Alert archive / Washington / Mesoscale Discussions

Mesoscale Discussions in Washington, 2017

13 mesoscale discussions in 2017. 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 2017. Tap one for its archive.

Mesoscale Discussions
13
Busiest month
January4 mesoscale discussions
Busiest day
January 18, 20172 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.

IssuedProductOfficeCountiesLasted
Jan 7, 9:20 AM PSTMesoscale DiscussionSPCClark, Cowlitz, Wahkiakum6 hr
Jan 17, 3:42 PM PSTMesoscale DiscussionSPCClark, Klickitat6 hr
Jan 17, 5:47 PM PSTMesoscale DiscussionSPCAdams, Benton, Columbia, Douglas, Franklin, Grant and 3 more6 hr
Jan 18, 4:00 AM PSTMesoscale DiscussionSPCBenton, Franklin, Grant, Kittitas, Klickitat, Walla Walla and 1 more3 hr
Feb 8, 9:59 PM PSTMesoscale DiscussionSPCAdams, Franklin, Grant, Lincoln, Spokane, Whitman2 hr
Apr 7, 12:00 PM PDTMesoscale DiscussionSPCAdams, Asotin, Columbia, Garfield, Pend Oreille, Spokane and 2 more3 hr
May 4, 3:34 PM PDTMesoscale DiscussionSPCBenton, Chelan, Clark, Cowlitz, Douglas, Franklin and 9 more86 min
May 4, 7:48 PM PDTMesoscale DiscussionSPCBenton, Clark, Cowlitz, Kittitas, Klickitat, Lewis and 4 more87 min
May 5, 2:16 PM PDTMesoscale DiscussionSPCAsotin, Columbia, Garfield119 min
May 30, 2:48 PM PDTMesoscale DiscussionSPCBenton, Kittitas, Klickitat, Yakima2 hr
Jun 26, 1:12 PM PDTMesoscale DiscussionSPCAdams, Asotin, Benton, Columbia, Franklin, Garfield and 7 more3 hr
Jun 26, 5:26 PM PDTMesoscale DiscussionSPCAdams, Benton, Columbia, Franklin, Garfield, Spokane and 2 more64 min
Dec 24, 9:49 AM PSTMesoscale DiscussionSPCClark3 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.

  1. January 18, 20172mesoscale discussions
  2. May 5, 20172mesoscale discussions
  3. January 7, 20171mesoscale discussions
  4. January 17, 20171mesoscale discussions
  5. February 9, 20171mesoscale discussions
  6. April 7, 20171mesoscale discussions
  7. May 4, 20171mesoscale discussions
  8. May 30, 20171mesoscale discussions
  9. June 26, 20171mesoscale discussions
  10. June 27, 20171mesoscale discussions
  11. December 24, 20171mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

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.