Alert archive / Washington / Mesoscale Discussions
Mesoscale Discussions in Washington, 2019
7 mesoscale discussions in 2019. 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 2019. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest month
- August3 mesoscale discussions
- Busiest day
- August 10, 20193 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 |
|---|---|---|---|---|
| Jun 26, 11:49 AM PDT | Mesoscale Discussion | SPC | Benton, Columbia, Franklin, Klickitat, Walla Walla, Yakima | 86 min |
| Jun 26, 4:49 PM PDT | Mesoscale Discussion | SPC | Adams, Asotin, Benton, Columbia, Franklin, Garfield and 7 more | 56 min |
| Jul 23, 9:26 PM PDT | Mesoscale Discussion | SPC | Pend Oreille, Spokane, Stevens | 94 min |
| Aug 10, 10:41 AM PDT | Mesoscale Discussion | SPC | Asotin, Columbia, Garfield, Walla Walla, Whitman | 2 hr |
| Aug 10, 3:53 PM PDT | Mesoscale Discussion | SPC | Asotin, Columbia, Garfield | 2 hr |
| Aug 10, 4:12 PM PDT | Mesoscale Discussion | SPC | Adams, Asotin, Benton, Chelan, Columbia, Douglas and 14 more | 2 hr |
| Sep 7, 4:36 PM PDT | Mesoscale Discussion | SPC | Benton, Chelan, Douglas, Grant, King, Kittitas and 7 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Columbia County5
- Benton County4
- Klickitat County4
- Walla Walla County4
- Yakima County4
- Asotin County4
- Garfield County4
- Franklin County3
- Grant County3
- Spokane County3
- Whitman County3
- Adams County2
- Lincoln County2
- Pend Oreille County2
- Stevens County2
- Chelan County2
- Douglas County2
- Kittitas County2
- Okanogan County2
- Ferry County1
- King County1
- Skagit County1
- Skamania County1
- Snohomish County1
- Whatcom County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.