River Flood Warning 37, NWS Seattle, WA

Issued

Feb 1, 2020, 7:20 AM PST (15:20 UTC)

Expired

Feb 1, 2020, 10:07 PM PST

In force

15 hr

Issued by

NWS Seattle, WA

Area

Storm-based polygon

Flood severity

Minor

County Snohomish County, WA

The Seattle radar (KATX), 60 km from the middle of the area, began a volume at 15:21 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.

Written for the forecast point North Fork Stillaguamish River near Arlington (ARGW1).

Action stage

10.7 ft

Minor stage

13 ft

Moderate stage

14 ft

Major stage

15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12167000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

NWS Seattle, WA wrote its last area forecast discussion before this river flood warning went out at Feb 1, 3:11 AM PST, 4 hours 9 minutes earlier.

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

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.