Alert archive / Washington / Wind Advisories in 2021
Wind Advisory 13, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Mar 5, 2021, 8:56 AM PST for San Juan County, Washington. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Mar 5, 2021, 8:56 AM PST (16:56 UTC)
- Expired
- Mar 5, 2021, 2:00 PM PST
- In force
- 5 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 16:57 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, 4.9 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
- 3 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 645 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 753 m²/s²
- 0-3 km storm-relative helicity
- 930 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
155 WWUS76 KSEW 051656 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 856 AM PST Fri Mar 5 2021 WAZ001-503-052200- /O.NEW.KSEW.WI.Y.0013.210305T1656Z-210305T2200Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 856 AM PST Fri Mar 5 2021 ...WIND ADVISORY IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... * WHAT...South winds 20 to 35 mph with gusts up to 50 mph. * WHERE...San Juan County and Western Whatcom County. * WHEN...Until 2 PM PST this afternoon. * 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 along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
1 follow-up statement
532 WWUS76 KSEW 051849 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 1049 AM PST Fri Mar 5 2021 WAZ506-510-052200- /O.EXA.KSEW.WI.Y.0013.000000T0000Z-210305T2200Z/ Western Skagit County-Admiralty Inlet Area- Including the cities of Mount Vernon, Anacortes, Sedro-Woolley, Burlington, and Port Townsend 1049 AM PST Fri Mar 5 2021 ...WIND ADVISORY IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Western Skagit County and Admiralty Inlet Area. * WHEN...Until 2 PM PST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds along the water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ001-503-052200- /O.CON.KSEW.WI.Y.0013.000000T0000Z-210305T2200Z/ San Juan County-Western Whatcom County- Including the cities of Friday Harbor and Bellingham 1049 AM PST Fri Mar 5 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THIS AFTERNOON... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Western Whatcom County and San Juan County. * WHEN...Until 2 PM PST this afternoon. * 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 along the water. 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 |
|---|---|---|---|---|
| Mar 4, 8:23 PM PST | Small Craft Advisory | SEW | 47 hr | |
| Mar 5, 2:54 PM PST | Gale Watch | SEW | 24 hr | |
| Mar 5, 3:04 PM PST | Special Weather Statement | SEW | Island | 26 min |
| Mar 5, 3:21 PM PST | Special Weather Statement | SEW | Kitsap | 39 min |
| Mar 5, 3:33 PM PST | Special Weather Statement | SEW | Skagit | 42 min |
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.