Excessive Heat Warnings in Oregon
68 excessive heat 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Warnings
- 68
- Busiest year
- 202114 excessive heat warnings
- Average year
- 5over 15 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not 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.
- Malheur County16
- Curry County15
- Jackson County15
- Josephine County15
- Gilliam County12
- Sherman County12
- Wasco County12
- Douglas County11
- Baker County11
- Morrow County11
- Umatilla County11
- Wheeler County11
- Coos County10
- Grant County9
- Jefferson County9
- Klamath County7
- Union County7
- Crook County6
- Deschutes County6
- Harney County6
- Wallowa County6
- Benton County2
- Clackamas County2
- Columbia County2
- Hood River County2
- Lane County2
- Linn County2
- Marion County2
- Multnomah County2
- Polk County2
- Washington County2
- Yamhill County2
- Lake County1
- Clatsop County1
- Lincoln County1
- Tillamook County1
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.