Alert archive / Washington / River Flood Warnings in 2023

River Flood Warning 2, NWS Seattle, WA

January 11, 2023Mason County, Washington

NWS Seattle, WA issued this river flood warning at Jan 11, 2023, 3:15 PM PST for Mason County, Washington. It took effect at Jan 12, 2023, 5:20 AM PST. It was in force for 7 days.

The area

The counties it named.

The facts

Issued: Jan 11, 2023, 3:15 PM PST (23:15 UTC)
In effect from: Jan 12, 2023, 5:20 AM PST
Expired: Jan 19, 2023, 2:15 PM PST
In force: 7 days
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Moderate

County Mason County, WA

The radar

The Langley Hill radar (KLGX), 74 km from the middle of the area, began a volume at 23:16 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 17.86 ft at Jan 13, 2023, 2:00 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.

The office that day

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

Issued	Product	Office	Lasted
Jan 11, 2:56 AM PST	Gale Warning	SEW	36 hr
Jan 11, 3:14 AM PST	Winter Weather Advisory	SEW	33 hr
Jan 11, 2:20 PM PST	Small Craft Advisory	SEW	67 hr
Jan 11, 3:16 PM PST	High Surf Advisory	SEW	39 hr

Nearby

River Flood Warnings in Washington, 2023 Every river flood warning in 2023

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.