Alert archive / Washington / River Flood Warnings in 2025

River Flood Warning 9, NWS Seattle, WA

March 24, 2025King County, Washington

NWS Seattle, WA issued this river flood warning at Mar 24, 2025, 2:56 AM PDT for King County, Washington. It took effect at Mar 24, 2025, 10:07 AM PDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Mar 24, 2025, 2:56 AM PDT (09:56 UTC)
In effect from
Mar 24, 2025, 10:07 AM PDT
Expired
Mar 24, 2025, 8:22 PM PDT
In force
10 hr
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Minor

County King County, WA

The radar

The Seattle radar (KATX), 92 km from the middle of the area, began a volume at 10:00 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 Tolt River near Carnation (TOLW1). The gauge peaked at 8.43 ft at Mar 24, 2025, 3:00 AM PDT.

5678903/2403/2503/26

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12148500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 10:02 PM PDTRiver Flood WarningSEWClallam8 hr
Mar 24, 2:50 AM PDTRiver Flood WarningSEWSnohomish22 hr
Mar 24, 3:00 AM PDTRiver Flood WarningSEWSnohomish15 hr

Nearby

River Flood Warnings in Washington, 2025Every 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.