Alert archive / Washington / Mesoscale Discussions
Mesoscale Discussions in Washington, 2021
4 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
- 4
- Busiest month
- June2 mesoscale discussions
- Busiest day
- June 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 |
|---|---|---|---|---|
| Jun 13, 3:20 PM PDT | Mesoscale Discussion | SPC | Adams, Benton, Douglas, Franklin, Grant, Kittitas and 5 more | 115 min |
| Jun 15, 12:40 PM PDT | Mesoscale Discussion | SPC | Asotin, Columbia, Garfield | 2 hr |
| Oct 24, 9:58 PM PDT | Mesoscale Discussion | SPC | Grays Harbor, Pacific | 2 hr |
| Nov 9, 11:02 AM PST | Mesoscale Discussion | SPC | Clallam, Grays Harbor, Pacific | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
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.