Alert archive / Wisconsin / Mesoscale Discussions in 2007

Mesoscale Discussion 1443

July 10, 20074 counties in Michigan; 8 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2007, 3:29 PM EDT for 4 counties in Michigan; 8 counties in Wisconsin. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: Jul 10, 2007, 3:29 PM EDT (19:29 UTC)
Expired: Jul 10, 2007, 5:00 PM EDT
In force: 91 min
Issued by: the Storm Prediction Center

Counties Alger County, MI, Delta County, MI, Menominee County, MI, Schoolcraft County, MI, Brown County, WI, Calumet County, WI, Door County, WI, Kewaunee County, WI, Manitowoc County, WI, Oconto County, WI, Outagamie County, WI, Winnebago County, WI

The radar

The Marquette radar (KMQT), 106 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 149 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 127 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
Jul 10, 11:29 AM EDT	Mesoscale Discussion	SPC	Alger, Baraga, Delta, Dickinson, Gogebic, Iron and 3 more	91 min
Jul 10, 12:55 PM EDT	Tornado Watch	SPC	Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more	5 hr
Jul 10, 1:55 PM EDT	Mesoscale Discussion	SPC	Antrim, Charlevoix, Cheboygan, Clare, Crawford, Emmet and 20 more	95 min
Jul 10, 3:54 PM EDT	Severe Thunderstorm Watch	SPC	Alcona, Allegan, Alpena, Antrim, Arenac, Bay and 45 more	7 hr
Jul 10, 2:14 PM EDT	Mesoscale Discussion	SPC	Green, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine and 4 more	61 min
Jul 10, 2:43 PM EDT	Severe Thunderstorm Watch	SPC	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	5 hr

Nearby

Mesoscale Discussions in Wisconsin, 2007 Mesoscale Discussions in Michigan, 2007 Every mesoscale discussion in 2007

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.