Alert archive / Washington / High Wind Warnings in 2020
High Wind Warning 2, NWS Seattle, WA
NWS Seattle, WA issued this high wind warning at Jan 11, 2020, 2:47 PM PST for San Juan County, Washington. It took effect at Jan 12, 2020, 12:00 PM PST. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 11, 2020, 2:47 PM PST (22:47 UTC)
- In effect from
- Jan 12, 2020, 12:00 PM PST
- Expired
- Jan 13, 2020, 2:26 AM PST
- In force
- 14 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 22:47 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, 10.8 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
- 12 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
727 WWUS76 KSEW 112247 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 247 PM PST Sat Jan 11 2020 WAZ001-503-121215- /O.NEW.KSEW.HW.W.0002.200112T2000Z-200113T1500Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 247 PM PST Sat Jan 11 2020 ...HIGH WIND WARNING IN EFFECT FROM NOON SUNDAY TO 7 AM PST MONDAY... * WHAT...Northeast winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...San Juan County and Western Whatcom County. * WHEN...From noon Sunday to 7 AM PST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Wind combined with snow may result in blowing snow with reduced visibility at times. 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. && $$ WAZ506-121215- /O.NEW.KSEW.WI.Y.0004.200112T2000Z-200113T1500Z/ Western Skagit County- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 247 PM PST Sat Jan 11 2020 ...WIND ADVISORY IN EFFECT FROM NOON SUNDAY TO 7 AM PST MONDAY... * WHAT...North winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Western Skagit County. * WHEN...From noon Sunday to 7 AM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind combined with snow may result in blowing snow with reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
5 follow-up statements
210 WWUS76 KSEW 120945 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 145 AM PST Sun Jan 12 2020 WAZ001-503-130000- /O.CON.KSEW.HW.W.0002.200112T2000Z-200113T1500Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 145 AM PST Sun Jan 12 2020 ...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 AM PST MONDAY... * WHAT...Northeast winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...San Juan County and Western Whatcom County. * WHEN...From noon Sunday to 7 AM PST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Wind combined with snow this afternoon may result in blowing snow with reduced visibility at times. 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. && $$ WAZ516-517-130000- /O.EXB.KSEW.WI.Y.0004.200112T1600Z-200113T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 145 AM PST Sun Jan 12 2020 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 7 PM PST THIS EVENING... * WHAT...North winds 25 to 35 mph with gusts up to 45 mph expected. Strongest winds along the immediate coastline. * WHERE...North Coast and Central Coast. * WHEN...From 8 AM this morning to 7 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ506-130000- /O.CON.KSEW.WI.Y.0004.200112T2000Z-200113T1500Z/ Western Skagit County- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 145 AM PST Sun Jan 12 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 AM PST MONDAY... * WHAT...North winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Western Skagit County. * WHEN...From noon Sunday to 7 AM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind combined with snow may result in blowing snow with reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
583 WWUS76 KSEW 122211 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 211 PM PST Sun Jan 12 2020 WAZ001-503-130630- /O.CON.KSEW.HW.W.0002.000000T0000Z-200113T1500Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 211 PM PST Sun Jan 12 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...Northeast winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Western Whatcom County and San Juan County. * WHEN...Until 7 AM PST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are likely. Travel will be difficult, especially for high profile vehicles. Wind combined with snow may result in blowing snow with reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WAZ506-130630- /O.CON.KSEW.WI.Y.0004.000000T0000Z-200113T1500Z/ Western Skagit County- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 211 PM PST Sun Jan 12 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...North winds 15 to 30 mph with gusts up to 45 mph. * WHERE...Western Skagit County. * WHEN...Until 7 AM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind combined with snow may result in blowing snow with reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ516-517-130300- /O.CON.KSEW.WI.Y.0004.000000T0000Z-200113T0300Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 211 PM PST Sun Jan 12 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... * WHAT...Northwest winds 15 to 30 mph with gusts up to 40 mph. * WHERE...North Coast and Central Coast. * WHEN...Until 7 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
586 WWUS76 KSEW 130254 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 654 PM PST Sun Jan 12 2020 WAZ001-503-131100- /O.CON.KSEW.HW.W.0002.000000T0000Z-200113T1500Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 654 PM PST Sun Jan 12 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...Northeast winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Western Whatcom County and San Juan County. * WHEN...Until 7 AM PST Monday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are likely. Travel will be difficult, especially for high profile vehicles. Wind combined with snow may result in blowing snow with reduced visibility at times. 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. && $$ WAZ516-517-130600- /O.EXT.KSEW.WI.Y.0004.000000T0000Z-200113T0600Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 654 PM PST Sun Jan 12 2020 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Northwest winds 15 to 30 mph with gusts up to 40 mph. * WHERE...North Coast and Central Coast. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ506-131100- /O.CON.KSEW.WI.Y.0004.000000T0000Z-200113T1500Z/ Western Skagit County- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 654 PM PST Sun Jan 12 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...North winds 15 to 30 mph with gusts up to 45 mph. * WHERE...Western Skagit County. * WHEN...Until 7 AM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind combined with snow may result in blowing snow with reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
404 WWUS76 KSEW 130512 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 912 PM PST Sun Jan 12 2020 WAZ001-503-131315- /O.CON.KSEW.HW.W.0002.000000T0000Z-200113T1500Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 912 PM PST Sun Jan 12 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...Northeast winds 25 to 40 mph with gusts up to 60 mph. * WHERE...Western Whatcom County and San Juan County. * WHEN...Until 7 AM PST Monday. * IMPACTS...Damaging winds combined with the heavy wet snow will blow down trees and power lines. Power outages are likely. Travel will be difficult, especially for high profile vehicles. Wind combined with snow may result in blowing snow with reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WAZ516-517-131200- /O.EXT.KSEW.WI.Y.0004.000000T0000Z-200113T1200Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 912 PM PST Sun Jan 12 2020 ...WIND ADVISORY NOW IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Northwest winds 15 to 30 mph with gusts up to 40 mph. * WHERE...North Coast and Central Coast. * WHEN...Until 4 AM PST Monday. * 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. && $$ WAZ506-131315- /O.CON.KSEW.WI.Y.0004.000000T0000Z-200113T1500Z/ Western Skagit County- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 912 PM PST Sun Jan 12 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST MONDAY... * WHAT...North winds 15 to 30 mph with gusts up to 45 mph. * WHERE...Western Skagit County. * WHEN...Until 7 AM PST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind combined with snow may result in blowing snow with reduced visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
787 WWUS76 KSEW 131026 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 226 AM PST Mon Jan 13 2020 WAZ001-503-131130- /O.CAN.KSEW.HW.W.0002.000000T0000Z-200113T1500Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 226 AM PST Mon Jan 13 2020 ...HIGH WIND WARNING IS CANCELLED... The high wind warning was replaced with a wind chill advisory. Fraser outflow will give wind chills around zero today. $$ WAZ506-131130- /O.CAN.KSEW.WI.Y.0004.000000T0000Z-200113T1500Z/ Western Skagit County- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, and Burlington 226 AM PST Mon Jan 13 2020 ...WIND ADVISORY IS CANCELLED... Windy conditions will be in the Fraser outflow which extends from the Bellingham area out through the San Juans north of the area. $$ WAZ516-517-131130- /O.CAN.KSEW.WI.Y.0004.000000T0000Z-200113T1200Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 226 AM PST Mon Jan 13 2020 ...WIND ADVISORY IS CANCELLED... Breezy easterly winds of 15 to 25 mph will likely develop in the north today around Neah Bay but strong winds are not expected. $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 4:02 PM PST | Coastal Flood Advisory | SEW | 18 hr | |
| Jan 10, 4:02 PM PST | High Surf Warning | SEW | 24 hr | |
| Jan 11, 2:04 AM PST | Gale Warning | SEW | 47 hr | |
| Jan 11, 2:46 PM PST | Winter Storm Watch | SEW | San Juan | 23 hr |
| Jan 11, 2:47 PM PST | Wind Advisory | SEW | 36 hr |
Nearby
High Wind Warnings in Washington, 2020Every high wind warning in 2020
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.