Alert archive / Montana / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Montana, 1987

30 severe thunderstorm warnings in 1987. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in 1987. Tap one for its archive.

Severe Thunderstorm Warnings
30
Busiest month
July18 severe thunderstorm warnings
Busiest day
June 15, 19877 severe thunderstorm 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 15, 7:00 PM MDTSevere Thunderstorm WarningBYZFallon60 min
Jun 15, 3:44 PM MDTSevere Thunderstorm WarningMSOJefferson, Madison, Silver Bow61 min
Jun 15, 3:46 PM MDTSevere Thunderstorm WarningTFXFergus59 min
Jun 15, 4:19 PM MDTSevere Thunderstorm WarningMSOMissoula, Ravalli116 min
Jun 15, 4:19 PM MDTSevere Thunderstorm WarningMSOMineral116 min
Jun 15, 4:23 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Wheatland67 min
Jun 15, 4:34 PM MDTSevere Thunderstorm WarningMSOJefferson, Lewis and Clark, Powell116 min
Jun 15, 5:20 PM MDTSevere Thunderstorm WarningTFXCascade, Teton100 min
Jun 15, 7:14 PM MDTSevere Thunderstorm WarningTFXCascade, Teton61 min
Jun 18, 5:20 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Stillwater55 min
Jun 18, 6:22 PM MDTSevere Thunderstorm WarningTFXTeton68 min
Jun 19, 12:13 PM MDTSevere Thunderstorm WarningTFXJudith Basin62 min
Jul 1, 10:06 PM MDTSevere Thunderstorm WarningTFXGlacier39 min
Jul 3, 2:57 PM MDTSevere Thunderstorm WarningBYZPowder River, Rosebud63 min
Jul 3, 4:32 PM MDTSevere Thunderstorm WarningBYZCarter, Custer, Powder River58 min
Jul 5, 5:23 PM MDTSevere Thunderstorm WarningBYZGolden Valley67 min
Jul 5, 6:09 PM MDTSevere Thunderstorm WarningBYZStillwater, Yellowstone51 min
Jul 15, 10:00 PM MDTSevere Thunderstorm WarningGGWRoosevelt45 min
Jul 22, 4:07 PM MDTSevere Thunderstorm WarningBYZPowder River83 min
Jul 22, 5:35 PM MDTSevere Thunderstorm WarningBYZPowder River85 min
Jul 24, 9:52 PM MDTSevere Thunderstorm WarningTFXCascade, Chouteau68 min
Jul 25, 7:22 PM MDTSevere Thunderstorm WarningTFXToole68 min
Jul 25, 9:15 PM MDTSevere Thunderstorm WarningTFXHill60 min
Jul 26, 9:21 PM MDTSevere Thunderstorm WarningTFXPondera, Teton54 min
Jul 27, 2:48 PM MDTSevere Thunderstorm WarningBYZMusselshell72 min
Jul 28, 7:35 PM MDTSevere Thunderstorm WarningBYZMusselshell55 min
Jul 29, 6:51 PM MDTSevere Thunderstorm WarningGGWGarfield, McCone54 min
Jul 29, 7:40 PM MDTSevere Thunderstorm WarningGGWValley110 min
Jul 29, 10:21 PM MDTSevere Thunderstorm WarningBYZCuster69 min
Jul 31, 4:19 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Musselshell86 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 15, 19877severe thunderstorm warnings
  2. July 30, 19873severe thunderstorm warnings
  3. June 19, 19872severe thunderstorm warnings
  4. July 3, 19872severe thunderstorm warnings
  5. July 22, 19872severe thunderstorm warnings
  6. July 26, 19872severe thunderstorm warnings
  7. July 27, 19872severe thunderstorm warnings
  8. May 16, 19871severe thunderstorm warnings
  9. June 16, 19871severe thunderstorm warnings
  10. June 18, 19871severe thunderstorm warnings
  11. July 2, 19871severe thunderstorm warnings
  12. July 5, 19871severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19861988

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.