Alert archive / North Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 1490

June 26, 200515 counties in Minnesota; 25 counties in North Dakota; 9 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2005, 7:08 PM CDT for 15 counties in Minnesota; 25 counties in North Dakota; 9 counties in South Dakota. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 26, 2005, 7:08 PM CDT (00:08 UTC)
Expired: Jun 26, 2005, 9:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 49 counties

Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Hubbard 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, Wadena County, MN, Wilkin County, MN, Barnes County, ND, Burleigh County, ND, Cass 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, McIntosh County, ND, Morton County, ND, Nelson County, ND, Oliver County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Wells County, ND, Brown County, SD, Campbell County, SD, Corson County, SD, Dewey County, SD, Edmunds County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Walworth County, SD

The radar

The Fargo/Grand Forks radar (KMVX), 99 km from the middle of the area, began a volume at 00:11 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 533Jun 26, 8:15 PM CDT

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 0.1 hours before the alert went out and 206 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: 2223 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1647 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.7

Open this sounding in Storm Lab

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
Jun 26, 7:40 PM CDT	Mesoscale Discussion	SPC	Aitkin, Carlton, Cass, Crow Wing, Itasca	2 hr
Jun 26, 8:15 PM CDT	Severe Thunderstorm Watch	SPC	Clay, Kittson, Norman, Traverse, Wilkin	8 hr
Jun 26, 9:58 PM CDT	Mesoscale Discussion	SPC	Clay, Kittson, Norman, Traverse, Wilkin	92 min
Jun 26, 10:20 PM CDT	Mesoscale Discussion	SPC	Becker, Beltrami, Cass, Clearwater, Hubbard, Itasca and 8 more	115 min
Jun 26, 11:45 PM CDT	Severe Thunderstorm Watch	SPC	Becker, Beltrami, Cass, Clay, Clearwater, Hubbard and 11 more	6 hr
Jun 27, 1:51 AM CDT	Mesoscale Discussion	SPC	Clay, Kittson, Marshall, Norman, Polk, Wilkin	54 min
Jun 27, 2:59 AM CDT	Mesoscale Discussion	SPC	Hubbard, Koochiching	61 min
Jun 27, 12:29 PM CDT	Mesoscale Discussion	SPC	Aitkin, Benton, Brown, Carlton, Cass, Chippewa and 22 more	2 hr
Jun 27, 1:25 PM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Benton, Carlton, Cass, Cook, Crow Wing and 8 more	5 hr
Jun 27, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	Anoka, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 31 more	7 hr
Jun 27, 3:37 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Blue Earth, Brown, Carlton and 53 more	83 min
Jun 27, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	Anoka, Chisago, Isanti, Kanabec, Pine, Ramsey and 1 more	3 hr
Jun 27, 6:02 PM CDT	Mesoscale Discussion	SPC	Anoka, Blue Earth, Brown, Carver, Dakota, Dodge and 25 more	118 min
Jun 26, 7:12 PM CDT	Mesoscale Discussion	SPC	Adams, Benson, Billings, Bottineau, Bowman, Burke and 21 more	2 hr
Jun 27, 3:08 PM CDT	Mesoscale Discussion	SPC	Custer, Fall River, Lawrence, Oglala Lakota	2 hr
Jun 27, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Bennett, Butte, Custer, Fall River, Jackson, Lawrence and 3 more	7 hr

Nearby

Mesoscale Discussions in North Dakota, 2005 Mesoscale Discussions in Minnesota, 2005 Mesoscale Discussions in South Dakota, 2005 Every mesoscale discussion in 2005

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; radar from the NEXRAD Level II archive.