Alert archive / Washington / Wind Advisories in 2018
Wind Advisory 2, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Jan 16, 2018, 3:24 PM PST for San Juan County, Washington. It took effect at Jan 17, 2018, 10:00 AM PST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jan 16, 2018, 3:24 PM PST (23:24 UTC)
- In effect from
- Jan 17, 2018, 10:00 AM PST
- Expired
- Jan 17, 2018, 8:00 PM PST
- In force
- 10 hr
- Issued by
- NWS Seattle, WA
County San Juan County, WA
The nearest sounding before it
Quillayute State, WA (KUIL), launched 12:00Z, 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.
- Mixed-layer CAPE
- 32 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 514 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
569 WWUS76 KSEW 162324 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 324 PM PST Tue Jan 16 2018 WAZ001-503-506-171130- /O.NEW.KSEW.WI.Y.0002.180117T1800Z-180118T0100Z/ San Juan County-Western Whatcom County-Western Skagit County- 324 PM PST Tue Jan 16 2018 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 5 PM PST WEDNESDAY... The National Weather Service in Seattle has issued a Wind Advisory, which is in effect from 10 AM to 5 PM PST Wednesday. * WIND...Southeast 20 to 35 mph, with gusts near 45 mph. * SOME AFFECTED LOCATIONS...The San Juan Islands, Anacortes, Lummi Island, and coastal Whatcom County. * TIMING...Wind speeds peaking from late Wednesday morning through late Wednesday afternoon. * IMPACTS...Winds of this magnitude can lead to minor tree damage and spotty power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ www.weather.gov/seattle
3 follow-up statements
673 WWUS76 KSEW 170503 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 903 PM PST Tue Jan 16 2018 WAZ510-516-517-171230- /O.EXB.KSEW.WI.Y.0002.180117T1800Z-180118T0200Z/ Admiralty Inlet Area-North Coast-Central Coast- 903 PM PST Tue Jan 16 2018 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 6 PM PST WEDNESDAY... The National Weather Service in Seattle has issued a Wind Advisory, which is in effect from 10 AM to 6 PM PST Wednesday. * WIND...Southeast 20 to 35 mph, with gusts near 45 mph. * SOME AFFECTED LOCATIONS...Whidbey Island, Port Townsend, Neah Bay, La Push, Kalaloch, Ocean Shores, Hoquiam, Westport. * TIMING...Wind speeds peaking from late Wednesday morning through late Wednesday afternoon. * IMPACTS...Winds of this magnitude can lead to minor tree damage and spotty power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ WAZ001-503-506-171230- /O.EXT.KSEW.WI.Y.0002.180117T1800Z-180118T0200Z/ San Juan County-Western Whatcom County-Western Skagit County- 903 PM PST Tue Jan 16 2018 ...WIND ADVISORY NOW IN EFFECT FROM 10 AM TO 6 PM PST WEDNESDAY... * WIND...Southeast 20 to 35 mph, with gusts near 45 mph. * SOME AFFECTED LOCATIONS...The San Juan Islands, Anacortes, Lummi Island, and coastal Whatcom County. * TIMING...Wind speeds peaking from late Wednesday morning through late Wednesday afternoon. * IMPACTS...Winds of this magnitude can lead to minor tree damage and spotty power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ www.weather.gov/seattle
944 WWUS76 KSEW 171105 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 305 AM PST Wed Jan 17 2018 WAZ001-503-506-510-516-517-180200- /O.CON.KSEW.WI.Y.0002.180117T1800Z-180118T0200Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area-North Coast-Central Coast- 305 AM PST Wed Jan 17 2018 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM PST THIS EVENING... * WIND...Southeast 20 to 35 mph, with gusts near 45 mph. * SOME AFFECTED LOCATIONS...San Juan Islands, Whidbey Island, Port Townsend, coastal Whatcom county, Neah Bay, La Push, Kalaloch, Ocean Shores, Hoquiam, Westport. * TIMING...Wind speeds peaking from late this morning through late this afternoon. * IMPACTS...Winds of this magnitude can lead to minor tree damage and spotty power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ www.weather.gov/seattle
092 WWUS76 KSEW 180156 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 556 PM PST Wed Jan 17 2018 WAZ516-517-180300- /O.EXP.KSEW.WI.Y.0002.000000T0000Z-180118T0200Z/ North Coast-Central Coast- 556 PM PST Wed Jan 17 2018 ...WIND ADVISORY WILL EXPIRE AT 6 PM PST THIS EVENING FOR THE NORTH AND CENTRAL COAST OF WASHINGTON... $$ WAZ001-503-506-510-180400- /O.EXT.KSEW.WI.Y.0002.000000T0000Z-180118T0400Z/ San Juan County-Western Whatcom County-Western Skagit County- Admiralty Inlet Area- 556 PM PST Wed Jan 17 2018 ...WIND ADVISORY NOW IN EFFECT UNTIL 8 PM PST THIS EVENING... * WIND...Southeast 20 to 35 mph, with gusts near 50 mph. * SOME AFFECTED LOCATIONS...San Juan Islands, Whidbey Island, Port Townsend, Whatcom county. * TIMING...Southeast winds are peaking, and will ease by 8 PM PST this evening. * IMPACTS...Winds of this magnitude can lead to minor tree damage and spotty power outages. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ www.weather.gov/seattle
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 15, 8:45 PM PST | Gale Watch | SEW | 18 hr | |
| Jan 16, 2:41 AM PST | Small Craft Advisory | SEW | 5 days | |
| Jan 16, 3:01 PM PST | Gale Warning | SEW | 54 hr |
Nearby
Wind Advisories in Washington, 2018Every wind advisory in 2018
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.