Alert archive / Oregon / Severe Thunderstorm Warnings / 2009

Severe Thunderstorm Warnings in Oregon, May 2009

9 severe thunderstorm warnings in May 2009. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in May 2009. Tap one for its archive.

Severe Thunderstorm Warnings
9
Busiest day
May 30, 20093 severe thunderstorm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
May 2, 3:54 PM PDTSevere Thunderstorm WarningPQRClackamas, Columbia, Multnomah, Washington36 min
May 3, 1:27 PM PDTSevere Thunderstorm WarningBOIMalheur48 min
May 6, 4:47 PM PDTSevere Thunderstorm WarningPDTUmatilla43 min
May 18, 5:33 PM PDTSevere Thunderstorm WarningPDTUnion, Wallowa35 min
May 24, 12:36 PM PDTSevere Thunderstorm WarningBOIMalheur42 min
May 29, 4:42 PM PDTSevere Thunderstorm WarningPDTUmatilla, Union63 min
May 29, 5:19 PM PDTSevere Thunderstorm WarningPDTGrant, Umatilla, Union56 min
May 29, 7:39 PM PDTSevere Thunderstorm WarningPDTJefferson, Wasco66 min
May 29, 7:42 PM PDTSevere Thunderstorm WarningPDTCrook, Deschutes63 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.