Alert archive / Washington / Wind Advisories in 2021
Wind Advisory 29, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Nov 24, 2021, 3:05 PM PST for San Juan County, Washington. It took effect at Nov 24, 2021, 6:00 PM PST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Nov 24, 2021, 3:05 PM PST (23:05 UTC)
- In effect from
- Nov 24, 2021, 6:00 PM PST
- Expired
- Nov 25, 2021, 6:00 PM PST
- In force
- 24 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 23:09 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, 11.1 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
353 WWUS76 KSEW 242305 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 305 PM PST Wed Nov 24 2021 WAZ001-503-506-510-251230- /O.NEW.KSEW.WI.Y.0029.211125T0200Z-211126T0200Z/ 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 305 PM PST Wed Nov 24 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 PM PST THURSDAY... * WHAT...Southeast winds 20 to 30 mph with local gusts of 35 to 45 mph expected. * WHERE...San Juan County, Western Whatcom County, Western Skagit County and Admiralty Inlet Area. * WHEN...Until 6 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. && $$
3 follow-up statements
530 WWUS76 KSEW 251108 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 308 AM PST Thu Nov 25 2021 WAZ001-503-506-510-251915- /O.CON.KSEW.WI.Y.0029.000000T0000Z-211126T0200Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 308 AM PST Thu Nov 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Southeast winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Western Whatcom County, Western Skagit County, Admiralty Inlet Area and San Juan County. * WHEN...Until 6 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
960 WWUS76 KSEW 251728 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 928 AM PST Thu Nov 25 2021 WAZ001-503-506-510-260130- /O.CON.KSEW.WI.Y.0029.000000T0000Z-211126T0200Z/ 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 928 AM PST Thu Nov 25 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * WHAT...Southeast winds 20 to 30 mph with gusts up to 40 mph. * WHERE...Western Whatcom County, Western Skagit County, Admiralty Inlet Area and San Juan County. * WHEN...Until 6 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. && $$
700 WWUS76 KSEW 260134 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 534 PM PST Thu Nov 25 2021 WAZ001-503-506-510-260245- /O.EXP.KSEW.WI.Y.0029.000000T0000Z-211126T0200Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 534 PM PST Thu Nov 25 2021 ...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING... Winds are gradually easing this evening, so the advisory will be allowed to expire at 6 PM. However, local gusts to around 30 mph will continue this evening within the advisory area, especially nearest the waters of the Salish Sea. $$ 12
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 24, 2:29 AM PST | Gale Watch | SEW | 6 hr | |
| Nov 24, 2:29 AM PST | Small Craft Advisory | SEW | 60 hr | |
| Nov 24, 2:43 AM PST | Flood Watch | SEW | Clallam, Grays Harbor, Jefferson, King, Mason, Skagit and 2 more | 5 days |
| Nov 24, 8:47 AM PST | Gale Warning | SEW | 34 hr | |
| Nov 24, 2:44 PM PST | Gale Watch | SEW | 6 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.