Alert archive / North Dakota / Severe Thunderstorm Watches in 2018

Severe Thunderstorm Watch 239

June 28, 201817 counties in Minnesota; 49 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jun 28, 2018, 10:54 PM CDT for 17 counties in Minnesota; 49 counties in North Dakota. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued: Jun 28, 2018, 10:54 PM CDT (03:54 UTC)
Expired: Jun 29, 2018, 7:43 AM CDT
In force: 9 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 66 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Hubbard County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wadena County, MN, Wilkin County, MN, Adams County, ND, Barnes County, ND, Benson County, ND, Billings County, ND, Bottineau County, ND, Bowman County, ND, Burke County, ND, Burleigh County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Dunn County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Grant County, ND, Griggs County, ND, Hettinger County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Mountrail County, ND, Nelson County, ND, Oliver County, ND, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Ransom County, ND, Renville County, ND, Richland County, ND, Rolette County, ND, Sargent County, ND, Sheridan County, ND, Sioux County, ND, Slope County, ND, Stark County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Ward County, ND, Wells County, ND

The radar

The Minot AFB radar (KMBX), 113 km from the middle of the area, began a volume at 03:55 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: 10%
Ten or more severe wind reports: 90%
One or more gusts of 65 knots or more: 20%
Ten or more severe hail reports: 40%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 28, 11:18 PM CDT	Flash Flood Warning	BIS	McLean, Mountrail, Ward	6 hr
Jun 28, 11:19 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Renville, Ward	56 min
Jun 28, 11:26 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman, Hettinger, Slope	64 min
Jun 28, 11:30 PM CDT	Severe Thunderstorm Warning	BIS	Stark	60 min
Jun 28, 11:38 PM CDT	Severe Thunderstorm Warning	BIS	Dunn, McLean, Mercer, Oliver	67 min
Jun 29, 12:02 AM CDT	Severe Thunderstorm Warning	BIS	Morton	58 min
Jun 29, 12:10 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce, Rolette	65 min
Jun 29, 12:17 AM CDT	Severe Thunderstorm Warning	BIS	Adams, Grant, Hettinger, Morton, Sioux, Stark	58 min
Jun 29, 12:39 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, McLean, Mercer, Oliver, Sheridan	66 min
Jun 29, 12:43 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	62 min
Jun 29, 1:11 AM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce, Rolette	64 min
Jun 29, 1:14 AM CDT	Severe Thunderstorm Warning	BIS	Emmons, Grant, Morton, Sioux	61 min
Jun 29, 1:25 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Foster, Kidder, Sheridan, Stutsman, Wells	65 min
Jun 29, 1:45 AM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Kidder	30 min
Jun 29, 1:48 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	57 min
Jun 29, 2:05 AM CDT	Tornado Warning	BIS	Kidder, Stutsman	25 min
Jun 29, 2:08 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	67 min
Jun 29, 2:12 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, Emmons, Kidder, LaMoure, Logan, McIntosh and 1 more	63 min
Jun 29, 2:13 AM CDT	Severe Thunderstorm Warning	BIS	Pierce, Rolette	39 min
Jun 29, 2:23 AM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	37 min
Jun 29, 2:27 AM CDT	Tornado Warning	FGF	Benson, Ramsey	14 min
Jun 29, 2:29 AM CDT	Tornado Warning	BIS	LaMoure, Logan, Stutsman	31 min
Jun 29, 2:44 AM CDT	Severe Thunderstorm Warning	FGF	Cavalier, Towner	46 min
Jun 29, 2:45 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey, Towner	45 min
Jun 29, 2:57 AM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman	18 min
Jun 29, 2:59 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Grand Forks, Griggs, Steele, Traill	61 min
Jun 29, 3:15 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Grand Forks, Griggs, Nelson, Ramsey and 2 more	60 min
Jun 29, 3:16 AM CDT	Severe Thunderstorm Warning	FGF	Barnes, Cass, Ransom, Sargent	59 min
Jun 29, 3:17 AM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure	58 min
Jun 29, 3:30 AM CDT	Severe Thunderstorm Warning	FGF	Benson, Cavalier, Ramsey, Towner, Walsh	45 min
Jun 29, 3:40 AM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Steele	35 min
Jun 29, 3:51 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Norman, Polk	54 min
Jun 29, 3:58 AM CDT	Severe Thunderstorm Warning	FGF	Marshall, Polk	47 min
Jun 29, 4:06 AM CDT	Severe Thunderstorm Warning	FGF	Clay, Otter Tail, Wilkin	54 min
Jun 29, 4:25 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater, Kittson, Marshall, Pennington, Polk and 2 more	65 min
Jun 29, 4:31 AM CDT	Tornado Warning	FGF	Norman	29 min
Jun 29, 4:32 AM CDT	Tornado Warning	FGF	Mahnomen, Norman, Polk	28 min
Jun 29, 4:42 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Clearwater, Mahnomen, Norman, Polk	63 min
Jun 29, 4:57 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clay, Hubbard, Otter Tail, Wadena, Wilkin	63 min
Jun 29, 4:59 AM CDT	Tornado Warning	FGF	Clearwater, Polk	31 min
Jun 29, 5:23 AM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Clearwater	67 min
Jun 29, 5:36 AM CDT	Severe Thunderstorm Warning	FGF	Becker, Clearwater, Hubbard	54 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 28, 10:21 PM CDT	Mesoscale Discussion	SPC	Becker, Clay, Clearwater, Mahnomen, Marshall, Norman and 4 more	84 min
Jun 29, 2:02 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Beltrami, Carlton, Cass, Clay and 26 more	118 min
Jun 29, 4:14 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Beltrami, Benton, Carlton, Cass and 28 more	2 hr
Jun 29, 4:41 AM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Carlton, Cass, Cook, Crow Wing, Douglas and 9 more	5 hr
Jun 29, 6:41 AM CDT	Mesoscale Discussion	SPC	Aitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 7 more	2 hr
Jun 28, 9:06 PM CDT	Mesoscale Discussion	SPC	Adams, Barnes, Benson, Billings, Bowman, Burleigh and 33 more	84 min
Jun 29, 5:57 PM CDT	Mesoscale Discussion	SPC	Emmons, Sioux	63 min

Nearby

Severe Thunderstorm Watches in North Dakota, 2018 Severe Thunderstorm Watches in Minnesota, 2018 Every severe thunderstorm watch in 2018

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.