Alert archive / Washington / River Flood Warnings in 2014

River Flood Warning 16, NWS Seattle, WA

March 7, 2014Thurston County, Washington

NWS Seattle, WA issued this river flood warning at Mar 7, 2014, 4:12 AM PST for Thurston County, Washington. It took effect at Mar 7, 2014, 1:35 PM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Mar 7, 2014, 4:12 AM PST (12:12 UTC)
In effect from: Mar 7, 2014, 1:35 PM PST
Expired: Mar 8, 2014, 4:25 AM PST
In force: 15 hr
Issued by: NWS Seattle, WA
Area: Storm-based polygon
Flood severity: Minor

County Thurston County, WA

The radar

The Langley Hill radar (KLGX), 99 km from the middle of the area, began a volume at 12:12 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 Chehalis River near Grand Mound (CGMW1).

Action stage: 138.5 ft
Minor stage: 141 ft
Moderate stage: 142.5 ft
Major stage: 144 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12027500, 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 Mar 7, 3:00 AM PST, 1 hour 12 minutes earlier.

Area forecast discussion, Mar 7, 3:00 AM PST, 1 hour 12 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
Mar 7, 2:42 AM PST	Gale Watch	SEW		18 hr
Mar 7, 2:42 AM PST	Gale Warning	SEW		42 hr
Mar 7, 2:42 AM PST	Small Craft Advisory	SEW		24 hr
Mar 7, 3:49 PM PST	Flood Watch	SEW	Jefferson, King, Lewis, Mason, Pierce, Snohomish and 1 more	60 hr

Nearby

River Flood Warnings in Washington, 2014 Every river flood warning in 2014

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.