Alert archive / Montana / Mesoscale Discussions in 2014

Mesoscale Discussion 737

May 27, 201412 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at May 27, 2014, 6:12 PM MDT for 12 counties in Montana. It was in force for 48 min.

The area

The outline as issued.

The facts

Issued: May 27, 2014, 6:12 PM MDT (00:12 UTC)
Expired: May 27, 2014, 7:00 PM MDT
In force: 48 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch unlikely
Chance of a watch: 20%

Counties Broadwater County, MT, Cascade County, MT, Deer Lodge County, MT, Fergus County, MT, Golden Valley County, MT, Granite County, MT, Jefferson County, MT, Judith Basin County, MT, Meagher County, MT, Powell County, MT, Silver Bow County, MT, Wheatland County, MT

The radar

The Great Falls radar (KTFX), 111 km from the middle of the area, began a volume at 00:12 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
May 27, 10:58 PM MDT	Mesoscale Discussion	SPC	Custer, Fallon, Musselshell, Prairie, Rosebud, Treasure	62 min
May 28, 2:51 AM MDT	Mesoscale Discussion	SPC	Dawson, Prairie, Wibaux	114 min
May 28, 2:12 PM MDT	Mesoscale Discussion	SPC	Big Horn, Blaine, Broadwater, Carbon, Cascade, Chouteau and 17 more	2 hr
May 28, 2:47 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Broadwater, Carbon, Cascade, Custer, Gallatin and 13 more	6 hr
May 28, 4:59 PM MDT	Severe Thunderstorm Watch	SPC	Blaine, Chouteau, Daniels, Dawson, Fergus, Garfield and 12 more	7 hr

Nearby

Mesoscale Discussions in Montana, 2014 Every mesoscale discussion in 2014

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.