Alert archive / Montana / Mesoscale Discussions / 2021

Mesoscale Discussions in Montana, June 2021

21 mesoscale discussions in June 2021. 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 June 2021. Tap one for its archive.

Mesoscale Discussions
21
Busiest day
June 10, 20217 mesoscale discussions

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
Jun 3, 4:58 PM MDTMesoscale DiscussionSPCCascade, Chouteau, Deer Lodge, Granite, Lake, Lewis and Clark and 7 more3 hr
Jun 4, 1:59 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 7 more2 hr
Jun 4, 8:10 PM MDTMesoscale DiscussionSPCCuster, Dawson, Garfield, Golden Valley, Judith Basin, Musselshell and 8 more2 hr
Jun 5, 2:27 PM MDTMesoscale DiscussionSPCCarbon, Gallatin, Golden Valley, Musselshell, Park, Stillwater and 4 more2 hr
Jun 8, 2:39 PM MDTMesoscale DiscussionSPCCuster, Dawson, Garfield, McCone, Prairie, Richland and 5 more3 hr
Jun 8, 6:15 PM MDTMesoscale DiscussionSPCCarter, Custer, Daniels, Dawson, Fallon, McCone and 8 more90 min
Jun 9, 4:43 PM MDTMesoscale DiscussionSPCDeer Lodge, Granite, Lake, Lewis and Clark, Missoula, Powell and 2 more92 min
Jun 9, 5:05 PM MDTMesoscale DiscussionSPCBlaine, Cascade, Chouteau, Fergus, Hill, Judith Basin and 2 more85 min
Jun 9, 8:34 PM MDTMesoscale DiscussionSPCBlaine, Chouteau, Fergus, Hill, Judith Basin, Petroleum and 1 more86 min
Jun 9, 10:51 PM MDTMesoscale DiscussionSPCBlaine, Fergus, Petroleum, Phillips84 min
Jun 10, 1:47 PM MDTMesoscale DiscussionSPCBlaine, Fergus, Golden Valley, Musselshell, Petroleum, Phillips and 4 more88 min
Jun 10, 1:56 PM MDTMesoscale DiscussionSPCDaniels, Richland, Roosevelt, Sheridan, Valley, Wibaux94 min
Jun 10, 2:51 PM MDTMesoscale DiscussionSPCCarter114 min
Jun 10, 4:36 PM MDTMesoscale DiscussionSPCFallon, Richland, Roosevelt, Sheridan, Wibaux114 min
Jun 10, 4:48 PM MDTMesoscale DiscussionSPCGarfield, Golden Valley, Musselshell, Petroleum, Phillips, Treasure and 2 more87 min
Jun 10, 7:30 PM MDTMesoscale DiscussionSPCDaniels, Richland, Roosevelt, Sheridan, Wibaux2 hr
Jun 14, 2:27 PM MDTMesoscale DiscussionSPCBroadwater, Carbon, Cascade, Chouteau, Deer Lodge, Fergus and 17 more2 hr
Jun 19, 3:58 PM MDTMesoscale DiscussionSPCCarter, Fallon92 min
Jun 23, 4:33 PM MDTMesoscale DiscussionSPCBig Horn, Carbon, Golden Valley, Musselshell, Rosebud, Stillwater and 3 more117 min
Jun 24, 1:11 PM MDTMesoscale DiscussionSPCCascade, Flathead, Glacier, Lewis and Clark, Pondera, Teton2 hr
Jun 24, 2:37 PM MDTMesoscale DiscussionSPCCarter, Custer, Dawson, Fallon, Garfield, McCone and 5 more83 min

By county

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

13 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.