Alert archive / North Dakota / Mesoscale Discussions in 2013

Mesoscale Discussion 1387

July 13, 20134 states

The Storm Prediction Center issued this mesoscale discussion at Jul 13, 2013, 2:08 PM MDT for 4 states. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued: Jul 13, 2013, 2:08 PM MDT (20:08 UTC)
Expired: Jul 13, 2013, 3:15 PM MDT
In force: 67 min
Issued by: the Storm Prediction Center
Chance of a watch: 60%

All 21 counties

Carter County, MT, Fallon County, MT, Wibaux County, MT, Adams County, ND, Billings County, ND, Bowman County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Hettinger County, ND, McKenzie County, ND, Mountrail County, ND, Slope County, ND, Stark County, ND, Williams County, ND, Butte County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Perkins County, SD, Crook County, WY

The radar

The Rapid City radar (KUDX), 239 km from the middle of the area, began a volume at 20:08 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 413Jul 13, 2:50 PM MDT

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
Jul 13, 2:47 PM MDT	Severe Thunderstorm Watch	SPC	Carter, Fallon, Richland, Roosevelt, Sheridan, Wibaux	6 hr
Jul 13, 5:33 PM MDT	Mesoscale Discussion	SPC	Carter, Fallon, Wibaux	87 min
Jul 12, 8:13 PM MDT	Mesoscale Discussion	SPC	Richland, Sargent	92 min

Nearby

Mesoscale Discussions in North Dakota, 2013 Mesoscale Discussions in South Dakota, 2013 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.