Alert archive / North Dakota / Mesoscale Discussions in 2004

Mesoscale Discussion 1820

August 1, 200419 counties in North Dakota

The Storm Prediction Center issued this mesoscale discussion at Aug 1, 2004, 3:39 PM MDT for 19 counties in North Dakota. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued: Aug 1, 2004, 3:39 PM MDT (21:39 UTC)
Expired: Aug 1, 2004, 4:45 PM MDT
In force: 66 min
Issued by: the Storm Prediction Center

Counties Adams County, ND, Benson County, ND, Burleigh County, ND, Dunn County, ND, Emmons County, ND, Grant County, ND, Hettinger County, ND, Kidder County, ND, Logan County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Sheridan County, ND, Sioux County, ND, Stark County, ND, Ward County, ND, Wells County, ND

The radar

The Bismarck radar (KBIS), 58 km from the middle of the area, began a volume at 21:39 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 680Aug 1, 4:00 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
Aug 1, 2:43 AM MDT	Mesoscale Discussion	SPC	Golden Valley	92 min
Aug 1, 2:15 PM MDT	Tornado Watch	SPC	Sargent	7 hr
Aug 1, 4:00 PM MDT	Severe Thunderstorm Watch	SPC	Adams, Benson, Bottineau, Burleigh, Cavalier, Eddy and 22 more	5 hr

Nearby

Mesoscale Discussions in North Dakota, 2004 Every mesoscale discussion in 2004

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.