Alert archive / Oregon / Wind Advisories in 2025

Wind Advisory 24, NWS Medford, OR

December 17, 20256 counties in Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this wind advisory at Dec 17, 2025, 3:12 PM PST for 6 counties in Oregon; Modoc County, Siskiyou County, California. It took effect at Dec 18, 2025, 7:00 AM PST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Dec 17, 2025, 3:12 PM PST (23:12 UTC)
In effect from
Dec 18, 2025, 7:00 AM PST
Expired
Dec 19, 2025, 4:00 PM PST
In force
33 hr
Issued by
NWS Medford, OR

Counties Modoc County, CA, Siskiyou County, CA, Coos County, OR, Curry County, OR, Douglas County, OR, Josephine County, OR, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 48 km from the middle of the area, began a volume at 23:09 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

Reno, NV (KREV), launched 12:00Z, 11.2 hours before the alert went out and 488 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, Reno, NV at 12:00Z on 2025-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2025-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 square meters per square second.1939587897117Sfc1 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
1401 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
297 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Medford, OR wrote its last area forecast discussion before this wind advisory went out at Dec 17, 3:11 PM PST, 1 minute earlier.

Area forecast discussion, Dec 17, 3:11 PM PST, 1 minute before
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The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 17, 1:43 PM PSTGale WarningMFR35 hr
Dec 17, 1:43 PM PSTStorm WarningMFR29 hr
Dec 17, 1:46 PM PSTHigh Surf AdvisoryMFRCoos, Curry, Douglas32 hr
Dec 17, 3:12 PM PSTHigh Wind WarningMFRCoos, Curry, Douglas, Klamath, Lake49 hr

Nearby

Wind Advisories in Oregon, 2025Wind Advisories in California, 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.