Alert archive / Oregon / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 20, NWS Pendleton, OR

August 29, 2009Umatilla County, Union County, Wallowa County, Oregon

NWS Pendleton, OR issued this severe thunderstorm warning at Aug 29, 2009, 7:37 PM PDT for Umatilla County, Union County, Wallowa County, Oregon. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 29, 2009, 7:37 PM PDT (02:37 UTC)
Expired
Aug 29, 2009, 8:10 PM PDT
In force
33 min
Issued by
NWS Pendleton, OR
Area
Storm-based polygon

Counties Umatilla County, OR, Union County, OR, Wallowa County, OR

The radar

The Pendleton radar (KPDT), 72 km from the middle of the area, began a volume at 02:37 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 office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 5:56 PM PDTSevere Thunderstorm WarningPDTWallowa34 min
Aug 29, 6:41 PM PDTSpecial Weather StatementPDTWallowa49 min
Aug 29, 6:51 PM PDTSevere Thunderstorm WarningPDTWallowa39 min

Nearby

Severe Thunderstorm Warnings in Oregon, 2009Every severe thunderstorm 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.