Alert archive / North Dakota / Severe Thunderstorm Watches in 2020

Severe Thunderstorm Watch 281

June 14, 202028 counties in North Dakota; 6 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 14, 2020, 2:20 PM MDT for 28 counties in North Dakota; 6 counties in South Dakota. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 14, 2020, 2:20 PM MDT (20:20 UTC)
Expired: Jun 14, 2020, 9:51 PM MDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 65 kt

All 34 counties

Adams County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Divide County, ND, Dunn County, ND, Emmons County, ND, Golden Valley County, ND, Grant County, ND, Hettinger County, ND, McHenry County, ND, McKenzie County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Oliver County, ND, Pierce County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Ward County, ND, Williams County, ND, Campbell County, SD, Corson County, SD, Dewey County, SD, Harding County, SD, Perkins County, SD, Ziebach County, SD

The radar

The Bismarck radar (KBIS), 107 km from the middle of the area, began a volume at 20:19 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 20%
One or more EF2 to EF5 tornadoes: 5%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 14, 2:43 PM MDT	Severe Thunderstorm Warning	UNR	Harding	62 min
Jun 14, 3:44 PM MDT	Severe Thunderstorm Warning	UNR	Harding	31 min
Jun 14, 3:47 PM MDT	Severe Thunderstorm Warning	BIS	Bowman	43 min
Jun 14, 4:17 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	43 min
Jun 14, 4:50 PM MDT	Severe Thunderstorm Warning	BIS	Golden Valley	55 min
Jun 14, 4:58 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Hettinger	62 min
Jun 14, 5:22 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley	53 min
Jun 14, 5:35 PM MDT	Severe Thunderstorm Warning	BIS	Hettinger, Stark	40 min
Jun 14, 5:40 PM MDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Hettinger, Slope	50 min
Jun 14, 5:55 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	65 min
Jun 14, 6:14 PM MDT	Severe Thunderstorm Warning	BIS	Billings, Dunn	61 min
Jun 14, 6:14 PM MDT	Severe Thunderstorm Warning	BIS	Morton, Stark	46 min
Jun 14, 6:40 PM MDT	Severe Thunderstorm Warning	BIS	Hettinger, Stark	35 min
Jun 14, 6:49 PM MDT	Severe Thunderstorm Warning	BIS	Dunn, McKenzie	23 min
Jun 14, 6:59 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie, Mountrail	61 min
Jun 14, 7:56 PM MDT	Severe Thunderstorm Warning	BIS	Mountrail	49 min
Jun 14, 8:20 PM MDT	Severe Thunderstorm Warning	BIS	Burke	55 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 1:20 PM MDT	Mesoscale Discussion	SPC	Adams, Billings, Bottineau, Bowman, Burke, Burleigh and 20 more	115 min
Jun 14, 5:19 PM MDT	Mesoscale Discussion	SPC	Adams, Billings, Bottineau, Bowman, Burleigh, Dunn and 17 more	116 min
Jun 14, 2:36 PM MDT	Mesoscale Discussion	SPC	Bennett, Haakon, Hughes, Jackson, Jones, Lyman and 4 more	2 hr

Nearby

Severe Thunderstorm Watches in North Dakota, 2020 Severe Thunderstorm Watches in South Dakota, 2020 Every severe thunderstorm watch in 2020

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.