Alert archive / Washington / Wind Advisories in 2025

Wind Advisory 19, NWS Seattle, WA

December 5, 20255 counties in Washington

NWS Seattle, WA issued this wind advisory at Dec 5, 2025, 1:12 AM PST for 5 counties in Washington. It took effect at Dec 5, 2025, 1:00 PM PST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Dec 5, 2025, 1:12 AM PST (09:12 UTC)
In effect from
Dec 5, 2025, 1:00 PM PST
Expired
Dec 6, 2025, 7:00 AM PST
In force
18 hr
Issued by
NWS Seattle, WA

Counties Island County, WA, King County, WA, Mason County, WA, Pierce County, WA, Thurston County, WA

The radar

The Seattle radar (KATX), 88 km from the middle of the area, began a volume at 09:15 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 00:00Z, 9.2 hours before the alert went out and 159 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.

Skew-T log-pSkew-T log-p diagram, Quillayute State, WA at 00:00Z on 2025-12-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Quillayute State, WA at 00:00Z on 2025-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
423 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
407 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 5, 12:16 PM PSTWinter Storm WarningSEWKing, Snohomish22 hr
Dec 5, 12:16 PM PSTWinter Weather AdvisorySEWLewis, Pierce22 hr
Dec 5, 1:25 PM PSTCoastal Flood AdvisorySEWSan Juan, Skagit, Snohomish, Whatcom46 hr

Nearby

Wind Advisories in Washington, 2025Every wind advisory in 2025

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.