Alert archive / Oregon / Mesoscale Discussions
Mesoscale Discussions in Oregon, 2021
10 mesoscale discussions in 2021. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest month
- June5 mesoscale discussions
- Busiest day
- February 13, 20211 mesoscale discussions
Over time
By month
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 5:55 PM PST | Mesoscale Discussion | SPC | Polk, Washington, Yamhill | 5 hr |
| Jun 3, 3:58 PM PDT | Mesoscale Discussion | SPC | Baker, Grant, Harney, Malheur, Union, Wallowa | 3 hr |
| Jun 13, 3:20 PM PDT | Mesoscale Discussion | SPC | Crook, Deschutes, Gilliam, Jefferson, Morrow, Sherman and 3 more | 115 min |
| Jun 15, 12:40 PM PDT | Mesoscale Discussion | SPC | Umatilla, Union, Wallowa | 2 hr |
| Jun 21, 3:54 PM PDT | Mesoscale Discussion | SPC | Crook, Deschutes, Jefferson, Klamath, Lake | 2 hr |
| Jun 22, 2:37 PM PDT | Mesoscale Discussion | SPC | Harney, Malheur | 113 min |
| Aug 2, 12:51 PM PDT | Mesoscale Discussion | SPC | Crook, Deschutes, Grant, Harney, Jefferson, Lake and 1 more | 2 hr |
| Aug 3, 1:26 PM PDT | Mesoscale Discussion | SPC | Baker, Grant, Harney, Malheur, Union, Wallowa | 3 hr |
| Sep 10, 12:34 PM PDT | Mesoscale Discussion | SPC | Crook, Harney, Klamath, Lake | 116 min |
| Oct 24, 9:58 PM PDT | Mesoscale Discussion | SPC | Clatsop | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Harney County5
- Crook County4
- Grant County3
- Malheur County3
- Union County3
- Wallowa County3
- Deschutes County3
- Jefferson County3
- Lake County3
- Baker County2
- Umatilla County2
- Wheeler County2
- Klamath County2
- Polk County1
- Washington County1
- Yamhill County1
- Gilliam County1
- Morrow County1
- Sherman County1
- Wasco County1
- Clatsop County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.