Alert archive / Wisconsin / Mesoscale Discussions in 2005

Mesoscale Discussion 1440

June 24, 2005Delta County, Dickinson County, Menominee County, Michigan; 14 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2005, 11:39 AM EDT for Delta County, Dickinson County, Menominee County, Michigan; 14 counties in Wisconsin. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jun 24, 2005, 11:39 AM EDT (15:39 UTC)
Expired: Jun 24, 2005, 1:15 PM EDT
In force: 96 min
Issued by: the Storm Prediction Center

Counties Delta County, MI, Dickinson County, MI, Menominee County, MI, Brown County, WI, Florence County, WI, Forest County, WI, Jackson County, WI, Langlade County, WI, Marinette County, WI, Menominee County, WI, Monroe County, WI, Oconto County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Waupaca County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 103 km from the middle of the area, began a volume at 15:39 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 3.7 hours before the alert went out and 105 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: 328 J/kg
Mixed-layer CIN: -337 J/kg
Mixed-layer LCL: 1330 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 24, 9:50 AM EDT	Severe Thunderstorm Watch	SPC	Antrim, Charlevoix, Cheboygan, Chippewa, Delta, Dickinson and 7 more	8 hr
Jun 24, 1:54 PM EDT	Mesoscale Discussion	SPC	Antrim, Benzie, Charlevoix, Cheboygan, Chippewa, Delta and 9 more	66 min
Jun 24, 3:40 PM EDT	Mesoscale Discussion	SPC	Antrim, Benzie, Charlevoix, Cheboygan, Chippewa, Delta and 8 more	35 min
Jun 23, 9:17 PM EDT	Mesoscale Discussion	SPC	Bayfield, Douglas	58 min
Jun 24, 7:58 AM EDT	Mesoscale Discussion	SPC	Chippewa, Clark, Dunn, Eau Claire, Langlade, Lincoln and 7 more	92 min
Jun 24, 3:19 PM EDT	Mesoscale Discussion	SPC	Crawford, Dane, Grant, Green, Iowa, Lafayette and 3 more	86 min
Jun 24, 5:00 PM EDT	Severe Thunderstorm Watch	SPC	Crawford, Grant, Iowa, Juneau, Lafayette, Monroe and 3 more	7 hr
Jun 24, 6:22 PM EDT	Mesoscale Discussion	SPC	Adams, Brown, Calumet, Columbia, Crawford, Dane and 26 more	23 min
Jun 24, 6:50 PM EDT	Severe Thunderstorm Watch	SPC	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 10 more	5 hr

Nearby

Mesoscale Discussions in Wisconsin, 2005 Mesoscale Discussions in Michigan, 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.