Alert archive / Washington / River Flood Warnings in 2024

River Flood Warning 5, NWS Seattle, WA

January 28, 2024Snohomish County, Washington

NWS Seattle, WA issued this river flood warning at Jan 28, 2024, 9:42 AM PST for Snohomish County, Washington. It took effect at Jan 28, 2024, 11:06 AM PST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Jan 28, 2024, 9:42 AM PST (17:42 UTC)
In effect from
Jan 28, 2024, 11:06 AM PST
Expired
Jan 28, 2024, 10:02 PM PST
In force
11 hr
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Minor

County Snohomish County, WA

The radar

The Seattle radar (KATX), 60 km from the middle of the area, began a volume at 17:42 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 Stillaguamish River at Arlington (ARLW1).

Action stage
12.5 ft
Minor stage
14 ft
Moderate stage
17.5 ft
Major stage
19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12167400, 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
Jan 27, 8:14 PM PSTSmall Craft AdvisorySEW6 days
Jan 28, 7:49 AM PSTRiver Flood WarningSEWWhatcom6 hr
Jan 28, 7:49 AM PSTRiver Flood WarningSEWWhatcom12 hr
Jan 28, 11:30 AM PSTRiver Flood WarningSEWSnohomish5 hr
Jan 28, 12:17 PM PSTAreal Flood WarningSEWWhatcom4 hr
Jan 28, 12:19 PM PSTRiver Flood WarningSEWWhatcom30 hr
Jan 28, 2:32 PM PSTSmall Craft AdvisorySEW5 days

Nearby

River Flood Warnings in Washington, 2024Every river flood warning in 2024

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.