Alert archive / Washington / River Flood Warnings in 2018

River Flood Warning 78, NWS Seattle, WA

November 27, 2018Grays Harbor County, Mason County, Washington

NWS Seattle, WA issued this river flood warning at Nov 27, 2018, 6:10 AM PST for Grays Harbor County, Mason County, Washington. It took effect at Nov 27, 2018, 8:53 AM PST. It was in force for 18 days.

The area

The counties it named.

The facts

Issued: Nov 27, 2018, 6:10 AM PST (14:10 UTC)
In effect from: Nov 27, 2018, 8:53 AM PST
Expired: Dec 15, 2018, 9:03 AM PST
In force: 18 days
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

Counties Grays Harbor County, WA, Mason County, WA

The radar

The Langley Hill radar (KLGX), 48 km from the middle of the area, began a volume at 14:13 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 17.73 ft at Nov 27, 2018, 9:00 AM PST.

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 Nov 27, 3:48 AM PST, 2 hours 22 minutes earlier.

Area forecast discussion, Nov 27, 3:48 AM PST, 2 hours 22 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
Nov 26, 10:03 PM PST	River Flood Warning	SEW	Whatcom	32 hr
Nov 26, 10:03 PM PST	River Flood Warning	SEW	Skagit	14 hr
Nov 27, 3:06 AM PST	Small Craft Advisory for Hazardous Seas	SEW		59 hr
Nov 27, 6:49 AM PST	River Flood Warning	SEW	Clallam	13 hr
Nov 27, 8:49 AM PST	Small Craft Advisory for Hazardous Seas	SEW		53 hr

Nearby

River Flood Warnings in Washington, 2018 Every river flood warning in 2018

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.