Alert archive / Washington / River Flood Warnings in 2022

River Flood Warning 29, NWS Seattle, WA

January 20, 2022King County, Washington

NWS Seattle, WA issued this river flood warning at Jan 20, 2022, 10:03 AM PST for King County, Washington. It took effect at Jan 20, 2022, 11:43 AM PST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2022, 10:03 AM PST (18:03 UTC)
In effect from
Jan 20, 2022, 11:43 AM PST
Expired
Jan 21, 2022, 1:59 AM PST
In force
14 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 18:06 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 9.31 ft at Jan 20, 2022, 6:00 PM PST.

681001/2001/2101/22

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
Jan 20, 7:40 AM PSTFlood WatchSEWKing14 hr
Jan 20, 1:22 PM PSTGale WarningSEW4 hr
Jan 20, 1:22 PM PSTSmall Craft AdvisorySEW11 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.