52 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 11:22 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, 11.4 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 2021-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2021-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
9 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1071 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

720 
WWUS76 KSEW 101125
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
325 AM PST Wed Feb 10 2021

WAZ001-110000-
/O.NEW.KSEW.WI.Y.0008.210210T1200Z-210212T1800Z/
San Juan County-
Including the city of Friday Harbor
325 AM PST Wed Feb 10 2021

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...San Juan County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ503-110000-
/O.NEW.KSEW.WI.Y.0008.210210T1200Z-210212T1800Z/
Western Whatcom County-
Including the city of Bellingham
325 AM PST Wed Feb 10 2021

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...Western Whatcom County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ506-110000-
/O.NEW.KSEW.WI.Y.0008.210210T1200Z-210212T0000Z/
Western Skagit County-
Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, 
and Burlington
325 AM PST Wed Feb 10 2021

...WIND ADVISORY IN EFFECT UNTIL 4 PM PST THURSDAY...

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

* WHERE...Western Skagit County.

* WHEN...Until 4 PM PST Thursday.

* 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.

&&

$$

WAZ516-110000-
/O.NEW.KSEW.WI.Y.0008.210211T0800Z-210212T1800Z/
North Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, and Queets
325 AM PST Wed Feb 10 2021

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM PST
FRIDAY...

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

* WHERE...North Coast.

* WHEN...From midnight tonight to 10 AM PST Friday.

* 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
996 
WWUS76 KSEW 110403
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
803 PM PST Wed Feb 10 2021

WAZ001-111230-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
San Juan County-
Including the city of Friday Harbor
803 PM PST Wed Feb 10 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...San Juan County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ503-111230-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
Western Whatcom County-
Including the city of Bellingham
803 PM PST Wed Feb 10 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...Western Whatcom County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ506-111230-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T0000Z/
Western Skagit County-
Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, 
and Burlington
803 PM PST Wed Feb 10 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY...

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

* WHERE...Western Skagit County.

* WHEN...Until 4 PM PST Thursday.

* 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.

&&

$$

WAZ516-111230-
/O.CON.KSEW.WI.Y.0008.210211T0800Z-210212T1800Z/
North Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, and Queets
803 PM PST Wed Feb 10 2021

...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
PST FRIDAY...

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

* WHERE...North Coast.

* WHEN...From midnight tonight to 10 AM PST Friday.

* 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.

&&

$$
430 
WWUS76 KSEW 111126
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
326 AM PST Thu Feb 11 2021

WAZ517-120000-
/O.EXB.KSEW.WI.Y.0008.210211T1500Z-210212T1800Z/
Central Coast-
Including the cities of Aberdeen and Hoquiam
326 AM PST Thu Feb 11 2021

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 10 AM PST
FRIDAY...

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

* WHERE...Central Coast.

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

* 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.

&&

$$

WAZ001-120000-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
San Juan County-
Including the city of Friday Harbor
326 AM PST Thu Feb 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...San Juan County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ503-120000-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
Western Whatcom County-
Including the city of Bellingham
326 AM PST Thu Feb 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...Western Whatcom County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ506-120000-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T0000Z/
Western Skagit County-
Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, 
and Burlington
326 AM PST Thu Feb 11 2021

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

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

* WHERE...Western Skagit County.

* 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.

&&

$$

WAZ516-120000-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
North Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, and Queets
326 AM PST Thu Feb 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...North Coast.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$
849 
WWUS76 KSEW 112249
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
249 PM PST Thu Feb 11 2021

WAZ001-121400-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
San Juan County-
Including the city of Friday Harbor
249 PM PST Thu Feb 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...San Juan County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ503-121400-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
Western Whatcom County-
Including the city of Bellingham
249 PM PST Thu Feb 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...Western Whatcom County.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ506-120000-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T0000Z/
Western Skagit County-
Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, 
and Burlington
249 PM PST Thu Feb 11 2021

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

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

* WHERE...Western Skagit County.

* 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.

&&

$$

WAZ516-121400-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
North Coast-
Including the cities of Beaver, Clearwater, Forks, La Push, 
Neah Bay, Ozette, and Queets
249 PM PST Thu Feb 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...North Coast.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$

WAZ517-121400-
/O.CON.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
Central Coast-
Including the cities of Aberdeen and Hoquiam
249 PM PST Thu Feb 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

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

* WHERE...Central Coast.

* WHEN...Until 10 AM PST Friday.

* 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.

&&

$$
436 
WWUS76 KSEW 121533
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
733 AM PST Fri Feb 12 2021

WAZ001-503-516-517-121645-
/O.CAN.KSEW.WI.Y.0008.000000T0000Z-210212T1800Z/
San Juan County-Western Whatcom County-North Coast-Central Coast-
Including the cities of Friday Harbor, Bellingham, Beaver, 
Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, 
and Hoquiam
733 AM PST Fri Feb 12 2021

...WIND ADVISORY IS CANCELLED...

Winds have eased below advisory thresholds and, as such, the Wind
Advisory has been cancelled.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 2:46 AM PSTSmall Craft AdvisorySEW65 hr
Feb 10, 3:29 PM PSTHeavy Freezing Spray AdvisorySEW19 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.