Alert archive / Washington / River Flood Warnings in 2025

River Flood Warning 5, NWS Seattle, WA

February 25, 2025Grays Harbor County, Thurston County, Washington

NWS Seattle, WA issued this river flood warning at Feb 25, 2025, 3:30 PM PST for Grays Harbor County, Thurston County, Washington. It took effect at Feb 26, 2025, 4:24 AM PST. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
Feb 25, 2025, 3:30 PM PST (23:30 UTC)
In effect from
Feb 26, 2025, 4:24 AM PST
Expired
Feb 27, 2025, 5:09 AM PST
In force
25 hr
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Minor

Counties Grays Harbor County, WA, Thurston County, WA

The radar

The Langley Hill radar (KLGX), 59 km from the middle of the area, began a volume at 23:32 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 Chehalis River near Grand Mound (CGMW1). The gauge peaked at 140.93 ft at Feb 26, 2025, 12:00 PM PST.

actionminormoderate13613814014202/2502/2602/2702/28
Action stage
138.5 ft
Minor stage
141 ft
Moderate stage
142.5 ft
Major stage
144 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12027500, 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
Feb 24, 11:00 PM PSTHigh Surf WarningSEW17 hr
Feb 25, 2:24 AM PSTSmall Craft AdvisorySEW17 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.