Alert archive / Oregon / Mesoscale Discussions
Mesoscale Discussions in Oregon, 2017
15 mesoscale discussions in 2017. 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 2017. Tap one for its archive.
- Mesoscale Discussions
- 15
- Busiest month
- January4 mesoscale discussions
- Busiest day
- January 18, 20172 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 |
|---|---|---|---|---|
| Jan 7, 9:20 AM PST | Mesoscale Discussion | SPC | Clatsop, Columbia, Multnomah, Washington | 6 hr |
| Jan 17, 3:42 PM PST | Mesoscale Discussion | SPC | Multnomah, Washington | 6 hr |
| Jan 17, 5:47 PM PST | Mesoscale Discussion | SPC | Morrow, Umatilla | 6 hr |
| Jan 18, 4:00 AM PST | Mesoscale Discussion | SPC | Gilliam, Morrow, Sherman | 3 hr |
| Mar 21, 11:45 AM PDT | Mesoscale Discussion | SPC | Curry, Josephine | 3 hr |
| Apr 7, 12:00 PM PDT | Mesoscale Discussion | SPC | Baker, Umatilla, Union, Wallowa | 3 hr |
| May 4, 3:34 PM PDT | Mesoscale Discussion | SPC | Clackamas, Columbia, Douglas, Gilliam, Hood River, Jefferson and 8 more | 86 min |
| May 4, 7:48 PM PDT | Mesoscale Discussion | SPC | Clackamas, Columbia, Gilliam, Hood River, Jefferson, Lane and 7 more | 87 min |
| May 5, 2:16 PM PDT | Mesoscale Discussion | SPC | Baker, Malheur, Union, Wallowa | 119 min |
| May 30, 2:48 PM PDT | Mesoscale Discussion | SPC | Gilliam, Morrow, Sherman, Wasco, Wheeler | 2 hr |
| Jun 26, 1:12 PM PDT | Mesoscale Discussion | SPC | Baker, Crook, Deschutes, Gilliam, Grant, Harney and 11 more | 3 hr |
| Aug 24, 1:14 PM PDT | Mesoscale Discussion | SPC | Baker | 3 hr |
| Sep 6, 2:14 PM PDT | Mesoscale Discussion | SPC | Jackson, Josephine, Klamath | 61 min |
| Sep 7, 2:38 PM PDT | Mesoscale Discussion | SPC | Clackamas, Crook, Deschutes, Douglas, Jefferson, Klamath and 4 more | 3 hr |
| Dec 24, 9:49 AM PST | Mesoscale Discussion | SPC | Clackamas, Multnomah, Washington | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Morrow County6
- Multnomah County5
- Washington County5
- Gilliam County5
- Sherman County5
- Wasco County5
- Baker County4
- Clackamas County4
- Jefferson County4
- Columbia County3
- Umatilla County3
- Union County3
- Wallowa County3
- Lane County3
- Linn County3
- Marion County3
- Klamath County3
- Josephine County2
- Douglas County2
- Hood River County2
- Malheur County2
- Wheeler County2
- Crook County2
- Deschutes County2
- Jackson County2
- Clatsop County1
- Curry County1
- Grant County1
- Harney County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.