Alert archive / Montana / Mesoscale Discussions in 2013

Mesoscale Discussion 1848

September 6, 201315 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Sep 6, 2013, 5:04 PM MDT for 15 counties in Montana. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued
Sep 6, 2013, 5:04 PM MDT (23:04 UTC)
Expired
Sep 6, 2013, 6:30 PM MDT
In force
86 min
Issued by
the Storm Prediction Center

Counties Blaine County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Golden Valley County, MT, Hill County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Musselshell County, MT, Petroleum County, MT, Pondera County, MT, Teton County, MT, Toole County, MT, Wheatland County, MT

The radar

The Great Falls radar (KTFX), 85 km from the middle of the area, began a volume at 23:04 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.

IssuedProductOfficeCountiesLasted
Sep 5, 6:28 PM MDTMesoscale DiscussionSPCLincoln, Mineral, Sanders2 hr
Sep 5, 6:34 PM MDTMesoscale DiscussionSPCBeaverhead, Madison116 min
Sep 5, 7:05 PM MDTSevere Thunderstorm WatchSPCBroadwater, Deer Lodge, Gallatin, Granite, Jefferson, Lake and 9 more7 hr
Sep 5, 8:13 PM MDTMesoscale DiscussionSPCBroadwater, Deer Lodge, Granite, Jefferson, Lake, Lewis and Clark and 6 more2 hr
Sep 5, 10:44 PM MDTMesoscale DiscussionSPCBeaverhead, Broadwater, Deer Lodge, Granite, Jefferson, Lake and 7 more2 hr
Sep 6, 1:44 PM MDTMesoscale DiscussionSPCBroadwater, Cascade, Chouteau, Gallatin, Hill, Jefferson and 11 more61 min
Sep 6, 2:09 PM MDTSevere Thunderstorm WatchSPCBlaine, Broadwater, Cascade, Chouteau, Deer Lodge, Fergus and 18 more8 hr

Nearby

Mesoscale Discussions in Montana, 2013Every 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.