Alert archive / Washington / River Flood Warnings in 2020

River Flood Warning 61, NWS Seattle, WA

February 11, 2020King County, Pierce County, Washington

NWS Seattle, WA issued this river flood warning at Feb 11, 2020, 9:14 AM PST for King County, Pierce County, Washington. It took effect at Feb 11, 2020, 9:40 AM PST. It was in force for 21 days.

The area

The counties it named.

The facts

Issued
Feb 11, 2020, 9:14 AM PST (17:14 UTC)
In effect from
Feb 11, 2020, 9:40 AM PST
Expired
Mar 3, 2020, 9:14 AM PST
In force
21 days
Issued by
NWS Seattle, WA
Area
Storm-based polygon
Flood severity
Minor

Counties King County, WA, Pierce County, WA

The radar

The Seattle radar (KATX), 110 km from the middle of the area, began a volume at 17:15 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 White River at R St. Auburn (WRAW1).

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12100490, 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 11, 3:02 PM PSTSmall Craft AdvisorySEW19 hr

Nearby

River Flood Warnings in Washington, 2020Every river flood warning in 2020

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.