Alert archive / Oregon / Mesoscale Discussions

Mesoscale Discussions in Oregon, 2026

11 mesoscale discussions in 2026. 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 2026. Tap one for its archive.

Mesoscale Discussions
11
Busiest month
May5 mesoscale discussions
Busiest day
May 28, 20262 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 3, 8:39 AM PSTMesoscale DiscussionSPCCoos, Curry2 hr
Apr 9, 12:04 PM PDTMesoscale DiscussionSPCDouglas, Josephine116 min
Apr 10, 4:13 PM PDTMesoscale DiscussionSPCBenton, Douglas, Lane, Linn, Marion2 hr
May 27, 1:50 PM PDTMesoscale DiscussionSPCBaker, Crook, Deschutes, Grant, Harney, Jackson and 6 more85 min
May 28, 11:29 AM PDTMesoscale DiscussionSPCBaker, Clackamas, Crook, Deschutes, Gilliam, Grant and 12 more3 hr
May 28, 3:15 PM PDTMesoscale DiscussionSPCBaker, Crook, Deschutes, Gilliam, Grant, Harney and 11 more2 hr
May 28, 5:10 PM PDTMesoscale DiscussionSPCBaker, Crook, Deschutes, Gilliam, Grant, Harney and 11 more2 hr
May 28, 6:53 PM PDTMesoscale DiscussionSPCGilliam, Morrow, Sherman, Wasco97 min
Jul 15, 12:31 PM PDTMesoscale DiscussionSPCBaker, Crook, Deschutes, Gilliam, Grant, Harney and 10 more89 min
Jul 22, 2:48 PM PDTMesoscale DiscussionSPCClackamas, Deschutes, Hood River, Jefferson, Klamath, Wasco117 min
Jul 23, 12:19 PM PDTMesoscale DiscussionSPCBaker, Grant, Malheur, Umatilla, Union, Wallowa116 min

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 archive2025

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.