Alert archive / Illinois / Mesoscale Discussions in 2005

Mesoscale Discussion 1174

June 5, 200526 counties in Illinois; 20 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2005, 2:52 AM CDT for 26 counties in Illinois; 20 counties in Wisconsin. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
Jun 5, 2005, 2:52 AM CDT (07:52 UTC)
Expired
Jun 5, 2005, 4:15 AM CDT
In force
83 min
Issued by
the Storm Prediction Center
All 46 counties

Boone County, IL, Christian County, IL, Cook County, IL, DeKalb County, IL, DeWitt County, IL, DuPage County, IL, Grundy County, IL, Kane County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Marshall County, IL, Mason County, IL, McHenry County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Putnam County, IL, Sangamon County, IL, Tazewell County, IL, Will County, IL, Woodford County, IL, Brown County, WI, Calumet County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI, Jefferson County, WI, Kenosha County, WI, Milwaukee County, WI, Outagamie County, WI, Ozaukee County, WI, Portage County, WI, Racine County, WI, Shawano County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI

The radar

The Milwaukee radar (KMKX), 54 km from the middle of the area, began a volume at 07:52 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 00:00Z, 7.9 hours before the alert went out and 165 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 00:00Z on 2005-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2060 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2005-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
2060 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1369 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.8

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, 7:55 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Carroll, Cass, Fulton and 22 more2 hr
Jun 4, 8:15 PM CDTTornado WatchSPCAdams, Brown, Bureau, Calhoun, Carroll, Cass and 34 more8 hr
Jun 4, 10:00 PM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Calhoun, Carroll, Cass and 32 more90 min
Jun 4, 11:25 PM CDTTornado WatchSPCBoone, Lake, McHenry, Winnebago5 hr
Jun 5, 12:55 AM CDTMesoscale DiscussionSPCAdams, Brown, Bureau, Calhoun, Carroll, Cass and 32 more95 min
Jun 5, 1:45 PM CDTSevere Thunderstorm WatchSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 6 more7 hr
Jun 4, 7:15 PM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Buffalo, Calumet, Chippewa and 29 more90 min
Jun 5, 12:19 PM CDTMesoscale DiscussionSPCBarron, Bayfield, Buffalo, Burnett, Chippewa, Clark and 17 more86 min
Jun 5, 12:50 PM CDTSevere Thunderstorm WatchSPCAshland, Barron, Bayfield, Buffalo, Burnett, Chippewa and 28 more6 hr
Jun 5, 3:21 PM CDTMesoscale DiscussionSPCAdams, Ashland, Barron, Bayfield, Brown, Buffalo and 56 more84 min
Jun 5, 3:40 PM CDTTornado WatchSPCBrown, Calumet, Florence, Forest, Iron, Kewaunee and 16 more5 hr
Jun 5, 6:07 PM CDTMesoscale DiscussionSPCBarron, Bayfield, Buffalo, Burnett, Chippewa, Clark and 18 more53 min

Nearby

Mesoscale Discussions in Illinois, 2005Mesoscale Discussions in Wisconsin, 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.