Alert archive / Montana / Mesoscale Discussions in 2020

Mesoscale Discussion 989

June 24, 20205 counties in Idaho; 12 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2020, 2:29 PM MDT for 5 counties in Idaho; 12 counties in Montana. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 24, 2020, 2:29 PM MDT (20:29 UTC)
Expired
Jun 24, 2020, 4:30 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%

Counties Clark County, ID, Custer County, ID, Idaho County, ID, Lemhi County, ID, Valley County, ID, Beaverhead County, MT, Broadwater County, MT, Carbon County, MT, Deer Lodge County, MT, Gallatin County, MT, Jefferson County, MT, Madison County, MT, Park County, MT, Ravalli County, MT, Silver Bow County, MT, Stillwater County, MT, Sweet Grass County, MT

The radar

The Pocatello radar (KSFX), 236 km from the middle of the area, began a volume at 20:28 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 2:07 PM MDTMesoscale DiscussionSPCBonner, Boundary, Kootenai, Shoshone2 hr
Jun 24, 4:28 PM MDTMesoscale DiscussionSPCFlathead, Glacier, Lake, Pondera, Teton62 min
Jun 24, 5:11 PM MDTSevere Thunderstorm WatchSPCBlaine, Chouteau, Glacier, Hill, Liberty, Pondera and 2 more5 hr

Nearby

Mesoscale Discussions in Montana, 2020Mesoscale Discussions in Idaho, 2020Every mesoscale discussion in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.