Alert archive / Washington / High Wind Watches in 2021
High Wind Watch 2, NWS Seattle, WA
NWS Seattle, WA issued this high wind watch at Jan 4, 2021, 2:38 PM PST for San Juan County, Washington. It took effect at Jan 5, 2021, 10:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 4, 2021, 2:38 PM PST (22:38 UTC)
- In effect from
- Jan 5, 2021, 10:00 AM PST
- Expired
- Jan 5, 2021, 2:26 AM PST
- In force
- 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 22:41 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, 10.6 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
- 18 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 523 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 522 m²/s²
- 0-3 km storm-relative helicity
- 549 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
573 WWUS76 KSEW 042238 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 238 PM PST Mon Jan 4 2021 WAZ001-503-506-050645- /O.NEW.KSEW.HW.A.0002.210105T1800Z-210106T0600Z/ San Juan County-Western Whatcom County-Western Skagit County- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 238 PM PST Mon Jan 4 2021 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...Southeast winds 30 to 40 mph with gusts up to 55 to 60 mph possible. * WHERE...San Juan County, Western Whatcom County and Western Skagit County. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WAZ516-050645- /O.NEW.KSEW.HW.A.0002.210105T1800Z-210106T0300Z/ North Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, and Queets 238 PM PST Mon Jan 4 2021 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...Southeast winds 30 to 40 mph with gusts up to 55 to 60 mph possible. * WHERE...North Coast. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
2 follow-up statements
831 WWUS76 KSEW 050515 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 915 PM PST Mon Jan 4 2021 WAZ001-503-506-051315- /O.CON.KSEW.HW.A.0002.210105T1800Z-210106T0600Z/ San Juan County-Western Whatcom County-Western Skagit County- Including the cities of Friday Harbor, Bellingham, Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 915 PM PST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...Southeast winds 35 to 45 mph with gusts up to 55 mph possible. * WHERE...Western Whatcom County, San Juan County and Western Skagit County. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WAZ516-051315- /O.CON.KSEW.HW.A.0002.210105T1800Z-210106T0300Z/ North Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, and Queets 915 PM PST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...Southeast winds 30 to 40 mph with gusts up to 50 mph possible. * WHERE...North Coast. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
744 WWUS76 KSEW 051026 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 226 AM PST Tue Jan 5 2021 WAZ516-060300- /O.UPG.KSEW.HW.A.0002.210105T1800Z-210106T0300Z/ /O.NEW.KSEW.HW.W.0002.210105T1800Z-210106T0300Z/ North Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, and Queets 226 AM PST Tue Jan 5 2021 ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PST THIS EVENING... * WHAT...South winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...North Coast. * WHEN...From 10 AM this morning to 7 PM PST this evening. * IMPACTS...Damaging winds will blow down trees and power lines. 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. && $$ WAZ001-503-060330- /O.UPG.KSEW.HW.A.0002.210105T1800Z-210106T0600Z/ /O.NEW.KSEW.HW.W.0002.210105T2000Z-210106T0600Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 226 AM PST Tue Jan 5 2021 ...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING... * WHAT...Southeast winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...San Juan County and Western Whatcom County. * WHEN...From noon today to 10 PM PST this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WAZ506-060330- /O.UPG.KSEW.HW.A.0002.210105T1800Z-210106T0600Z/ /O.NEW.KSEW.WI.Y.0003.210105T2000Z-210106T0600Z/ Western Skagit County- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 226 AM PST Tue Jan 5 2021 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING... * WHAT...Southeast winds 30 to 40 mph with gusts up to 55 mph expected. * WHERE...Western Skagit County. * WHEN...From noon today 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. && $$ WAZ517-060300- /O.NEW.KSEW.WI.Y.0003.210105T1800Z-210106T0300Z/ Central Coast- Including the cities of Aberdeen and Hoquiam 226 AM PST Tue Jan 5 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PST THIS EVENING... * WHAT...South winds 30 to 40 mph with gusts up to 50 mph expected. * WHERE...Central Coast. * WHEN...From 10 AM this morning to 7 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ510-060330- /O.NEW.KSEW.WI.Y.0003.210105T2000Z-210106T0600Z/ Admiralty Inlet Area- Including the city of Port Townsend 226 AM PST Tue Jan 5 2021 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING... * WHAT...Southeast winds 30 to 40 mph with gusts up to 55 mph expected. * WHERE...Admiralty Inlet Area. * WHEN...From noon today 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. && $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 7:40 AM PST | Coastal Flood Advisory | SEW | San Juan | 3 hr |
| Jan 4, 2:31 PM PST | Gale Watch | SEW | 6 hr | |
| Jan 4, 2:31 PM PST | Small Craft Advisory | SEW | 4 days |
Nearby
High Wind Watches in Washington, 2021Every high wind watch 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.