Alert archive / Washington / River Flood Warnings in 2017

River Flood Warning 20, NWS Seattle, WA

March 28, 2017Mason County, Washington

NWS Seattle, WA issued this river flood warning at Mar 28, 2017, 12:14 PM PDT for Mason County, Washington. It took effect at Mar 28, 2017, 7:55 PM PDT. It was in force for 41 hr.

The area

The counties it named.

The facts

Issued: Mar 28, 2017, 12:14 PM PDT (19:14 UTC)
In effect from: Mar 28, 2017, 7:55 PM PDT
Expired: Mar 30, 2017, 12:29 PM PDT
In force: 41 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

County Mason County, WA

The radar

The Langley Hill radar (KLGX), 74 km from the middle of the area, began a volume at 19:18 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 Skokomish River near Potlatch (SRPW1). The gauge peaked at 17.37 ft at Mar 29, 2017, 10:00 AM PDT.

Action stage: 15 ft
Minor stage: 16.5 ft
Moderate stage: 17.5 ft
Major stage: 18 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12061500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before this river flood warning went out at Mar 28, 9:15 AM PDT, 2 hours 59 minutes earlier.

Area forecast discussion, Mar 28, 9:15 AM PDT, 2 hours 59 minutes before

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The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 28, 12:28 PM PDT	Winter Weather Advisory	SEW		20 hr

Nearby

River Flood Warnings in Washington, 2017 Every river flood warning in 2017

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.