Alert archive / Wisconsin / Mesoscale Discussions in 2005

Mesoscale Discussion 1156

June 4, 2005Allamakee County, Iowa; 9 counties in Minnesota; 43 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2005, 2:23 PM CDT for Allamakee County, Iowa; 9 counties in Minnesota; 43 counties in Wisconsin. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 4, 2005, 2:23 PM CDT (19:23 UTC)
Expired
Jun 4, 2005, 4:30 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 53 counties

Allamakee County, IA, Dakota County, MN, Dodge County, MN, Fillmore County, MN, Goodhue County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Brown County, WI, Buffalo County, WI, Calumet County, WI, Chippewa County, WI, Clark County, WI, Columbia County, WI, Crawford County, WI, Dunn County, WI, Eau Claire County, WI, Fond du Lac County, WI, Forest County, WI, Green Lake County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Marquette County, WI, Menominee County, WI, Monroe County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Pepin County, WI, Pierce County, WI, Portage County, WI, Price County, WI, Richland County, WI, Rusk County, WI, Saint Croix County, WI, Sauk County, WI, Shawano County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 96 km from the middle of the area, began a volume at 19:24 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.4 hours before the alert went out and 186 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-pSkew-T log-p diagram, Green Bay/Straub, WI at 12:00Z on 2005-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2005-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
8 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
94 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.

IssuedProductOfficeCountiesLasted
Jun 4, 10:37 AM CDTMesoscale DiscussionSPCClinton113 min
Jun 4, 2:05 PM CDTTornado WatchSPCAdams, Appanoose, Clarke, Decatur, Fremont, Lucas and 6 more9 hr
Jun 4, 4:03 PM CDTMesoscale DiscussionSPCLee87 min
Jun 4, 5:29 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Decatur, Fremont, Lucas, Monroe and 5 more91 min
Jun 4, 5:45 PM CDTMesoscale DiscussionSPCAdair, Audubon, Boone, Buena Vista, Calhoun, Carroll and 41 more2 hr
Jun 4, 11:40 AM CDTSevere Thunderstorm WatchSPCColumbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 10 more6 hr
Jun 4, 2:48 PM CDTMesoscale DiscussionSPCColumbia, Dane, Dodge, Jefferson, Kenosha, Milwaukee and 7 more57 min
Jun 4, 3:15 PM CDTTornado WatchSPCAdams, Barron, Brown, Buffalo, Calumet, Chippewa and 31 more7 hr
Jun 4, 4:59 PM CDTMesoscale DiscussionSPCAshland, Bayfield, Florence, Forest, Iron, Langlade and 4 more61 min
Jun 4, 5:15 PM CDTTornado WatchSPCAshland, Bayfield, Florence, Forest, Iron, Oneida and 1 more7 hr

Nearby

Mesoscale Discussions in Wisconsin, 2005Mesoscale Discussions in Minnesota, 2005Mesoscale Discussions in Iowa, 2005Every 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.