Alert archive / Oregon / Flash Flood Warnings in 2025

Flash Flood Warning 2, NWS Pendleton, OR

December 18, 2025Jefferson County, Oregon

NWS Pendleton, OR issued this flash flood warning at Dec 18, 2025, 10:06 PM PST for Jefferson County, Oregon. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 18, 2025, 10:06 PM PST (06:06 UTC)
Expired
Dec 19, 2025, 10:00 AM PST
In force
12 hr
Issued by
NWS Pendleton, OR
Area
Storm-based polygon
Flood severity
Unknown

County Jefferson County, OR

The radar

The Portland,OR radar (KRTX), 185 km from the middle of the area, began a volume at 06:05 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 office that day

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

IssuedProductOfficeCountiesLasted
Dec 18, 10:36 PM PSTAreal Flood WarningPDTDeschutes11 hr
Dec 19, 3:15 AM PSTWinter Weather AdvisoryPDTUmatilla, Union, Wallowa19 hr
Dec 19, 10:27 AM PSTRiver Flood WarningPDTUmatilla12 hr

Nearby

Flash Flood Warnings in Oregon, 2025Every flash flood warning 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; radar from the NEXRAD Level II archive.