Alert archive / Oregon / River Flood Warnings in 2011

River Flood Warning 37, NWS Pendleton, OR

May 26, 2011Wallowa County, Oregon

NWS Pendleton, OR issued this river flood warning at May 26, 2011, 2:12 AM PDT for Wallowa County, Oregon. It took effect at Jun 4, 2011, 8:25 AM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
May 26, 2011, 2:12 AM PDT (09:12 UTC)
In effect from
Jun 4, 2011, 8:25 AM PDT
Expired
May 26, 2011, 10:35 AM PDT
In force
Issued by
NWS Pendleton, OR
Flood severity
Minor

County Wallowa County, OR

The radar

The Pendleton radar (KPDT), 131 km from the middle of the area, began a volume at 09:12 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 Imnaha River at Imnaha (IMNO3).

Action stage
5 ft
Minor stage
5.5 ft
Moderate stage
7 ft
Major stage
9 ft

This gauge today: stage, forecast and historic crests

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

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 2:07 AM PDTRiver Flood WarningPDTUnion4 hr
May 26, 2:12 AM PDTRiver Flood WarningPDTWallowa8 hr
May 26, 3:10 AM PDTWinter Weather AdvisoryPDTUmatilla, Union, Wallowa3 hr

Nearby

River Flood Warnings in Oregon, 2011Every river flood warning in 2011

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.