Alert archive / Montana / Mesoscale Discussions

Mesoscale Discussions in Montana, 2017

38 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
38
Busiest month
June14 mesoscale discussions
Busiest day
July 10, 20173 mesoscale discussions

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 7, 1:00 PM MDTMesoscale DiscussionSPCMineral, Sanders3 hr
May 6, 3:42 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Deer Lodge, Jefferson, Judith Basin and 8 more63 min
May 7, 5:35 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Carter, Custer, Musselshell, Powder River and 3 more2 hr
May 12, 1:35 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Glacier and 10 more2 hr
May 13, 4:41 PM MDTMesoscale DiscussionSPCCarter, Powder River64 min
May 15, 3:07 PM MDTMesoscale DiscussionSPCCarter, Custer, Powder River, Prairie113 min
May 15, 6:34 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Prairie, Wibaux56 min
Jun 1, 12:42 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Granite and 6 more3 hr
Jun 4, 3:28 PM MDTMesoscale DiscussionSPCDeer Lodge, Granite, Lake, Lewis and Clark, Mineral, Missoula and 2 more3 hr
Jun 8, 4:24 PM MDTMesoscale DiscussionSPCCascade, Chouteau, Glacier, Granite, Hill, Lewis and Clark and 6 more96 min
Jun 8, 9:12 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Fergus, Hill93 min
Jun 9, 7:37 PM MDTMesoscale DiscussionSPCCuster, Prairie, Rosebud2 hr
Jun 12, 11:23 AM MDTMesoscale DiscussionSPCBeaverhead, Carbon, Gallatin, Jefferson, Madison, Park and 3 more3 hr
Jun 12, 2:17 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Gallatin, Park, Stillwater, Sweet Grass88 min
Jun 12, 6:00 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 4 more90 min
Jun 13, 4:58 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Daniels, Dawson, Hill, Liberty and 6 more2 hr
Jun 26, 3:53 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Fergus, Gallatin, Golden Valley and 13 more3 hr
Jun 26, 6:26 PM MDTMesoscale DiscussionSPCLake, Mineral, Missoula, Sanders64 min
Jun 27, 1:21 PM MDTMesoscale DiscussionSPCBeaverhead, Carbon, Gallatin, Madison, Park, Stillwater84 min
Jun 28, 12:39 PM MDTMesoscale DiscussionSPCBeaverhead, Big Horn, Carbon, Gallatin, Madison, Park and 4 more3 hr
Jun 28, 2:28 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, McCone, Prairie and 2 more2 hr
Jul 9, 1:44 PM MDTMesoscale DiscussionSPCCarbon, Gallatin, Jefferson, Madison, Park, Stillwater and 1 more3 hr
Jul 10, 1:20 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Deer Lodge, Fergus, Gallatin and 14 more115 min
Jul 10, 4:08 PM MDTMesoscale DiscussionSPCCarter, Fallon2 hr
Jul 10, 4:47 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Daniels, Dawson, Fallon and 11 more88 min
Jul 15, 2:07 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Flathead and 17 more53 min
Jul 16, 2:36 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Custer, Dawson, Fergus, Garfield and 13 more114 min
Jul 16, 6:30 PM MDTMesoscale DiscussionSPCCuster, Daniels, Dawson, Fallon, McCone, Powder River and 6 more2 hr
Jul 18, 2:22 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Prairie, Rosebud2 hr
Jul 19, 1:36 AM MDTMesoscale DiscussionSPCDawson, Fallon, Garfield, McCone, Petroleum, Phillips and 5 more114 min
Jul 19, 6:01 AM MDTMesoscale DiscussionSPCDawson, Richland, Wibaux119 min
Jul 20, 2:32 PM MDTMesoscale DiscussionSPCCarter, Custer, Daniels, Dawson, Fallon, McCone and 6 more58 min
Jul 20, 4:45 PM MDTMesoscale DiscussionSPCCarter, Dawson, Fallon, Richland, Sheridan, Wibaux90 min
Aug 1, 6:52 PM MDTMesoscale DiscussionSPCPowder River83 min
Aug 5, 5:46 PM MDTMesoscale DiscussionSPCWibaux59 min
Aug 14, 4:36 PM MDTMesoscale DiscussionSPCCarter114 min
Aug 24, 2:14 PM MDTMesoscale DiscussionSPCDeer Lodge, Granite, Jefferson, Ravalli, Silver Bow3 hr
Aug 25, 2:46 PM MDTMesoscale DiscussionSPCCarter, Fallon89 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

15 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 10, 20173mesoscale discussions
  2. June 12, 20172mesoscale discussions
  3. June 13, 20172mesoscale discussions
  4. June 27, 20172mesoscale discussions
  5. June 28, 20172mesoscale discussions
  6. July 19, 20172mesoscale discussions
  7. July 20, 20172mesoscale discussions
  8. April 7, 20171mesoscale discussions
  9. May 6, 20171mesoscale discussions
  10. May 7, 20171mesoscale discussions
  11. May 12, 20171mesoscale discussions
  12. May 13, 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. Warning verification from the Mesonet's Cow. Rebuilt daily.