Alert archive / Washington / Mesoscale Discussions
Mesoscale Discussions in Washington, 2012
20 mesoscale discussions in 2012. 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 2012. Tap one for its archive.
- Mesoscale Discussions
- 20
- Busiest month
- July13 mesoscale discussions
- Busiest day
- January 19, 20122 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 18, 3:39 AM PST | Mesoscale Discussion | SPC | Clark, Cowlitz, Wahkiakum | 3 hr |
| Jan 19, 3:59 AM PST | Mesoscale Discussion | SPC | Asotin, Columbia, Garfield, Walla Walla | 5 hr |
| Jan 19, 11:12 AM PST | Mesoscale Discussion | SPC | Asotin, Benton, Columbia, Cowlitz, Garfield, Kitsap and 7 more | 4 hr |
| Jun 4, 11:49 AM PDT | Mesoscale Discussion | SPC | Asotin, Columbia, Garfield, Spokane, Whitman | 86 min |
| Jun 4, 3:45 PM PDT | Mesoscale Discussion | SPC | Asotin, Garfield, Spokane, Whitman | 90 min |
| Jun 30, 7:33 PM PDT | Mesoscale Discussion | SPC | Adams, Asotin, Benton, Columbia, Douglas, Ferry and 9 more | 2 hr |
| Jul 8, 3:21 PM PDT | Mesoscale Discussion | SPC | Benton, Columbia, Franklin, Garfield, Klickitat, Walla Walla and 1 more | 54 min |
| Jul 9, 4:46 PM PDT | Mesoscale Discussion | SPC | Adams, Benton, Columbia, Franklin, Garfield, Grant and 5 more | 59 min |
| Jul 12, 10:50 PM PDT | Mesoscale Discussion | SPC | Asotin, Garfield, Spokane, Whitman | 115 min |
| Jul 13, 9:49 PM PDT | Mesoscale Discussion | SPC | Adams, Ferry, Lincoln, Pend Oreille, Spokane, Stevens and 1 more | 56 min |
| Jul 14, 5:23 PM PDT | Mesoscale Discussion | SPC | Asotin, Benton, Columbia, Franklin, Garfield, Grant and 5 more | 67 min |
| Jul 14, 9:33 PM PDT | Mesoscale Discussion | SPC | Asotin, Columbia, Garfield, Walla Walla | 57 min |
| Jul 17, 3:51 PM PDT | Mesoscale Discussion | SPC | Adams, Asotin, Benton, Columbia, Franklin, Garfield and 4 more | 54 min |
| Jul 18, 5:23 PM PDT | Mesoscale Discussion | SPC | Asotin, Columbia, Garfield | 67 min |
| Jul 19, 4:11 PM PDT | Mesoscale Discussion | SPC | Asotin, Benton, Columbia, Franklin, Klickitat, Skamania and 1 more | 94 min |
| Jul 20, 9:32 AM PDT | Mesoscale Discussion | SPC | Adams, Asotin, Benton, Columbia, Franklin, Garfield and 4 more | 88 min |
| Jul 20, 1:29 PM PDT | Mesoscale Discussion | SPC | Adams, Asotin, Benton, Chelan, Columbia, Douglas and 12 more | 91 min |
| Jul 20, 5:21 PM PDT | Mesoscale Discussion | SPC | Douglas, Ferry, Lincoln, Okanogan, Pend Oreille, Spokane and 1 more | 84 min |
| Nov 20, 10:51 AM PST | Mesoscale Discussion | SPC | Pacific | 114 min |
| Dec 16, 3:12 PM PST | Mesoscale Discussion | SPC | Chelan, Clallam, Douglas, Ferry, Grant, Jefferson and 14 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Garfield County14
- Asotin County13
- Columbia County13
- Walla Walla County11
- Whitman County10
- Benton County9
- Franklin County8
- Klickitat County7
- Spokane County7
- Adams County6
- Grant County6
- Lincoln County6
- Ferry County5
- Stevens County5
- Yakima County5
- Douglas County4
- Pend Oreille County4
- Kittitas County4
- Skamania County3
- Okanogan County3
- Cowlitz County2
- Lewis County2
- Mason County2
- Pierce County2
- Thurston County2
- Chelan County2
- Clark County1
- Wahkiakum County1
- Kitsap County1
- Pacific County1
- Clallam County1
- Jefferson County1
- Skagit 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 archive20112013
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.