Alert archive / Montana / Tornado Warnings

Tornado Warnings in Montana, 1999

28 tornado warnings in 1999. 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 1999. Tap one for its archive.

Tornado Warnings
28
Busiest month
August12 tornado warnings
Busiest day
August 15, 199910 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
Apr 28, 5:20 PM MDTTornado WarningBYZCarbon30 min
May 21, 1:30 PM MDTTornado WarningBYZCarter30 min
Jun 2, 5:30 PM MDTTornado WarningTFXChouteau, Liberty30 min
Jun 7, 9:49 PM MDTTornado WarningBYZMusselshell46 min
Jun 20, 6:05 PM MDTTornado WarningGGWDawson60 min
Jun 20, 8:19 PM MDTTornado WarningBYZFallon51 min
Jun 21, 7:40 PM MDTTornado WarningGGWPhillips, Valley65 min
Jun 21, 8:28 PM MDTTornado WarningGGWRoosevelt62 min
Jun 25, 6:27 PM MDTTornado WarningBYZCarter33 min
Jul 2, 10:20 PM MDTTornado WarningBYZTreasure30 min
Jul 3, 12:11 AM MDTTornado WarningBYZTreasure34 min
Jul 12, 6:24 PM MDTTornado WarningGGWDaniels36 min
Jul 15, 4:57 PM MDTTornado WarningBYZCarbon33 min
Jul 21, 7:34 PM MDTTornado WarningGGWValley66 min
Jul 21, 9:56 PM MDTTornado WarningGGWRoosevelt59 min
Jul 21, 10:56 PM MDTTornado WarningGGWRoosevelt64 min
Aug 7, 6:54 PM MDTTornado WarningTFXTeton31 min
Aug 14, 5:10 PM MDTTornado WarningTFXFergus35 min
Aug 14, 6:37 PM MDTTornado WarningTFXFergus33 min
Aug 14, 7:12 PM MDTTornado WarningTFXJudith Basin33 min
Aug 14, 7:35 PM MDTTornado WarningTFXFergus, Judith Basin25 min
Aug 14, 7:54 PM MDTTornado WarningTFXFergus66 min
Aug 14, 8:55 PM MDTTornado WarningGGWGarfield65 min
Aug 14, 9:14 PM MDTTornado WarningBYZWheatland61 min
Aug 14, 10:34 PM MDTTornado WarningBYZMusselshell36 min
Aug 15, 2:44 AM MDTTornado WarningBYZGolden Valley51 min
Aug 15, 11:07 AM MDTTornado WarningBYZYellowstone48 min
Aug 15, 12:30 PM MDTTornado WarningBYZRosebud30 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. August 15, 199910tornado warnings
  2. July 22, 19993tornado warnings
  3. June 21, 19992tornado warnings
  4. June 22, 19992tornado warnings
  5. July 3, 19992tornado warnings
  6. April 28, 19991tornado warnings
  7. May 21, 19991tornado warnings
  8. June 2, 19991tornado warnings
  9. June 8, 19991tornado warnings
  10. June 26, 19991tornado warnings
  11. July 13, 19991tornado warnings
  12. July 15, 19991tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19982000

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.