Alert archive / Washington / Wind Advisories in 2024
Wind Advisory 19, NWS Seattle, WA
NWS Seattle, WA issued this wind advisory at Nov 21, 2024, 3:17 AM PST for San Juan County, Washington. It took effect at Nov 21, 2024, 10:00 PM PST. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Nov 21, 2024, 3:17 AM PST (11:17 UTC)
- In effect from
- Nov 21, 2024, 10:00 PM PST
- Expired
- Nov 23, 2024, 4:00 AM PST
- In force
- 30 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 11:19 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, 11.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 562 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Seattle, WA wrote its last area forecast discussion before this wind advisory went out at Nov 21, 3:17 AM PST, 0 minutes earlier.
Area forecast discussion, Nov 21, 3:17 AM PST, 0 minutes before
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</html>The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 4:15 PM PST | Tornado Warning | SEW | Grays Harbor | 30 min |
| Nov 20, 4:32 PM PST | Special Marine Warning | SEW | 28 min | |
| Nov 20, 4:38 PM PST | Tornado Warning | SEW | Grays Harbor | 22 min |
| Nov 21, 2:41 AM PST | Gale Warning | SEW | 47 hr | |
| Nov 21, 2:41 AM PST | Storm Warning | SEW | 41 hr | |
| Nov 21, 1:51 PM PST | Small Craft Advisory | SEW | 49 hr | |
| Nov 21, 2:47 PM PST | High Surf Advisory | SEW | 29 hr |
Nearby
Wind Advisories in Washington, 2024Every wind advisory in 2024
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.