Alert archive / Montana / Mesoscale Discussions

Mesoscale Discussions in Montana, 2018

71 mesoscale discussions in 2018. 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 2018. Tap one for its archive.

Mesoscale Discussions
71
Busiest month
June27 mesoscale discussions
Busiest day
July 10, 20185 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
Mar 30, 2:03 PM MDTMesoscale DiscussionSPCSheridan5 hr
Apr 29, 12:40 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Powder River, Rosebud3 hr
Apr 29, 5:06 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, Powder River, Prairie and 1 more2 hr
May 6, 2:50 PM MDTMesoscale DiscussionSPCBeaverhead, Deer Lodge, Granite, Mineral, Ravalli, Silver Bow2 hr
May 7, 2:49 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Garfield, Musselshell, Petroleum and 5 more116 min
May 17, 12:58 PM MDTMesoscale DiscussionSPCCarter92 min
May 17, 4:54 PM MDTMesoscale DiscussionSPCCarter66 min
May 22, 4:56 PM MDTMesoscale DiscussionSPCCarter, Fallon, Powder River2 hr
May 23, 2:34 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more116 min
May 23, 5:07 PM MDTMesoscale DiscussionSPCCarter83 min
May 26, 2:21 PM MDTMesoscale DiscussionSPCBeaverhead, Big Horn, Broadwater, Carbon, Cascade, Custer and 33 more114 min
May 26, 4:46 PM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, Garfield, McCone, Prairie and 4 more119 min
May 26, 9:13 PM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, Garfield, McCone, Prairie and 4 more2 hr
May 27, 12:29 AM MDTMesoscale DiscussionSPCFallon, Wibaux3 hr
May 30, 1:48 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Jefferson, Madison and 5 more117 min
May 31, 12:33 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 5 more117 min
May 31, 1:47 PM MDTMesoscale DiscussionSPCCarter, Dawson, Fallon, Wibaux118 min
May 31, 5:27 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Custer, Gallatin, Golden Valley, Madison and 10 more93 min
May 31, 8:18 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Musselshell, Powder River and 4 more57 min
Jun 1, 11:03 AM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Dawson, Fallon, McCone and 4 more117 min
Jun 1, 3:04 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, Powder River, Prairie and 1 more86 min
Jun 3, 4:14 PM MDTMesoscale DiscussionSPCFlathead, Lake, Lincoln, Mineral, Missoula, Sanders2 hr
Jun 4, 1:47 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Cascade, Chouteau, Deer Lodge and 20 more118 min
Jun 4, 6:14 PM MDTMesoscale DiscussionSPCDaniels, Dawson, Garfield, McCone, Musselshell, Petroleum and 8 more3 hr
Jun 5, 5:54 PM MDTMesoscale DiscussionSPCCarter, Fallon2 hr
Jun 7, 10:24 AM MDTMesoscale DiscussionSPCDawson, Fergus, Garfield, McCone, Musselshell, Petroleum and 5 more66 min
Jun 7, 1:20 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Deer Lodge, Gallatin, Jefferson and 6 more85 min
Jun 7, 1:51 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, McCone, Powder River and 5 more84 min
Jun 7, 5:16 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, McCone, Powder River and 4 more119 min
Jun 9, 1:06 PM MDTMesoscale DiscussionSPCCascade, Deer Lodge, Flathead, Glacier, Granite, Lake and 8 more114 min
Jun 9, 2:50 PM MDTMesoscale DiscussionSPCCarter, Powder River2 hr
Jun 9, 4:53 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Deer Lodge, Flathead, Glacier and 15 more97 min
Jun 9, 6:35 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Prairie85 min
Jun 9, 7:11 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Fergus, Hill, Judith Basin94 min
Jun 10, 1:15 PM MDTMesoscale DiscussionSPCCarter2 hr
Jun 21, 2:28 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 13 more92 min
Jun 21, 6:43 PM MDTMesoscale DiscussionSPCBig Horn, Custer, Powder River, Rosebud, Treasure3 hr
Jun 22, 12:56 PM MDTMesoscale DiscussionSPCCarter, Fallon94 min
Jun 25, 5:29 PM MDTMesoscale DiscussionSPCBlaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 13 more3 hr
Jun 26, 2:35 PM MDTMesoscale DiscussionSPCCarter, Fallon85 min
Jun 28, 2:35 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Dawson, Fallon, Garfield and 7 more2 hr
Jun 28, 5:59 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Dawson, Fallon, Garfield and 7 more91 min
Jun 28, 8:06 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, Garfield, McCone and 7 more84 min
Jun 29, 11:23 AM MDTMesoscale DiscussionSPCBig Horn, Carbon97 min
Jun 29, 2:29 PM MDTMesoscale DiscussionSPCCarter, Powder River91 min
Jul 2, 5:58 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Prairie and 4 more3 hr
Jul 2, 8:50 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Rosebud and 2 more115 min
Jul 2, 11:01 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River89 min
Jul 3, 2:25 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Powder River2 hr
Jul 3, 8:13 PM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, McCone, Prairie, Richland and 3 more2 hr
Jul 3, 8:38 PM MDTMesoscale DiscussionSPCCarter2 hr
Jul 7, 7:55 PM MDTMesoscale DiscussionSPCCarter65 min
Jul 9, 4:48 PM MDTMesoscale DiscussionSPCDaniels, Richland, Roosevelt, Sheridan, Wibaux117 min
Jul 9, 6:22 PM MDTMesoscale DiscussionSPCPowder River113 min
Jul 9, 7:59 PM MDTMesoscale DiscussionSPCRichland, Roosevelt, Sheridan91 min
Jul 9, 9:24 PM MDTMesoscale DiscussionSPCRoosevelt, Sheridan96 min
Jul 10, 1:50 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Custer, Daniels, Dawson, Fergus and 18 more115 min
Jul 10, 4:28 PM MDTMesoscale DiscussionSPCBlaine, Garfield, Golden Valley, Musselshell, Petroleum, Phillips and 2 more2 hr
Jul 10, 6:32 PM MDTMesoscale DiscussionSPCDaniels, Dawson, Garfield, McCone, Musselshell, Petroleum and 10 more118 min
Jul 21, 11:53 AM MDTMesoscale DiscussionSPCDaniels, McCone, Richland, Roosevelt, Sheridan, Valley3 hr
Jul 21, 1:53 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Prairie, Wibaux3 hr
Jul 21, 5:18 PM MDTMesoscale DiscussionSPCCarter, Dawson, Fallon, Richland, Wibaux87 min
Jul 26, 1:10 PM MDTMesoscale DiscussionSPCBroadwater, Carbon, Cascade, Glacier, Golden Valley, Jefferson and 12 more3 hr
Jul 27, 4:55 PM MDTMesoscale DiscussionSPCBig Horn2 hr
Jul 29, 1:12 PM MDTMesoscale DiscussionSPCCarter, Powder River2 hr
Aug 2, 2:40 PM MDTMesoscale DiscussionSPCBeaverhead, Big Horn, Carbon, Gallatin, Madison, Park and 3 more2 hr
Aug 3, 1:48 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Gallatin, Madison, Park, Stillwater and 2 more117 min
Aug 17, 1:41 PM MDTMesoscale DiscussionSPCBeaverhead, Ravalli2 hr
Aug 20, 4:38 PM MDTMesoscale DiscussionSPCBeaverhead2 hr
Aug 26, 2:52 PM MDTMesoscale DiscussionSPCSheridan113 min
Dec 30, 8:48 PM MSTMesoscale DiscussionSPCBig Horn, Carbon, Carter, Powder River, Yellowstone5 hr

By county

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

16 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 10, 20185mesoscale discussions
  2. June 7, 20184mesoscale discussions
  3. May 31, 20183mesoscale discussions
  4. June 1, 20183mesoscale discussions
  5. June 9, 20183mesoscale discussions
  6. June 10, 20183mesoscale discussions
  7. June 29, 20183mesoscale discussions
  8. July 3, 20183mesoscale discussions
  9. July 21, 20183mesoscale discussions
  10. April 29, 20182mesoscale discussions
  11. May 17, 20182mesoscale discussions
  12. May 23, 20182mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20172019

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.