Alert archive / Wisconsin / Mesoscale Discussions in 2016

Mesoscale Discussion 1059

June 25, 20166 counties in Michigan; 18 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2016, 11:43 PM EDT for 6 counties in Michigan; 18 counties in Wisconsin. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Jun 25, 2016, 11:43 PM EDT (03:43 UTC)
Expired: Jun 26, 2016, 1:15 AM EDT
In force: 92 min
Issued by: the Storm Prediction Center

All 24 counties

Baraga County, MI, Dickinson County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Ontonagon County, MI, Chippewa County, WI, Clark County, WI, Eau Claire County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oneida County, WI, Pepin County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Vilas County, WI

The radar

The Marquette radar (KMQT), 171 km from the middle of the area, began a volume at 03:45 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 00:00Z, 3.7 hours before the alert went out and 192 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: 497 J/kg
Mixed-layer CIN: -175 J/kg
Mixed-layer LCL: 1459 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 144 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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
Jun 25, 9:27 PM EDT	Mesoscale Discussion	SPC	Baraga, Dickinson, Gogebic, Houghton, Iron, Marquette and 1 more	93 min
Jun 26, 3:39 PM EDT	Mesoscale Discussion	SPC	Branch, Calhoun, Hillsdale, Jackson, Lenawee, Monroe and 2 more	96 min

Nearby

Mesoscale Discussions in Wisconsin, 2016 Mesoscale Discussions in Michigan, 2016 Every mesoscale discussion in 2016

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.