Alert archive / Wisconsin / Mesoscale Discussions in 2007

Mesoscale Discussion 1042

June 7, 200725 counties in Iowa; Houston County, Minnesota; 29 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2007, 3:38 PM CDT for 25 counties in Iowa; Houston County, Minnesota; 29 counties in Wisconsin. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
Jun 7, 2007, 3:38 PM CDT (20:38 UTC)
Expired
Jun 7, 2007, 5:15 PM CDT
In force
97 min
Issued by
the Storm Prediction Center
All 55 counties

Allamakee County, IA, Appanoose County, IA, Benton County, IA, Buchanan County, IA, Cedar County, IA, Clayton County, IA, Davis County, IA, Delaware County, IA, Dubuque County, IA, Fayette County, IA, Henry County, IA, Iowa County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Louisa County, IA, Mahaska County, IA, Monroe County, IA, Muscatine County, IA, Poweshiek County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Houston County, MN, Ashland County, WI, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Crawford County, WI, Douglas County, WI, Eau Claire County, WI, Grant County, WI, Iron County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Lincoln County, WI, Marathon County, WI, Monroe County, WI, Oneida County, WI, Price County, WI, Richland County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI, Vilas County, WI, Washburn County, WI, Wood County, WI

The radar

The La Crosse radar (KARX), 79 km from the middle of the area, began a volume at 20:40 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

Davenport, (KDVN), launched 12:00Z, 8.6 hours before the alert went out and 208 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, Davenport, at 12:00Z on 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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, Davenport, at 12:00Z on 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 372 square meters per square second.19395878Sfc1 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
44 J/kg
Mixed-layer CIN
-791 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
372 m²/s²
0-3 km storm-relative helicity
374 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 6, 10:53 PM CDTMesoscale DiscussionSPCLyon, Sioux2 hr
Jun 7, 3:05 AM CDTMesoscale DiscussionSPCCherokee, Lyon, Monona, O'Brien, Osceola, Plymouth and 2 more55 min
Jun 7, 9:11 AM CDTMesoscale DiscussionSPCAdair, Adams, Allamakee, Appanoose, Audubon, Benton and 56 more64 min
Jun 7, 11:34 AM CDTTornado Watch PDSSPCAdair, Allamakee, Appanoose, Benton, Black Hawk, Boone and 59 more10 hr
Jun 6, 8:29 PM CDTMesoscale DiscussionSPCBig Stone, Clay, Grant, Lac qui Parle, Norman, Otter Tail and 5 more61 min
Jun 6, 8:49 PM CDTTornado WatchSPCBecker, Big Stone, Chippewa, Clay, Clearwater, Douglas and 16 more7 hr
Jun 6, 11:30 PM CDTMesoscale DiscussionSPCBecker, Big Stone, Clay, Douglas, Grant, Lac qui Parle and 8 more2 hr
Jun 7, 2:02 AM CDTMesoscale DiscussionSPCAnoka, Benton, Blue Earth, Brown, Carver, Chisago and 20 more58 min
Jun 7, 3:36 AM CDTMesoscale DiscussionSPCBecker, Beltrami, Clay, Clearwater, Hubbard, Mahnomen and 8 more54 min
Jun 7, 10:48 AM CDTMesoscale DiscussionSPCBecker, Big Stone, Clay, Clearwater, Douglas, Grant and 9 more87 min
Jun 7, 11:11 AM CDTTornado WatchSPCAitkin, Becker, Beltrami, Big Stone, Cass, Clay and 20 more7 hr
Jun 7, 2:34 PM CDTMesoscale DiscussionSPCBecker, Beltrami, Cass, Clay, Clearwater, Grant and 10 more116 min
Jun 7, 4:11 PM CDTMesoscale DiscussionSPCBenton, Chippewa, Isanti, Kandiyohi, McLeod, Meeker and 9 more2 hr
Jun 7, 5:22 PM CDTMesoscale DiscussionSPCAitkin, Cass, Crow Wing, Itasca, Saint Louis53 min
Jun 7, 2:20 PM CDTMesoscale DiscussionSPCBrown, Calumet, Columbia, Dane, Dodge, Florence and 23 more115 min
Jun 7, 2:41 PM CDTTornado Watch PDSSPCBrown, Calumet, Columbia, Dane, Dodge, Door and 31 more9 hr
Jun 7, 5:59 PM CDTMesoscale DiscussionSPCBrown, Calumet, Dodge, Door, Fond du Lac, Green Lake and 16 more61 min

Nearby

Mesoscale Discussions in Wisconsin, 2007Mesoscale Discussions in Iowa, 2007Mesoscale Discussions in Minnesota, 2007Every mesoscale discussion in 2007

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.