Tornado Warnings in Oregon
38 tornado warnings since 1986. 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tornado Warnings
- 38
- Busiest year
- 20169 tornado warnings
- Average year
- 2over 20 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clackamas County7
- Umatilla County6
- Marion County6
- Tillamook County5
- Morrow County4
- Linn County3
- Union County3
- Clatsop County3
- Malheur County2
- Grant County2
- Jackson County2
- Klamath County2
- Jefferson County1
- Wasco County1
- Polk County1
- Harney County1
- Lake County1
- Baker County1
- Wallowa County1
- Multnomah County1
- Columbia County1
The latest tornado warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 12:20 PM PDT | Tornado Warning | PQR | Columbia | 25 min |
| Jun 27, 3:38 PM PDT | Tornado Warning | PQR | Clackamas | 17 min |
Nearby
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.