Alert archive / Washington / River Flood Warnings in 2015

River Flood Warning 22, NWS Seattle, WA

January 24, 2015King County, Washington

NWS Seattle, WA issued this river flood warning at Jan 24, 2015, 5:04 AM PST for King County, Washington. It took effect at Jan 24, 2015, 9:58 AM PST. It was in force for 26 hr.

The area

The counties it named.

The facts

Issued: Jan 24, 2015, 5:04 AM PST (13:04 UTC)
In effect from: Jan 24, 2015, 9:58 AM PST
Expired: Jan 25, 2015, 12:23 PM PST
In force: 26 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

County King County, WA

The radar

The Seattle radar (KATX), 92 km from the middle of the area, began a volume at 13:06 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 Snoqualmie River near Carnation (CRNW1). The gauge peaked at 52.96 ft at Jan 24, 2015, 4:00 PM PST.

Action stage: 50.7 ft
Minor stage: 54 ft
Moderate stage: 56 ft
Major stage: 58 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12149000, 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 Jan 23, 2:20 PM PST, 14 hours 44 minutes earlier.

Area forecast discussion, Jan 23, 2:20 PM PST, 14 hours 44 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
Jan 24, 3:10 AM PST	Small Craft Advisory for Hazardous Seas	SEW		48 hr
Jan 24, 5:04 AM PST	River Flood Warning	SEW	King	15 hr
Jan 24, 12:21 PM PST	Small Craft Advisory	SEW		15 hr

Nearby

River Flood Warnings in Washington, 2015 Every river flood warning in 2015

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.