Alert archive / Wisconsin / Mesoscale Discussions in 2026

Mesoscale Discussion 1449

July 2, 202614 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jul 2, 2026, 5:10 PM CDT for 14 counties in Wisconsin. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 2, 2026, 5:10 PM CDT (22:10 UTC)
Expired: Jul 2, 2026, 7:15 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 440

Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Green County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 38 km from the middle of the area, began a volume at 22:12 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

Lincoln, IL (KILX), launched 12:00Z, 10.2 hours before the alert went out and 309 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: 2066 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 10:28 PM CDT	Mesoscale Discussion	SPC	Adams, Columbia, Crawford, Green Lake, Juneau, La Crosse and 6 more	92 min
Jul 1, 11:27 PM CDT	Severe Thunderstorm Watch	SPC	Calumet, Columbia, Dodge, Fond du Lac, Green Lake, Manitowoc and 7 more	3 hr
Jul 2, 11:05 AM CDT	Mesoscale Discussion	SPC	Crawford, Grant, Iowa, Richland	85 min
Jul 2, 12:45 PM CDT	Severe Thunderstorm Watch	SPC	Crawford, Grant, Richland	8 hr
Jul 2, 1:10 PM CDT	Mesoscale Discussion	SPC	Crawford, Grant, Iowa, Lafayette, Richland	95 min
Jul 2, 2:30 PM CDT	Mesoscale Discussion	SPC	Columbia, Dane, Dodge, Green, Iowa, Jefferson and 11 more	90 min
Jul 2, 3:19 PM CDT	Severe Thunderstorm Watch	SPC	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	7 hr
Jul 2, 3:53 PM CDT	Mesoscale Discussion	SPC	Crawford, Grant	97 min
Jul 2, 5:42 PM CDT	Mesoscale Discussion	SPC	Lafayette	2 hr

Nearby

Mesoscale Discussions in Wisconsin, 2026 Every mesoscale discussion in 2026

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.