Alert archive / Washington / Mesoscale Discussions
Mesoscale Discussions in Washington, 2024
9 mesoscale discussions in 2024. 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 2024. Tap one for its archive.
- Mesoscale Discussions
- 9
- Busiest month
- January3 mesoscale discussions
- Busiest day
- January 13, 20241 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 13, 12:05 PM PST | Mesoscale Discussion | SPC | Clark, Cowlitz, Klickitat, Skamania, Wahkiakum | 4 hr |
| Jan 16, 3:31 PM PST | Mesoscale Discussion | SPC | Clark, Cowlitz, Wahkiakum | 4 hr |
| Jan 17, 11:49 AM PST | Mesoscale Discussion | SPC | Adams, Asotin, Benton, Chelan, Columbia, Douglas and 13 more | 4 hr |
| Feb 28, 10:15 AM PST | Mesoscale Discussion | SPC | Lewis, Skagit, Skamania, Snohomish, Whatcom | 4 hr |
| Jul 17, 3:04 PM PDT | Mesoscale Discussion | SPC | Adams, Benton, Columbia, Douglas, Franklin, Garfield and 6 more | 116 min |
| Aug 5, 1:35 PM PDT | Mesoscale Discussion | SPC | Asotin, Garfield | 115 min |
| Aug 17, 12:36 PM PDT | Mesoscale Discussion | SPC | Clark, Skamania | 114 min |
| Aug 17, 6:24 PM PDT | Mesoscale Discussion | SPC | King, Kittitas, Klickitat, Lewis, Pierce, Skamania and 1 more | 96 min |
| Sep 2, 1:56 PM PDT | Mesoscale Discussion | SPC | Asotin, Columbia, Walla Walla | 94 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Skamania County4
- Clark County3
- Asotin County3
- Columbia County3
- Garfield County3
- Kittitas County3
- Walla Walla County3
- Yakima County3
- Cowlitz County2
- Klickitat County2
- Wahkiakum County2
- Adams County2
- Benton County2
- Douglas County2
- Franklin County2
- Grant County2
- Lincoln County2
- Whitman County2
- Lewis County2
- Chelan County1
- Ferry County1
- Okanogan County1
- Pend Oreille County1
- Spokane County1
- Stevens County1
- Skagit County1
- Snohomish County1
- Whatcom County1
- King County1
- Pierce County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.