Alert archive / Washington / Wind Advisories in 2021
Wind Advisory 16, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Sep 15, 2021, 3:02 PM PDT for San Juan County, Washington. It took effect at Sep 17, 2021, 5:00 AM PDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Sep 15, 2021, 3:02 PM PDT (22:02 UTC)
- In effect from
- Sep 17, 2021, 5:00 AM PDT
- Expired
- Sep 17, 2021, 11:00 PM PDT
- In force
- 18 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 22:00 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, 10.0 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
335 WWUS76 KSEW 152202 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 302 PM PDT Wed Sep 15 2021 WAZ516-517-160615- /O.NEW.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 302 PM PDT Wed Sep 15 2021 ...WIND ADVISORY IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...North Coast and Central Coast. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Highest winds are expected to be directly along the coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-506-510-160615- /O.NEW.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 302 PM PDT Wed Sep 15 2021 ...WIND ADVISORY IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 30 to 40 mph with gusts up to 50 mph expected. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected to be directly near the area waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
8 follow-up statements
108 WWUS76 KSEW 160510 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 1010 PM PDT Wed Sep 15 2021 WAZ516-517-161415- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 1010 PM PDT Wed Sep 15 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...North Coast and Central Coast. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds are expected along the immediate coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-506-510-161415- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 1010 PM PDT Wed Sep 15 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 30 to 40 mph with gusts up to 50 mph expected. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected immediately along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
778 WWUS76 KSEW 161139 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 439 AM PDT Thu Sep 16 2021 WAZ516-517-170000- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 439 AM PDT Thu Sep 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...North Coast and Central Coast. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected along the immediate coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-506-510-170000- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 439 AM PDT Thu Sep 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected immediately along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
675 WWUS76 KSEW 162149 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 249 PM PDT Thu Sep 16 2021 WAZ516-517-170600- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 249 PM PDT Thu Sep 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...North Coast and Central Coast. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected along the immediate coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-506-510-170600- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 249 PM PDT Thu Sep 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected immediately along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
324 WWUS76 KSEW 170530 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 1030 PM PDT Thu Sep 16 2021 WAZ516-517-171200- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 1030 PM PDT Thu Sep 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...North Coast and Central Coast. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected along the immediate coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-506-510-171200- /O.CON.KSEW.WI.Y.0016.210917T1200Z-210918T0300Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 1030 PM PDT Thu Sep 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 5 AM TO 8 PM PDT FRIDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...From 5 AM to 8 PM PDT Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected immediately along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
877 WWUS76 KSEW 171201 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 501 AM PDT Fri Sep 17 2021 WAZ516-517-180015- /O.CON.KSEW.WI.Y.0016.000000T0000Z-210918T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 501 AM PDT Fri Sep 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...South winds 20 to 30 mph with gusts up to 40 mph. * WHERE...North Coast and Central Coast. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected along the immediate coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-506-510-180015- /O.CON.KSEW.WI.Y.0016.000000T0000Z-210918T0300Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 501 AM PDT Fri Sep 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING... * WHAT...Southeast winds 30 to 40 mph with gusts up to 55 mph. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected immediately along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
671 WWUS76 KSEW 172341 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 441 PM PDT Fri Sep 17 2021 WAZ516-517-180600- /O.EXT.KSEW.WI.Y.0016.000000T0000Z-210918T0600Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 441 PM PDT Fri Sep 17 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph. * WHERE...North Coast and Central Coast. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected along the immediate coast. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-506-510-180600- /O.EXT.KSEW.WI.Y.0016.000000T0000Z-210918T0600Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 441 PM PDT Fri Sep 17 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are expected immediately along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
501 WWUS76 KSEW 180127 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 627 PM PDT Fri Sep 17 2021 WAZ506-510-180600- /O.UPG.KSEW.WI.Y.0016.000000T0000Z-210918T0600Z/ /O.NEW.KSEW.HW.W.0004.210918T0127Z-210918T0600Z/ Western Skagit County-Admiralty Inlet Area- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 627 PM PDT Fri Sep 17 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...South winds 30 to 40 mph with gusts up to 60 mph. * WHERE...Western Skagit County, Admiralty Inlet Area including Whidbey Island. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected especially on Whidbey Island. 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. && $$ WAZ516-517-180600- /O.CON.KSEW.WI.Y.0016.000000T0000Z-210918T0600Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 627 PM PDT Fri Sep 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph. * WHERE...North Coast and Central Coast. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-180600- /O.CON.KSEW.WI.Y.0016.000000T0000Z-210918T0600Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 627 PM PDT Fri Sep 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... * WHAT...South winds 25 to 35 mph with gusts up to 50 mph. * WHERE...San Juan County and Western Whatcom County. * WHEN...Until 11 PM PDT 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. && $$
529 WWUS76 KSEW 180556 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 1056 PM PDT Fri Sep 17 2021 WAZ506-510-180700- /O.EXP.KSEW.HW.W.0004.000000T0000Z-210918T0600Z/ Western Skagit County-Admiralty Inlet Area- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 1056 PM PDT Fri Sep 17 2021 ...HIGH WIND WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING... Winds have fallen below warning threshold at this hour. Breezy west winds will continue through the night across the area with additional impacts not expected. $$ WAZ516-517-180700- /O.EXP.KSEW.WI.Y.0016.000000T0000Z-210918T0600Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 1056 PM PDT Fri Sep 17 2021 ...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING... Winds have weakened below advisory threshold at this hour. Breezy southerly to westerly winds expected through the next several hours with additional impacts not expected. $$ WAZ001-503-180700- /O.EXP.KSEW.WI.Y.0016.000000T0000Z-210918T0600Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 1056 PM PDT Fri Sep 17 2021 ...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING... Winds have weakened below advisory threshold at this hour. Breezy southerly to westerly winds expected through the night with additional impacts not expected. $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 2:53 AM PDT | Gale Watch | SEW | 24 hr | |
| Sep 15, 2:54 PM PDT | Small Craft Advisory | SEW | 3 days |
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.