Alert archive / Washington / River Flood Warnings in 2022

River Flood Warning 76, NWS Seattle, WA

December 24, 2022Whatcom County, Washington

NWS Seattle, WA issued this river flood warning at Dec 24, 2022, 9:24 PM PST for Whatcom County, Washington. It took effect at Dec 25, 2022, 3:47 AM PST. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Dec 24, 2022, 9:24 PM PST (05:24 UTC)
In effect from
Dec 25, 2022, 3:47 AM PST
Expired
Dec 25, 2022, 4:48 AM PST
In force
61 min
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Minor

County Whatcom County, WA

The radar

The Seattle radar (KATX), 84 km from the middle of the area, began a volume at 05:25 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 Nooksack River at Ferndale (NKSW1). The gauge peaked at 16.94 ft at Dec 24, 2022, 9:00 PM PST.

actionminormoderate510152012/2512/26
Action stage
15 ft
Minor stage
18 ft
Moderate stage
20.5 ft
Major stage
23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12213100, 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
Dec 24, 7:05 PM PSTRiver Flood WarningSEWSnohomish17 hr
Dec 25, 2:47 AM PSTGale WatchSEW17 hr
Dec 25, 2:36 PM PSTCoastal Flood AdvisorySEWSan Juan21 hr

Nearby

River Flood Warnings in Washington, 2022Every river flood warning in 2022

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.