Alert archive / Oregon / River Flood Warnings in 2012

River Flood Warning 30, NWS Portland, OR

March 15, 2012Benton County, Oregon

NWS Portland, OR issued this river flood warning at Mar 15, 2012, 2:42 PM PDT for Benton County, Oregon. It took effect at Mar 15, 2012, 4:41 PM PDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Mar 15, 2012, 2:42 PM PDT (21:42 UTC)
In effect from: Mar 15, 2012, 4:41 PM PDT
Expired: Mar 16, 2012, 7:15 AM PDT
In force: 15 hr
Issued by: NWS Portland, OR
Flood severity: Minor

County Benton County, OR

The radar

The Portland,OR radar (KRTX), 141 km from the middle of the area, began a volume at 21:45 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 Marys River near Philomath (PHIO3).

Action stage: 16 ft
Minor stage: 20 ft
Moderate stage: 21 ft
Major stage: 21.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 14171000, 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 Portland, OR wrote its last area forecast discussion before this river flood warning went out at Mar 15, 2:34 PM PDT, 8 minutes earlier.

Area forecast discussion, Mar 15, 2:34 PM PDT, 8 minutes before

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Hazardous weather outlook, Mar 15, 7:25 AM PDT, 7 hours 17 minutes before

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In the hours before

Local storm report, Mar 15, 9:15 AM PDT, 5 hours 27 minutes before

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Local storm report, Mar 15, 10:56 AM PDT, 3 hours 46 minutes before

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Special weather statement, Mar 15, 1:25 PM PDT, 1 hour 17 minutes before

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Special weather statement, Mar 15, 2:23 PM PDT, 19 minutes before

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The office that day

Everything else NWS Portland, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 15, 4:05 AM PDT	Winter Weather Advisory	PQR		29 hr
Mar 15, 6:53 AM PDT	River Flood Warning	PQR	Clatsop, Tillamook	51 hr
Mar 15, 9:58 AM PDT	River Flood Warning	PQR	Tillamook	17 hr
Mar 15, 10:01 AM PDT	Gale Warning	PQR		7 hr
Mar 15, 11:43 AM PDT	Areal Flood Advisory	PQR	Benton, Clatsop, Columbia, Lane, Lincoln, Polk and 3 more	6 hr
Mar 15, 12:09 PM PDT	Flood Watch	PQR		21 hr
Mar 15, 1:10 PM PDT	River Flood Warning	PQR	Lincoln	8 hr
Mar 15, 7:30 AM PDT	River Flood Warning	PQR	Wahkiakum	20 hr

Nearby

River Flood Warnings in Oregon, 2012 Every river flood warning 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.