Alert archive / Montana / Mesoscale Discussions

Mesoscale Discussions in Montana, 2011

79 mesoscale discussions in 2011. 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 2011. Tap one for its archive.

Mesoscale Discussions
79
Busiest month
July44 mesoscale discussions
Busiest day
July 25, 20114 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
Feb 19, 4:58 PM MSTMesoscale DiscussionSPCBig Horn, Carter, Fallon, Powder River4 hr
May 15, 6:39 PM MDTMesoscale DiscussionSPCBeaverhead, Madison96 min
Jun 2, 1:54 PM MDTMesoscale DiscussionSPCCuster, Daniels, Dawson, Fallon, Garfield, McCone and 6 more66 min
Jun 2, 4:37 PM MDTMesoscale DiscussionSPCDaniels, Dawson, Richland, Roosevelt, Sheridan, Wibaux83 min
Jun 6, 2:13 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Jefferson, Madison and 5 more2 hr
Jun 6, 4:45 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Fergus, Golden Valley, Judith Basin, Meagher and 9 more2 hr
Jun 6, 8:25 PM MDTMesoscale DiscussionSPCBig Horn, Fergus, Garfield, Golden Valley, Musselshell, Petroleum and 6 more95 min
Jun 6, 8:59 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Jefferson, Lewis and Clark, Meagher61 min
Jun 6, 10:25 PM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, Garfield, McCone, Musselshell and 7 more95 min
Jun 11, 7:11 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River64 min
Jun 12, 12:52 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, Powder River, Prairie and 1 more53 min
Jun 23, 12:16 PM MDTMesoscale DiscussionSPCDeer Lodge, Flathead, Glacier, Granite, Lake, Lewis and Clark and 6 more59 min
Jun 23, 4:50 PM MDTMesoscale DiscussionSPCBig Horn, Blaine, Broadwater, Carbon, Cascade, Chouteau and 18 more85 min
Jun 24, 1:25 PM MDTMesoscale DiscussionSPCBig Horn, Powder River65 min
Jun 28, 4:33 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Deer Lodge, Granite, Jefferson and 6 more117 min
Jun 29, 12:35 PM MDTMesoscale DiscussionSPCBeaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 21 more115 min
Jun 29, 6:17 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Daniels, Dawson, Fergus, Garfield and 16 more118 min
Jun 29, 9:03 PM MDTMesoscale DiscussionSPCDaniels, Sheridan, Valley57 min
Jul 2, 12:17 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, Powder River, Prairie and 2 more58 min
Jul 2, 4:59 PM MDTMesoscale DiscussionSPCCarter, Custer, Powder River2 hr
Jul 2, 6:48 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River117 min
Jul 3, 12:31 PM MDTMesoscale DiscussionSPCBlaine, Broadwater, Cascade, Chouteau, Custer, Fergus and 19 more2 hr
Jul 3, 6:29 PM MDTMesoscale DiscussionSPCBig Horn, Blaine, Carbon, Custer, Dawson, Fergus and 14 more2 hr
Jul 3, 8:02 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Daniels, Dawson, Fallon and 13 more58 min
Jul 3, 10:30 PM MDTMesoscale DiscussionSPCCarter, Custer, Daniels, Dawson, Fallon, McCone and 5 more90 min
Jul 6, 2:19 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Carter, Custer, Gallatin and 9 more2 hr
Jul 7, 9:59 AM MDTMesoscale DiscussionSPCGarfield, Petroleum, Phillips91 min
Jul 8, 1:13 PM MDTMesoscale DiscussionSPCDawson, Fallon, Richland, Roosevelt, Sheridan, Wibaux62 min
Jul 8, 1:38 PM MDTMesoscale DiscussionSPCCarbon, Gallatin, Golden Valley, Madison, Park, Stillwater and 3 more97 min
Jul 8, 5:34 PM MDTMesoscale DiscussionSPCCuster, Powder River, Rosebud, Treasure56 min
Jul 11, 1:50 PM MDTMesoscale DiscussionSPCCarter, Fallon, Powder River85 min
Jul 11, 2:53 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Jefferson, Madison and 4 more97 min
Jul 12, 12:56 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Deer Lodge, Flathead, Gallatin and 16 more64 min
Jul 12, 5:30 PM MDTMesoscale DiscussionSPCBeaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 22 more60 min
Jul 12, 7:17 PM MDTMesoscale DiscussionSPCBlaine, Cascade, Chouteau, Fergus, Granite, Hill and 8 more58 min
Jul 13, 12:36 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Flathead and 18 more114 min
Jul 13, 5:13 PM MDTMesoscale DiscussionSPCBeaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 21 more62 min
Jul 13, 7:33 PM MDTMesoscale DiscussionSPCBlaine, Cascade, Chouteau, Fergus, Flathead, Glacier and 8 more57 min
Jul 14, 11:04 AM MDTMesoscale DiscussionSPCBlaine, Fergus, Golden Valley, Judith Basin, Meagher, Musselshell and 5 more116 min
Jul 14, 6:33 PM MDTMesoscale DiscussionSPCBig Horn, Custer, Daniels, Dawson, Garfield, McCone and 11 more57 min
Jul 15, 1:54 AM MDTMesoscale DiscussionSPCCarter, Dawson, Fallon, Powder River, Richland, Wibaux2 hr
Jul 15, 2:39 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Custer, Gallatin, Golden Valley and 13 more2 hr
Jul 15, 6:26 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Custer, Dawson, Fallon, Garfield and 12 more64 min
Jul 16, 2:04 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 6 more56 min
Jul 16, 4:14 PM MDTMesoscale DiscussionSPCBlaine, Cascade, Chouteau, Dawson, Fergus, Garfield and 11 more61 min
Jul 19, 2:49 PM MDTMesoscale DiscussionSPCBlaine, Cascade, Chouteau, Fergus, Hill, Judith Basin and 3 more86 min
Jul 22, 10:05 AM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, McCone, Prairie, Richland and 2 more55 min
Jul 22, 1:06 PM MDTMesoscale DiscussionSPCBig Horn, Custer, Daniels, Dawson, Fallon, Garfield and 11 more24 min
Jul 22, 4:17 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Carter, Custer, Dawson, Fallon and 13 more88 min
Jul 24, 2:06 PM MDTMesoscale DiscussionSPCCarter84 min
Jul 25, 11:23 AM MDTMesoscale DiscussionSPCCarter, Powder River97 min
Jul 25, 2:23 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Fergus, Gallatin, Golden Valley and 10 more97 min
Jul 25, 4:39 PM MDTMesoscale DiscussionSPCCarter96 min
Jul 25, 5:15 PM MDTMesoscale DiscussionSPCDawson, Garfield, McCone, Phillips, Prairie, Richland and 3 more2 hr
Jul 25, 9:07 PM MDTMesoscale DiscussionSPCDawson, McCone, Prairie83 min
Jul 26, 9:45 AM MDTMesoscale DiscussionSPCRoosevelt, Sheridan60 min
Jul 26, 1:07 PM MDTMesoscale DiscussionSPCDaniels, Dawson, Fallon, Garfield, McCone, Petroleum and 7 more53 min
Jul 26, 6:05 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, McCone, Prairie and 3 more85 min
Jul 28, 1:05 PM MDTMesoscale DiscussionSPCCarter115 min
Jul 29, 12:59 PM MDTMesoscale DiscussionSPCCarter91 min
Jul 29, 4:46 PM MDTMesoscale DiscussionSPCCarter, Custer, Daniels, Dawson, Fallon, McCone and 5 more59 min
Jul 29, 9:14 PM MDTMesoscale DiscussionSPCDawson, Richland, Wibaux61 min
Aug 4, 2:24 PM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, Garfield, McCone, Prairie and 4 more96 min
Aug 5, 12:05 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Prairie and 2 more2 hr
Aug 5, 4:25 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Prairie and 2 more2 hr
Aug 5, 6:32 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Rosebud, Treasure88 min
Aug 11, 3:40 PM MDTMesoscale DiscussionSPCDaniels, Dawson, Garfield, McCone, Phillips, Prairie and 3 more95 min
Aug 14, 5:56 PM MDTMesoscale DiscussionSPCCarter, Custer, Daniels, Dawson, Fallon, McCone and 6 more94 min
Aug 15, 1:38 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Deer Lodge, Gallatin, Jefferson and 7 more2 hr
Aug 15, 2:47 PM MDTMesoscale DiscussionSPCFallon58 min
Aug 15, 8:37 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, McCone, Powder River and 3 more83 min
Aug 26, 3:54 PM MDTMesoscale DiscussionSPCBroadwater, Carbon, Cascade, Chouteau, Deer Lodge, Fergus and 20 more96 min
Aug 27, 6:30 PM MDTMesoscale DiscussionSPCDaniels, Richland, Roosevelt, Sheridan, Valley90 min
Aug 29, 1:52 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Fergus, Golden Valley, Musselshell, Petroleum and 3 more83 min
Aug 29, 5:09 PM MDTMesoscale DiscussionSPCCuster, Powder River, Rosebud96 min
Aug 31, 2:20 PM MDTMesoscale DiscussionSPCCarbon, Garfield, Golden Valley, McCone, Musselshell, Park and 7 more115 min
Aug 31, 7:24 PM MDTMesoscale DiscussionSPCDawson, Richland, Roosevelt, Sheridan, Wibaux66 min
Sep 2, 1:56 PM MDTMesoscale DiscussionSPCCarter94 min
Sep 19, 1:15 PM MDTMesoscale DiscussionSPCFergus, Garfield, Golden Valley, Judith Basin, McCone, Musselshell and 8 more2 hr

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 25, 20114mesoscale discussions
  2. June 7, 20113mesoscale discussions
  3. July 4, 20113mesoscale discussions
  4. July 8, 20113mesoscale discussions
  5. July 13, 20113mesoscale discussions
  6. July 15, 20113mesoscale discussions
  7. July 16, 20113mesoscale discussions
  8. July 22, 20113mesoscale discussions
  9. July 26, 20113mesoscale discussions
  10. June 2, 20112mesoscale discussions
  11. June 6, 20112mesoscale discussions
  12. June 12, 20112mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.