Alert archive / Washington / River Flood Warnings in 2009

River Flood Warning 41, NWS Seattle, WA

October 17, 2009Whatcom County, Washington

NWS Seattle, WA issued this river flood warning at Oct 17, 2009, 9:35 PM PDT for Whatcom County, Washington. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Oct 17, 2009, 9:35 PM PDT (04:35 UTC)
Expired
Oct 18, 2009, 3:34 AM PDT
In force
6 hr
Issued by
NWS Seattle, WA
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 04:35 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 Nooksack River at North Cedarvillle (NRKW1). The gauge peaked at 146.09 ft at Oct 17, 2009, 11:00 PM PDT.

actionminormoderate14214414614810/1810/19
Action stage
144.8 ft
Minor stage
146.5 ft
Moderate stage
148 ft
Major stage
150 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12210700, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

Nearby

River Flood Warnings in Washington, 2009Every river flood warning in 2009

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.