Alert archive / North Dakota / Tornado Watches in 2010

Tornado Watch 333

June 17, 201018 counties in Minnesota; 42 counties in North Dakota

The Storm Prediction Center issued this tornado watch at Jun 17, 2010, 12:21 PM CDT for 18 counties in Minnesota; 42 counties in North Dakota. It was in force for 9 hr.

The area

The outline as issued.

The facts

Issued: Jun 17, 2010, 12:21 PM CDT (17:21 UTC)
Expired: Jun 17, 2010, 9:00 PM CDT
In force: 9 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 70 kt

All 60 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Grant 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, Barnes County, ND, Benson County, ND, Bottineau County, ND, Burke County, ND, Burleigh County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Grant County, ND, Griggs 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, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Ward County, ND, Wells County, ND

What SPC expected

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

Two or more tornadoes: 50%
One or more EF2 to EF5 tornadoes: 20%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 40%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 90%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 17, 12:28 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Kidder, Stutsman, Wells	52 min
Jun 17, 12:30 PM CDT	Severe Thunderstorm Warning	BIS	Grant, Sioux	60 min
Jun 17, 12:55 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy	50 min
Jun 17, 1:19 PM CDT	Severe Thunderstorm Warning	FGF	Beltrami, Hubbard	56 min
Jun 17, 1:41 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	49 min
Jun 17, 1:56 PM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer, Oliver	64 min
Jun 17, 2:07 PM CDT	Severe Thunderstorm Warning	BIS	Burleigh, Emmons, Kidder, McLean, Oliver	53 min
Jun 17, 2:14 PM CDT	Severe Thunderstorm Warning	BIS	Kidder, Logan, Stutsman	61 min
Jun 17, 2:24 PM CDT	Severe Thunderstorm Warning	BIS	McLean	66 min
Jun 17, 2:36 PM CDT	Tornado Warning	BIS	Burke, Divide	54 min
Jun 17, 2:51 PM CDT	Severe Thunderstorm Warning	BIS	Pierce, Rolette	39 min
Jun 17, 2:54 PM CDT	Severe Thunderstorm Warning	BIS	Ward	66 min
Jun 17, 3:04 PM CDT	Tornado Warning	BIS	Stutsman	26 min
Jun 17, 3:07 PM CDT	Tornado Warning	FGF	Otter Tail, Wadena	53 min
Jun 17, 3:15 PM CDT	Severe Thunderstorm Warning	BIS	Foster, Stutsman, Wells	60 min
Jun 17, 3:21 PM CDT	Tornado Warning	BIS	Stutsman	24 min
Jun 17, 3:27 PM CDT	Tornado Warning	FGF	Becker, Clay, Clearwater, Mahnomen, Norman, Polk	63 min
Jun 17, 3:27 PM CDT	Tornado Warning	BIS	Wells	33 min
Jun 17, 3:33 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	57 min
Jun 17, 3:36 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Steele	39 min
Jun 17, 3:38 PM CDT	Tornado Warning	FGF	Becker, Otter Tail	67 min
Jun 17, 3:43 PM CDT	Tornado Warning	BIS	Foster, Stutsman	32 min
Jun 17, 3:43 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Eddy, Ramsey	47 min
Jun 17, 3:48 PM CDT	Tornado Warning	FGF	Grand Forks, Traill	42 min
Jun 17, 3:52 PM CDT	Tornado Warning	FGF	Barnes, Griggs	53 min
Jun 17, 3:55 PM CDT	Tornado Warning	FGF	Otter Tail, Wadena	65 min
Jun 17, 3:57 PM CDT	Tornado Warning	BIS	Foster	14 min
Jun 17, 3:59 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Walsh	46 min
Jun 17, 4:01 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Pierce, Rolette	59 min
Jun 17, 4:02 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, Renville, Ward	58 min
Jun 17, 4:03 PM CDT	Tornado Warning	FGF	Eddy, Griggs, Nelson	42 min
Jun 17, 4:04 PM CDT	Tornado Warning	FGF	Beltrami, Clearwater, Pennington, Polk, Red Lake	56 min
Jun 17, 4:06 PM CDT	Flash Flood Warning	BIS	McHenry, Ward	117 min
Jun 17, 4:08 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau, McHenry, Renville	52 min
Jun 17, 4:09 PM CDT	Tornado Warning	FGF	Barnes, Griggs, Steele	51 min
Jun 17, 4:14 PM CDT	Tornado Warning	BIS	Foster	16 min
Jun 17, 4:21 PM CDT	Tornado Warning	FGF	Becker, Clearwater, Hubbard, Mahnomen, Otter Tail, Wadena	54 min
Jun 17, 4:24 PM CDT	Tornado Warning	FGF	Benson, Eddy, Ramsey	51 min
Jun 17, 4:27 PM CDT	Severe Thunderstorm Warning	FGF	Benson, Ramsey	48 min
Jun 17, 4:29 PM CDT	Tornado Warning	FGF	Marshall, Polk	46 min
Jun 17, 4:32 PM CDT	Severe Thunderstorm Warning	BIS	McHenry, Ward	28 min
Jun 17, 4:33 PM CDT	Tornado Warning	FGF	Benson, Eddy, Griggs, Nelson, Ramsey	42 min
Jun 17, 4:35 PM CDT	Tornado Warning	FGF	Grand Forks, Griggs, Nelson, Steele, Traill	40 min
Jun 17, 4:52 PM CDT	Tornado Warning	FGF	Benson, Cavalier, Ramsey, Towner	53 min
Jun 17, 4:56 PM CDT	Tornado Warning Emergency	FGF	Becker, Clearwater, Hubbard, Otter Tail, Wadena	64 min
Jun 17, 4:58 PM CDT	Flash Flood Warning	BIS	Ward	6 hr
Jun 17, 4:58 PM CDT	Tornado Warning	FGF	Grand Forks, Nelson, Ramsey, Walsh	47 min
Jun 17, 5:01 PM CDT	Tornado Warning	FGF	Marshall, Polk	44 min
Jun 17, 5:09 PM CDT	Tornado Warning	FGF	Beltrami, Clearwater, Marshall, Pennington, Polk, Red Lake	51 min
Jun 17, 5:15 PM CDT	Tornado Warning	FGF	Polk	30 min
Jun 17, 5:24 PM CDT	Tornado Warning	FGF	Marshall	51 min
Jun 17, 5:28 PM CDT	Tornado Warning	FGF	Polk	46 min
Jun 17, 5:35 PM CDT	Tornado Warning	FGF	Norman, Polk	55 min
Jun 17, 5:36 PM CDT	Tornado Warning	FGF	Walsh	24 min
Jun 17, 5:43 PM CDT	Tornado Warning	FGF	Grand Forks, Walsh	47 min
Jun 17, 5:54 PM CDT	Tornado Warning	FGF	Lake of the Woods, Roseau	51 min
Jun 17, 5:59 PM CDT	Tornado Warning Emergency	FGF	Clearwater, Mahnomen, Marshall, Norman, Pennington, Polk and 1 more	61 min
Jun 17, 6:11 PM CDT	Tornado Warning	FGF	Pembina, Walsh	31 min
Jun 17, 6:38 PM CDT	Tornado Warning	FGF	Kittson, Roseau	67 min
Jun 17, 6:51 PM CDT	Tornado Warning	FGF	Becker, Beltrami, Clearwater, Hubbard	54 min
Jun 17, 6:58 PM CDT	Tornado Warning	FGF	Beltrami, Clearwater, Marshall, Pennington, Polk, Red Lake	47 min

Discussions around it

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

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 5.4 hours before the alert went out and 153 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 24 J/kg
Mixed-layer CIN: -252 J/kg
Mixed-layer LCL: 565 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -314 m²/s²
0-3 km storm-relative helicity: -223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 17, 7:53 AM CDT	Mesoscale Discussion	SPC	Becker, Clay, Grant, Mahnomen, Norman, Otter Tail and 3 more	97 min
Jun 17, 12:03 PM CDT	Mesoscale Discussion	SPC	Big Stone, Brown, Chippewa, Cottonwood, Jackson, Kandiyohi and 14 more	87 min
Jun 17, 12:04 PM CDT	Mesoscale Discussion	SPC	Clay, Kittson, Marshall, Norman, Pennington, Polk and 1 more	56 min
Jun 17, 1:09 PM CDT	Mesoscale Discussion	SPC	Aitkin, Cass, Crow Wing, Itasca, Koochiching, Saint Louis	96 min
Jun 17, 1:54 PM CDT	Tornado Watch	SPC	Anoka, Benton, Big Stone, Blue Earth, Brown, Carver and 46 more	8 hr
Jun 17, 2:18 PM CDT	Mesoscale Discussion	SPC	Becker, Clay, Mahnomen, Norman, Otter Tail, Polk and 2 more	57 min
Jun 17, 2:30 PM CDT	Tornado Watch	SPC	Aitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 2 more	9 hr
Jun 17, 3:31 PM CDT	Mesoscale Discussion	SPC	Aitkin, Benton, Blue Earth, Brown, Carver, Cass and 37 more	59 min
Jun 17, 4:46 PM CDT	Mesoscale Discussion	SPC	Fillmore, Houston, Mower, Olmsted, Wabasha, Winona	59 min
Jun 17, 5:50 PM CDT	Tornado Watch	SPC	Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more	7 hr
Jun 17, 6:41 PM CDT	Mesoscale Discussion	SPC	Clearwater, Kittson, Mahnomen, Marshall, Pennington, Polk and 1 more	64 min
Jun 16, 7:01 PM CDT	Mesoscale Discussion	SPC	Bowman	59 min
Jun 16, 7:20 PM CDT	Tornado Watch	SPC	Billings, Bottineau, Burke, Burleigh, Divide, Dunn and 14 more	8 hr
Jun 16, 9:50 PM CDT	Mesoscale Discussion	SPC	Billings, McKenzie, Williams	55 min
Jun 16, 10:23 PM CDT	Mesoscale Discussion	SPC	Emmons, Kidder, Logan, McIntosh, Sioux	67 min
Jun 16, 11:09 PM CDT	Severe Thunderstorm Watch	SPC	Barnes, Burleigh, Dickey, Emmons, Kidder, LaMoure and 3 more	5 hr
Jun 17, 2:05 AM CDT	Mesoscale Discussion	SPC	Barnes, Benson, Bottineau, Burleigh, Dickey, Eddy and 20 more	55 min

Nearby

Tornado Watches in North Dakota, 2010 Tornado Watches in Minnesota, 2010 Every tornado watch in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.