Alert archive / Washington / River Flood Advisories in 2012

River Flood Advisory 5, NWS Seattle, WA

January 31, 2012Mason County, Washington

NWS Seattle, WA issued this river flood advisory at Jan 31, 2012, 3:37 PM PST for Mason County, Washington. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Jan 31, 2012, 3:37 PM PST (23:37 UTC)
Expired: Feb 1, 2012, 11:03 AM PST
In force: 19 hr
Issued by: NWS Seattle, WA

County Mason County, WA

The radar

The Langley Hill radar (KLGX), 74 km from the middle of the area, began a volume at 23:38 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).

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 advisory 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 advisory went out at Jan 31, 3:15 PM PST, 22 minutes earlier.

Area forecast discussion, Jan 31, 3:15 PM PST, 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	Lasted
Jan 30, 4:04 PM PST	Winter Weather Advisory	SEW	42 hr
Jan 31, 3:14 AM PST	Winter Storm Warning	SEW	31 hr
Jan 31, 2:11 PM PST	Small Craft Advisory	SEW	20 hr

Nearby

River Flood Advisories in Washington, 2012 Every river flood advisory in 2012

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.