Alert archive / Washington / River Flood Warnings in 2025

River Flood Warning 7, NWS Spokane, WA

December 10, 2025Chelan County, Washington

NWS Spokane, WA issued this river flood warning at Dec 10, 2025, 8:00 AM PST for Chelan County, Washington. It took effect at Dec 10, 2025, 6:53 PM PST. It was in force for 34 hr.

The area

The counties it named.

The facts

Issued: Dec 10, 2025, 8:00 AM PST (16:00 UTC)
In effect from: Dec 10, 2025, 6:53 PM PST
Expired: Dec 12, 2025, 5:22 AM PST
In force: 34 hr
Issued by: NWS Spokane, WA
Area: Storm-based polygon
Flood severity: Minor

County Chelan County, WA

The radar

The Seattle radar (KATX), 144 km from the middle of the area, began a volume at 16:05 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 river

Written for the forecast point Stehekin River at Stehekin (STHW1). The gauge peaked at 29.37 ft at Dec 11, 2025, 5:00 AM PST.

Action stage: 19.5 ft
Minor stage: 20.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12451000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Spokane, WA wrote its last area forecast discussion before this river flood warning went out at Dec 10, 4:16 AM PST, 3 hours 44 minutes earlier.

Area forecast discussion, Dec 10, 4:16 AM PST, 3 hours 44 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 9, 4:24 PM PST	River Flood Watch	OTX	Chelan	16 hr
Dec 9, 4:24 PM PST	River Flood Watch	OTX	Chelan	16 hr
Dec 9, 4:24 PM PST	River Flood Watch	OTX	Chelan	16 hr
Dec 10, 7:55 AM PST	River Flood Warning	OTX	Chelan	3 days
Dec 10, 7:58 AM PST	River Flood Warning	OTX	Chelan	7 hr
Dec 10, 2:28 PM PST	Areal Flood Warning	OTX	Chelan, Okanogan	51 hr
Dec 10, 3:32 PM PST	River Flood Warning	OTX	Kootenai, Shoshone	61 hr

Nearby

River Flood Warnings in Washington, 2025 Every river 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; the gauge from the NWS water service and the USGS.