Alert archive / Minnesota / Mesoscale Discussions in 2005

Mesoscale Discussion 1437

June 23, 200516 counties in Minnesota; Bayfield County, Douglas County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 23, 2005, 8:17 PM CDT for 16 counties in Minnesota; Bayfield County, Douglas County, Wisconsin. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued: Jun 23, 2005, 8:17 PM CDT (01:17 UTC)
Expired: Jun 23, 2005, 9:15 PM CDT
In force: 58 min
Issued by: the Storm Prediction Center

Counties Aitkin County, MN, Becker County, MN, Beltrami County, MN, Carlton County, MN, Cass County, MN, Clearwater County, MN, Cook County, MN, Crow Wing County, MN, Hubbard County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Saint Louis County, MN, Wadena County, MN, Bayfield County, WI, Douglas County, WI

The radar

The Duluth radar (KDLH), 100 km from the middle of the area, began a volume at 01:21 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 nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 1.3 hours before the alert went out and 111 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: 3125 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1532 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 196 m²/s²
0-3 km storm-relative helicity: 234 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 11.8

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 23, 11:42 PM CDT	Mesoscale Discussion	SPC	Lincoln, Lyon, Murray, Nobles, Pipestone, Rock	63 min
Jun 24, 2:19 PM CDT	Mesoscale Discussion	SPC	Houston	86 min
Jun 24, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	Houston	7 hr
Jun 24, 5:22 PM CDT	Mesoscale Discussion	SPC	Houston	23 min
Jun 24, 6:58 AM CDT	Mesoscale Discussion	SPC	Chippewa, Clark, Dunn, Eau Claire, Langlade, Lincoln and 7 more	92 min
Jun 24, 8:50 AM CDT	Severe Thunderstorm Watch	SPC	Brown, Clark, Door, Florence, Forest, Jackson and 15 more	8 hr
Jun 24, 10:39 AM CDT	Mesoscale Discussion	SPC	Brown, Florence, Forest, Jackson, Langlade, Marinette and 8 more	96 min
Jun 24, 12:54 PM CDT	Mesoscale Discussion	SPC	Brown, Door, Kewaunee, Oconto, Outagamie, Portage and 2 more	66 min
Jun 24, 2:40 PM CDT	Mesoscale Discussion	SPC	Brown, Door, Kewaunee, Monroe, Oconto, Outagamie and 3 more	35 min
Jun 24, 5:50 PM CDT	Severe Thunderstorm Watch	SPC	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 10 more	5 hr

Nearby

Mesoscale Discussions in Minnesota, 2005 Mesoscale Discussions in Wisconsin, 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.