Alert archive / Wisconsin / Mesoscale Discussions in 2004

Mesoscale Discussion 2356

October 23, 2004Carlton County, Chisago County, Pine County, Minnesota; 45 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Oct 23, 2004, 9:10 AM CDT for Carlton County, Chisago County, Pine County, Minnesota; 45 counties in Wisconsin. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Oct 23, 2004, 9:10 AM CDT (14:10 UTC)
Expired: Oct 23, 2004, 10:45 AM CDT
In force: 95 min
Issued by: the Storm Prediction Center

All 48 counties

Carlton County, MN, Chisago County, MN, Pine County, MN, Adams County, WI, Ashland County, WI, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Columbia County, WI, Dane County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Green Lake County, WI, Iron County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marquette County, WI, Monroe County, WI, Oneida County, WI, Outagamie County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Portage County, WI, Price County, WI, Richland County, WI, Rusk County, WI, Saint Croix County, WI, Sauk County, WI, Sawyer County, WI, Shawano County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Vilas County, WI, Washburn County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 2.2 hours before the alert went out and 240 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: 633 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 319 m²/s²
0-3 km storm-relative helicity: 299 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
Oct 22, 7:44 PM CDT	Mesoscale Discussion	SPC	Big Stone, Lac qui Parle, Lincoln, Lyon, Murray, Nobles and 5 more	61 min

Nearby

Mesoscale Discussions in Wisconsin, 2004 Mesoscale Discussions in Minnesota, 2004 Every mesoscale discussion in 2004

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.