Alert archive / North Dakota / Mesoscale Discussions in 2014

Mesoscale Discussion 1420

July 21, 201426 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Jul 21, 2014, 2:20 PM MDT for 26 counties in North Dakota. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued: Jul 21, 2014, 2:20 PM MDT (20:20 UTC)
Expired: Jul 21, 2014, 3:15 PM MDT
In force: 55 min
Issued by: the Storm Prediction Center

All 26 counties

Adams County, ND, Benson County, ND, Burleigh County, ND, Dunn County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Pierce County, ND, Ramsey County, ND, Sheridan County, ND, Sioux County, ND, Stark County, ND, Stutsman County, ND, Towner County, ND, Ward County, ND, Wells County, ND

The radar

The Bismarck radar (KBIS), 75 km from the middle of the area, began a volume at 20:21 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 427Jul 21, 4:10 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 21, 11:52 AM MDT	Mesoscale Discussion	SPC	Adams, Benson, Billings, Burleigh, Dunn, Grant and 16 more	83 min
Jul 21, 12:09 PM MDT	Tornado Watch	SPC	Adams, Benson, Billings, Bottineau, Bowman, Burke and 33 more	6 hr
Jul 21, 3:01 PM MDT	Mesoscale Discussion	SPC	Barnes, Benson, Burleigh, Cass, Cavalier, Dickey and 29 more	89 min
Jul 21, 4:07 PM MDT	Severe Thunderstorm Watch	SPC	Barnes, Benson, Cass, Cavalier, Dickey, Eddy and 19 more	6 hr
Jul 21, 5:42 PM MDT	Mesoscale Discussion	SPC	Barnes, Benson, Cass, Cavalier, Dickey, Eddy and 18 more	93 min

Nearby

Mesoscale Discussions in North Dakota, 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.