Alert archive / Minnesota / Mesoscale Discussions in 2006

Mesoscale Discussion 1024

May 29, 200625 counties in Iowa; 38 counties in Minnesota; 16 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at May 29, 2006, 6:03 PM CDT for 25 counties in Iowa; 38 counties in Minnesota; 16 counties in Wisconsin. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
May 29, 2006, 6:03 PM CDT (23:03 UTC)
Expired
May 29, 2006, 7:30 PM CDT
In force
87 min
Issued by
the Storm Prediction Center
All 79 counties

Allamakee County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Calhoun County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Howard County, IA, Humboldt County, IA, Kossuth County, IA, Mitchell County, IA, Pocahontas County, IA, Webster County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Wright County, IA, Aitkin County, MN, Anoka County, MN, Benton County, MN, Blue Earth County, MN, Carlton County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Houston County, MN, Isanti County, MN, Itasca County, MN, Kanabec County, MN, Koochiching County, MN, Lake County, MN, Le Sueur County, MN, Mille Lacs County, MN, Mower County, MN, Nicollet County, MN, Olmsted County, MN, Pine County, MN, Ramsey County, MN, Rice County, MN, Saint Louis County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Washington County, MN, Winona County, MN, Wright County, MN, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Trempealeau County, WI, Washburn County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.1 hours before the alert went out and 83 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, Minneapolis, MN at 12:00Z on 2006-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2214 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, Minneapolis, MN at 12:00Z on 2006-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 224 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
2214 J/kg
Mixed-layer CIN
-246 J/kg
Mixed-layer LCL
1113 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
224 m²/s²
0-3 km storm-relative helicity
189 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
May 29, 10:37 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Boone, Calhoun and 35 more83 min
May 29, 3:02 PM CDTMesoscale DiscussionSPCKossuth, Winnebago118 min
May 29, 3:14 PM CDTSevere Thunderstorm WatchSPCBlack Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Chickasaw and 19 more6 hr
May 28, 10:52 PM CDTSevere Thunderstorm WatchSPCClay, Wilkin6 hr
May 29, 1:57 AM CDTMesoscale DiscussionSPCBig Stone, Clay, Traverse, Wilkin2 hr
May 29, 3:28 AM CDTMesoscale DiscussionSPCBecker, Big Stone, Clay, Grant, Otter Tail, Traverse and 1 more92 min
May 29, 11:22 AM CDTMesoscale DiscussionSPCBecker, Beltrami, Benton, Cass, Clearwater, Crow Wing and 18 more113 min
May 29, 1:00 PM CDTSevere Thunderstorm WatchSPCAitkin, Benton, Carlton, Cass, Crow Wing, Itasca and 9 more7 hr

Nearby

Mesoscale Discussions in Minnesota, 2006Mesoscale Discussions in Iowa, 2006Mesoscale Discussions in Wisconsin, 2006Every mesoscale discussion in 2006

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.