Alert archive / Oregon / Mesoscale Discussions / 2008
Mesoscale Discussions in Oregon, December 2008
7 mesoscale discussions in December 2008. 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 December 2008. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest day
- December 21, 20082 mesoscale discussions
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 14, 3:46 AM PST | Mesoscale Discussion | SPC | Benton, Clackamas, Columbia, Douglas, Lane, Linn and 5 more | 4 hr |
| Dec 20, 3:32 PM PST | Mesoscale Discussion | SPC | Benton, Clackamas, Clatsop, Columbia, Hood River, Linn and 5 more | 4 hr |
| Dec 20, 8:25 PM PST | Mesoscale Discussion | SPC | Benton, Clackamas, Clatsop, Columbia, Hood River, Lincoln and 8 more | 4 hr |
| Dec 21, 3:17 PM PST | Mesoscale Discussion | SPC | Clackamas, Hood River, Jefferson, Klamath, Lane, Linn and 3 more | 4 hr |
| Dec 27, 12:26 PM PST | Mesoscale Discussion | SPC | Baker, Hood River, Union, Wallowa | 3 hr |
| Dec 29, 3:12 AM PST | Mesoscale Discussion | SPC | Clackamas, Douglas, Lane, Linn, Marion | 3 hr |
| Dec 29, 9:53 AM PST | Mesoscale Discussion | SPC | Hood River, Wasco | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clackamas County5
- Linn County5
- Marion County5
- Hood River County5
- Multnomah County4
- Benton County3
- Columbia County3
- Lane County3
- Polk County3
- Washington County3
- Yamhill County3
- Wasco County3
- Douglas County2
- Clatsop County2
- Lincoln County1
- Tillamook County1
- Jefferson County1
- Klamath County1
- Baker County1
- Union County1
- Wallowa County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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. Warning verification from the Mesonet's Cow. Rebuilt daily.