Alert archive / Montana / Severe Thunderstorm Warnings / 2018

Severe Thunderstorm Warnings in Montana, August 2018

15 severe thunderstorm warnings in August 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in August 2018. Tap one for its archive.

Severe Thunderstorm Warnings
15
Busiest day
August 4, 20186 severe thunderstorm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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
Aug 2, 2:32 PM MDTSevere Thunderstorm WarningBYZCarbon, Stillwater, Yellowstone28 min
Aug 2, 2:57 PM MDTSevere Thunderstorm WarningBYZCarbon, Stillwater, Yellowstone48 min
Aug 2, 5:58 PM MDTSevere Thunderstorm WarningBYZPark50 min
Aug 3, 1:40 PM MDTSevere Thunderstorm WarningTFXCascade, Chouteau35 min
Aug 3, 4:51 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carbon, Yellowstone39 min
Aug 3, 5:27 PM MDTSevere Thunderstorm WarningBYZBig Horn, Custer, Powder River, Rosebud, Treasure63 min
Aug 3, 6:28 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more62 min
Aug 3, 6:41 PM MDTSevere Thunderstorm WarningBYZBig Horn, Powder River49 min
Aug 3, 7:02 PM MDTSevere Thunderstorm WarningBYZCuster28 min
Aug 3, 7:23 PM MDTSevere Thunderstorm WarningGGWDawson, McCone, Prairie, Wibaux52 min
Aug 3, 7:28 PM MDTSevere Thunderstorm WarningBYZCarter, Custer, Fallon, Powder River92 min
Aug 3, 9:00 PM MDTSevere Thunderstorm WarningBYZCarter, Fallon30 min
Aug 5, 6:35 PM MDTSevere Thunderstorm WarningGGWRichland, Roosevelt40 min
Aug 20, 3:53 PM MDTSevere Thunderstorm WarningTFXBeaverhead37 min
Aug 23, 6:14 AM MDTSevere Thunderstorm WarningGGWDawson, Prairie, Wibaux61 min

By county

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

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.