Alert archive / Montana / Mesoscale Discussions

Mesoscale Discussions in Montana, 2007

100 mesoscale discussions in 2007. 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 2007. Tap one for its archive.

Mesoscale Discussions
100
Busiest month
June33 mesoscale discussions
Busiest day
June 17, 20076 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
Jan 7, 1:01 PM MSTMesoscale DiscussionSPCMineral5 hr
Mar 27, 2:44 PM MDTMesoscale DiscussionSPCBig Horn, Treasure, Yellowstone91 min
Apr 18, 2:51 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Park, Stillwater, Sweet Grass, Yellowstone84 min
Apr 29, 5:19 PM MDTMesoscale DiscussionSPCBig Horn, Custer, Golden Valley, Musselshell, Petroleum, Powder River and 3 more86 min
May 2, 2:28 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Park, Stillwater, Sweet Grass, Yellowstone2 hr
May 2, 4:36 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Fergus, Gallatin, Glacier and 13 more114 min
May 3, 1:35 PM MDTMesoscale DiscussionSPCBig Horn, Custer, Garfield, McCone, Petroleum, Phillips and 5 more25 min
May 3, 5:59 PM MDTMesoscale DiscussionSPCCuster, Daniels, Dawson, McCone, Powder River, Prairie and 4 more61 min
May 10, 12:30 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Deer Lodge, Fergus, Gallatin and 14 more3 hr
May 10, 3:59 PM MDTMesoscale DiscussionSPCBig Horn, Custer, Powder River, Rosebud, Treasure2 hr
May 10, 4:59 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Cascade, Chouteau, Deer Lodge and 21 more2 hr
May 12, 1:19 PM MDTMesoscale DiscussionSPCBlaine, Broadwater, Cascade, Chouteau, Fergus, Golden Valley and 10 more116 min
May 12, 5:07 PM MDTMesoscale DiscussionSPCBlaine, Broadwater, Cascade, Chouteau, Fergus, Hill and 8 more83 min
May 13, 1:49 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Custer, Gallatin, Garfield, Golden Valley and 10 more56 min
May 13, 4:58 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Custer, Garfield, McCone, Musselshell and 6 more92 min
May 13, 6:39 PM MDTMesoscale DiscussionSPCSheridan96 min
May 13, 7:13 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Rosebud92 min
May 17, 2:55 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Deer Lodge, Fergus, Gallatin and 20 more65 min
May 18, 3:08 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Fergus, Gallatin, Golden Valley and 10 more3 hr
May 19, 1:41 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Cascade, Fergus, Golden Valley and 12 more64 min
May 19, 5:43 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fergus, Golden Valley, Judith Basin and 9 more92 min
May 19, 9:04 PM MDTMesoscale DiscussionSPCCarter, Custer, Fergus, Garfield, Musselshell, Petroleum and 4 more56 min
May 20, 1:45 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Carter, Custer, Golden Valley, Musselshell and 7 more60 min
May 20, 6:48 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Powder River, Prairie, Rosebud and 2 more87 min
May 20, 10:03 PM MDTMesoscale DiscussionSPCCuster, Dawson, Prairie, Wibaux87 min
May 24, 4:37 PM MDTMesoscale DiscussionSPCBig Horn, Garfield, Musselshell, Petroleum, Rosebud, Treasure and 1 more53 min
May 27, 7:04 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Gallatin, Garfield, Golden Valley and 11 more116 min
Jun 5, 1:08 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Cascade, Chouteau, Fergus, Glacier and 13 more97 min
Jun 6, 1:28 AM MDTMesoscale DiscussionSPCRichland, Roosevelt, Sheridan92 min
Jun 6, 11:36 AM MDTMesoscale DiscussionSPCCarter, Powder River114 min
Jun 6, 5:19 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Rosebud26 min
Jun 6, 10:30 PM MDTMesoscale DiscussionSPCWibaux2 hr
Jun 11, 1:53 PM MDTMesoscale DiscussionSPCCarter, Fallon, Powder River, Wibaux2 hr
Jun 12, 2:03 AM MDTMesoscale DiscussionSPCFallon, Wibaux57 min
Jun 13, 6:50 PM MDTMesoscale DiscussionSPCDawson, McCone, Prairie, Richland, Rosebud2 hr
Jun 16, 1:37 PM MDTMesoscale DiscussionSPCBlaine, Broadwater, Carbon, Cascade, Chouteau, Fergus and 17 more53 min
Jun 16, 2:53 PM MDTMesoscale DiscussionSPCCarter, Powder River2 hr
Jun 16, 6:02 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 16 more88 min
Jun 16, 6:59 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Dawson, Fallon, Garfield and 9 more91 min
Jun 16, 8:06 PM MDTMesoscale DiscussionSPCRichland, Wibaux54 min
Jun 16, 10:23 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Dawson, Fallon, Garfield and 7 more97 min
Jun 17, 12:32 AM MDTMesoscale DiscussionSPCFergus, Garfield, McCone, Petroleum28 min
Jun 17, 4:02 AM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, Powder River, Prairie, Richland and 2 more58 min
Jun 20, 2:02 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 6 more58 min
Jun 20, 6:38 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Cascade, Chouteau, Deer Lodge and 19 more67 min
Jun 20, 8:38 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Deer Lodge, Fergus, Gallatin and 16 more67 min
Jun 21, 1:43 PM MDTMesoscale DiscussionSPCRichland, Wibaux92 min
Jun 22, 2:25 PM MDTMesoscale DiscussionSPCCuster, Dawson, Fallon, Prairie, Wibaux2 hr
Jun 24, 2:46 PM MDTMesoscale DiscussionSPCBig Horn, Carter, Custer, Fallon, Powder River, Prairie and 3 more2 hr
Jun 24, 6:48 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Carter, Custer, Dawson, Fallon and 14 more87 min
Jun 24, 9:47 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, Fergus, Garfield and 8 more58 min
Jun 25, 9:12 AM MDTMesoscale DiscussionSPCDaniels, Phillips, Sheridan, Valley93 min
Jun 25, 7:38 PM MDTMesoscale DiscussionSPCCarter97 min
Jun 28, 4:26 PM MDTMesoscale DiscussionSPCCascade, Chouteau, Flathead, Glacier, Hill, Lake and 6 more3 hr
Jun 29, 11:04 AM MDTMesoscale DiscussionSPCCascade, Glacier, Lewis and Clark, Pondera, Teton, Toole86 min
Jun 29, 5:40 PM MDTMesoscale DiscussionSPCBlaine, Carbon, Cascade, Chouteau, Deer Lodge, Fergus and 22 more2 hr
Jun 29, 8:44 PM MDTMesoscale DiscussionSPCBlaine, Cascade, Chouteau, Fergus, Flathead, Glacier and 11 more61 min
Jun 29, 10:22 PM MDTMesoscale DiscussionSPCBlaine, Glacier, Hill, Liberty, Pondera, Teton and 1 more23 min
Jun 30, 12:55 PM MDTMesoscale DiscussionSPCBig Horn, Broadwater, Carbon, Gallatin, Golden Valley, Jefferson and 6 more3 hr
Jun 30, 3:11 PM MDTMesoscale DiscussionSPCDaniels, Richland, Roosevelt, Sheridan2 hr
Jul 1, 2:00 PM MDTMesoscale DiscussionSPCBig Horn, Fergus, Golden Valley, Judith Basin, Musselshell, Petroleum and 5 more60 min
Jul 1, 5:31 PM MDTMesoscale DiscussionSPCCarter, Custer, Daniels, Dawson, Fallon, Garfield and 12 more59 min
Jul 2, 1:02 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Daniels, Fergus, Garfield, Golden Valley and 14 more88 min
Jul 2, 6:25 PM MDTMesoscale DiscussionSPCBig Horn, Blaine, Carbon, Carter, Chouteau, Custer and 14 more2 hr
Jul 2, 6:45 PM MDTMesoscale DiscussionSPCDaniels, Dawson, Garfield, McCone, Petroleum, Phillips and 5 more90 min
Jul 3, 12:58 AM MDTMesoscale DiscussionSPCDawson, Fallon, Prairie, Wibaux2 hr
Jul 6, 6:38 PM MDTMesoscale DiscussionSPCBlaine, Fergus, Petroleum, Phillips67 min
Jul 7, 1:25 PM MDTMesoscale DiscussionSPCBeaverhead, Big Horn, Broadwater, Carbon, Deer Lodge, Gallatin and 11 more95 min
Jul 8, 1:00 PM MDTMesoscale DiscussionSPCCarter, Powder River90 min
Jul 9, 12:31 PM MDTMesoscale DiscussionSPCCarter, Custer, Daniels, Dawson, Fallon, McCone and 5 more89 min
Jul 9, 3:40 PM MDTMesoscale DiscussionSPCCarter, Fallon, Wibaux95 min
Jul 14, 2:56 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 10 more2 hr
Jul 15, 4:10 PM MDTMesoscale DiscussionSPCBeaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 18 more2 hr
Jul 17, 1:45 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Park, Stillwater, Sweet Grass, Yellowstone3 hr
Jul 17, 3:10 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Flathead, Glacier, Granite and 14 more65 min
Jul 18, 3:35 PM MDTMesoscale DiscussionSPCFlathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more115 min
Jul 18, 10:11 PM MDTMesoscale DiscussionSPCFlathead, Lake, Lincoln, Mineral, Missoula, Sanders94 min
Jul 19, 1:46 PM MDTMesoscale DiscussionSPCBig Horn, Blaine, Carbon, Cascade, Chouteau, Fergus and 19 more2 hr
Jul 23, 2:34 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Gallatin, Judith Basin, Meagher and 3 more86 min
Jul 30, 3:50 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Fergus and 14 more2 hr
Aug 3, 1:32 PM MDTMesoscale DiscussionSPCCarter, Powder River2 hr
Aug 4, 12:57 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Gallatin, Golden Valley, Madison and 7 more3 hr
Aug 5, 12:32 PM MDTMesoscale DiscussionSPCBeaverhead, Carbon, Gallatin, Madison, Park, Stillwater and 2 more2 hr
Aug 7, 1:24 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Prairie, Rosebud2 hr
Aug 7, 5:30 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, McCone, Powder River and 3 more90 min
Aug 10, 3:57 PM MDTMesoscale DiscussionSPCBlaine, Custer, Daniels, Dawson, Fallon, Fergus and 10 more2 hr
Aug 10, 9:08 PM MDTMesoscale DiscussionSPCRichland, Sheridan67 min
Aug 12, 3:43 AM MDTMesoscale DiscussionSPCCarter, Fallon, Powder River62 min
Aug 13, 2:16 AM MDTMesoscale DiscussionSPCDaniels, Roosevelt, Sheridan, Valley89 min
Aug 17, 3:47 PM MDTMesoscale DiscussionSPCCarter118 min
Aug 17, 5:39 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Gallatin, Jefferson, Madison, Silver Bow2 hr
Aug 18, 1:50 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Carbon, Cascade, Fergus, Gallatin and 13 more115 min
Aug 19, 12:31 PM MDTMesoscale DiscussionSPCCarbon, Fergus, Gallatin, Golden Valley, Judith Basin, Meagher and 6 more119 min
Aug 19, 5:01 PM MDTMesoscale DiscussionSPCCarter, Custer, Fallon, Powder River, Rosebud89 min
Aug 19, 6:37 PM MDTMesoscale DiscussionSPCBlaine, Carbon, Chouteau, Dawson, Fergus, Garfield and 16 more113 min
Aug 31, 6:03 PM MDTMesoscale DiscussionSPCMineral87 min
Aug 31, 9:13 PM MDTMesoscale DiscussionSPCLincoln, Mineral, Sanders62 min
Sep 4, 4:48 PM MDTMesoscale DiscussionSPCDaniels, Dawson, McCone, Prairie, Richland, Roosevelt and 1 more2 hr
Sep 7, 5:36 PM MDTMesoscale DiscussionSPCCuster, Fergus, Garfield, Golden Valley, Musselshell, Petroleum and 6 more84 min
Sep 19, 10:24 PM MDTMesoscale DiscussionSPCCuster, Dawson, Garfield, McCone, Prairie, Richland and 1 more81 min

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. June 17, 20076mesoscale discussions
  2. June 30, 20074mesoscale discussions
  3. May 10, 20073mesoscale discussions
  4. June 6, 20073mesoscale discussions
  5. June 21, 20073mesoscale discussions
  6. June 25, 20073mesoscale discussions
  7. July 3, 20073mesoscale discussions
  8. May 2, 20072mesoscale discussions
  9. May 3, 20072mesoscale discussions
  10. May 12, 20072mesoscale discussions
  11. May 13, 20072mesoscale discussions
  12. May 14, 20072mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20062008

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.