Alert archive / Montana / Mesoscale Discussions in 2013

Mesoscale Discussion 1849

September 6, 201310 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Sep 6, 2013, 7:06 PM MDT for 10 counties in Montana. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Sep 6, 2013, 7:06 PM MDT (01:06 UTC)
Expired: Sep 6, 2013, 8:30 PM MDT
In force: 84 min
Issued by: the Storm Prediction Center

Counties Blaine County, MT, Cascade County, MT, Chouteau County, MT, Hill County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Pondera County, MT, Teton County, MT, Toole County, MT

The radar

The Great Falls radar (KTFX), 54 km from the middle of the area, began a volume at 01:10 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, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 6, 9:39 PM MDT	Mesoscale Discussion	SPC	Blaine, Cascade, Chouteau, Hill, Liberty, Phillips and 3 more	66 min
Sep 7, 2:24 PM MDT	Mesoscale Discussion	SPC	Carter, Custer, Fallon, Powder River, Prairie, Rosebud and 1 more	2 hr
Sep 7, 4:21 PM MDT	Severe Thunderstorm Watch	SPC	Carter, Custer, Fallon, Powder River, Rosebud	7 hr
Sep 7, 5:22 PM MDT	Mesoscale Discussion	SPC	Broadwater, Cascade, Golden Valley, Jefferson, Judith Basin, Lewis and Clark and 7 more	113 min

Nearby

Mesoscale Discussions in Montana, 2013 Every mesoscale discussion in 2013

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.