Alert archive / Washington / River Flood Warnings in 2018

River Flood Warning 5, NWS Seattle, WA

January 29, 2018Whatcom County, Washington

NWS Seattle, WA issued this river flood warning at Jan 29, 2018, 7:36 PM PST for Whatcom County, Washington. It took effect at Jan 29, 2018, 9:51 PM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Jan 29, 2018, 7:36 PM PST (03:36 UTC)
In effect from: Jan 29, 2018, 9:51 PM PST
Expired: Jan 30, 2018, 7:42 AM PST
In force: 10 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

County Whatcom County, WA

The radar

The Seattle radar (KATX), 84 km from the middle of the area, began a volume at 03:38 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 South Fork Nooksack River near Saxon Bridge (NSSW1). The gauge peaked at 7.69 ft at Jan 29, 2018, 8:00 PM PST.

Action stage: 6.9 ft
Minor stage: 8 ft
Moderate stage: 8.5 ft
Major stage: 9.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12210000, 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 29, 3:55 PM PST, 3 hours 41 minutes earlier.

Area forecast discussion, Jan 29, 3:55 PM PST, 3 hours 41 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 29, 4:28 PM PST	Gale Warning	SEW	8 hr
Jan 29, 4:28 PM PST	Small Craft Advisory	SEW	34 hr
Jan 29, 9:20 PM PST	Small Craft Advisory	SEW	29 hr
Jan 30, 2:08 AM PST	Small Craft Advisory for Hazardous Seas	SEW	37 hr
Jan 30, 9:47 AM PST	Winter Weather Advisory	SEW	18 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.