Alert archive / Montana / Tornado Warnings

Tornado Warnings in Montana, 1991

41 tornado warnings in 1991. 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 tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count in 1991. Tap one for its archive.

Tornado Warnings
41
Busiest month
June31 tornado warnings
Busiest day
June 21, 19915 tornado warnings

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
May 11, 10:30 PM MDTTornado WarningGGWGarfield, Valley45 min
May 20, 11:08 PM MDTTornado WarningBYZCuster37 min
May 25, 6:05 PM MDTTornado WarningGGWSheridan55 min
May 25, 6:17 PM MDTTornado WarningGGWRoosevelt58 min
May 31, 4:46 PM MDTTornado WarningBYZDawson44 min
Jun 4, 2:20 PM MDTTornado WarningBYZCuster25 min
Jun 6, 8:49 PM MDTTornado WarningGGWGarfield56 min
Jun 7, 9:43 PM MDTTornado WarningBYZRosebud47 min
Jun 19, 6:07 PM MDTTornado WarningBYZStillwater, Yellowstone38 min
Jun 19, 6:54 PM MDTTornado WarningBYZYellowstone66 min
Jun 19, 9:02 PM MDTTornado WarningBYZBig Horn28 min
Jun 19, 9:25 PM MDTTornado WarningBYZRosebud55 min
Jun 21, 4:43 PM MDTTornado WarningBYZYellowstone32 min
Jun 21, 5:01 PM MDTTornado WarningBYZBig Horn29 min
Jun 21, 5:23 PM MDTTornado WarningMSOMeagher67 min
Jun 21, 5:37 PM MDTTornado WarningBYZBig Horn38 min
Jun 21, 5:55 PM MDTTornado WarningBYZRosebud65 min
Jun 21, 6:22 PM MDTTornado WarningBYZBig Horn68 min
Jun 21, 6:33 PM MDTTornado WarningTFXFergus42 min
Jun 21, 8:41 PM MDTTornado WarningBYZCuster, Rosebud64 min
Jun 23, 3:19 PM MDTTornado WarningBYZGolden Valley, Wheatland56 min
Jun 23, 3:24 PM MDTTornado WarningBYZSweet Grass66 min
Jun 23, 5:49 PM MDTTornado WarningBYZBig Horn, Carbon, Yellowstone26 min
Jun 23, 6:20 PM MDTTornado WarningBYZBig Horn, Carbon, Yellowstone25 min
Jun 23, 6:34 PM MDTTornado WarningBYZBig Horn, Rosebud, Treasure26 min
Jun 23, 7:19 PM MDTTornado WarningBYZRosebud26 min
Jun 23, 7:49 PM MDTTornado WarningBYZRosebud26 min
Jun 24, 3:02 PM MDTTornado WarningTFXCascade58 min
Jun 24, 9:13 PM MDTTornado WarningBYZYellowstone32 min
Jun 25, 11:16 AM MDTTornado WarningTFXCascade, Chouteau29 min
Jun 25, 3:39 PM MDTTornado WarningBYZBig Horn36 min
Jun 25, 4:01 PM MDTTornado WarningTFXCascade, Chouteau59 min
Jun 29, 4:45 PM MDTTornado WarningTFXGlacier, Toole60 min
Jun 29, 5:24 PM MDTTornado WarningTFXFergus, Judith Basin66 min
Jun 29, 5:37 PM MDTTornado WarningBYZRosebud, Treasure68 min
Jun 29, 9:28 PM MDTTornado WarningGGWDaniels47 min
Jul 10, 7:33 PM MDTTornado WarningBYZCarter42 min
Jul 14, 10:29 PM MDTTornado WarningBYZDawson, Wibaux31 min
Jul 14, 10:39 PM MDTTornado WarningGGWRichland66 min
Aug 6, 5:42 PM MDTTornado WarningBYZDawson33 min
Aug 6, 5:42 PM MDTTornado WarningBYZFallon33 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.

  1. June 21, 19915tornado warnings
  2. June 24, 19915tornado warnings
  3. June 20, 19914tornado warnings
  4. June 25, 19914tornado warnings
  5. June 22, 19913tornado warnings
  6. June 23, 19913tornado warnings
  7. June 29, 19913tornado warnings
  8. May 26, 19912tornado warnings
  9. July 15, 19912tornado warnings
  10. August 6, 19912tornado warnings
  11. May 12, 19911tornado warnings
  12. May 21, 19911tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19901992

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.