Alert archive / Oregon / Wind Advisories in 2024
Wind Advisory 9, NWS Portland, OR
NWS Portland, OR issued this wind advisory at Dec 25, 2024, 11:37 PM PST for 10 counties in Oregon; Clark County, Cowlitz County, Washington. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 25, 2024, 11:37 PM PST (07:37 UTC)
- Expired
- Dec 26, 2024, 7:59 AM PST
- In force
- 8 hr
- Issued by
- NWS Portland, OR
Counties Benton County, OR, Clackamas County, OR, Columbia County, OR, Lane County, OR, Linn County, OR, Marion County, OR, Multnomah County, OR, Polk County, OR, Washington County, OR, Yamhill County, OR, Clark County, WA, Cowlitz County, WA
The radar
The Portland,OR radar (KRTX), 60 km from the middle of the area, began a volume at 07:41 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
Medford/Jackson, OR (KMFR), launched 00:00Z, 7.6 hours before the alert went out and 313 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
- 962 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 281 m²/s²
- 0-3 km storm-relative helicity
- 556 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 Portland, OR wrote its last area forecast discussion before this wind advisory went out at Dec 25, 3:14 PM PST, 8 hours 23 minutes earlier.
Area forecast discussion, Dec 25, 3:14 PM PST, 8 hours 23 minutes before
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</html>The office that day
Everything else NWS Portland, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 7:39 PM PST | Winter Storm Warning | PQR | Hood River | 6 hr |
| Dec 26, 3:10 AM PST | Hazardous Seas Warning | PQR | 20 hr | |
| Dec 26, 5:38 AM PST | Gale Warning | PQR | 4 hr | |
| Dec 26, 9:57 AM PST | River Flood Warning | PQR | Wahkiakum | 13 hr |
Nearby
Wind Advisories in Oregon, 2024Wind 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.