Alert archive / Iowa / Mesoscale Discussions in 2005

Mesoscale Discussion 1167

June 4, 20055 states

The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2005, 7:55 PM CDT for 5 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 4, 2005, 7:55 PM CDT (00:55 UTC)
Expired
Jun 4, 2005, 10:00 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 78 counties

Allamakee County, IA, Benton County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Cedar County, IA, Chickasaw County, IA, Clayton County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Fayette County, IA, Henry County, IA, Howard County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Winneshiek County, IA, Adams County, IL, Brown County, IL, Bureau County, IL, Carroll County, IL, Cass County, IL, Fulton County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, Lee County, IL, Mason County, IL, McDonough County, IL, Menard County, IL, Mercer County, IL, Morgan County, IL, Ogle County, IL, Peoria County, IL, Pike County, IL, Rock Island County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Fillmore County, MN, Houston County, MN, Audrain County, MO, Clark County, MO, Knox County, MO, Lewis County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Scotland County, MO, Shelby County, MO, Crawford County, WI, Grant County, WI, Iowa County, WI, La Crosse County, WI, Lafayette County, WI, Monroe County, WI, Richland County, WI, Vernon County, WI

The radar

The Quad Cities radar (KDVN), 71 km from the middle of the area, began a volume at 00:56 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

Davenport, (KDVN), launched 00:00Z, 0.9 hours before the alert went out and 76 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, 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, 2:52 AM CDTMesoscale DiscussionSPCBoone, Christian, Cook, DeKalb, DeWitt, DuPage and 20 more83 min
Jun 5, 1:45 PM CDTSevere Thunderstorm WatchSPCClark, Clay, Coles, Crawford, Cumberland, Douglas and 6 more7 hr
Jun 4, 7:00 PM CDTTornado WatchSPCAdair, Audubon, Black Hawk, Boone, Bremer, Buena Vista and 43 more7 hr
Jun 4, 9:18 PM CDTMesoscale DiscussionSPCAppanoose, Decatur, Fremont, Lucas, Monroe, Page and 3 more87 min
Jun 4, 10:23 PM CDTMesoscale DiscussionSPCAppanoose, Decatur, Monroe, Page, Ringgold, Taylor and 1 more52 min
Jun 4, 11:45 PM CDTSevere Thunderstorm WatchSPCBuena Vista, Cherokee, Clay, Crawford, Dickinson, Harrison and 10 more5 hr
Jun 5, 12:19 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 14 more86 min
Jun 5, 12:50 PM CDTSevere Thunderstorm WatchSPCAllamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 4 more6 hr
Jun 5, 3:21 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Butler, Chickasaw, Clayton, Fayette and 4 more84 min
Jun 5, 6:07 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Chickasaw, Clayton, Fayette, Howard and 2 more53 min
Jun 4, 7:09 PM CDTMesoscale DiscussionSPCBarry, Barton, Cedar, Dade, Jasper, Lawrence and 3 more96 min
Jun 4, 8:35 PM CDTTornado WatchSPCBarton, Jasper, McDonald, Newton, St. Clair, Vernon2 hr
Jun 4, 10:45 PM CDTTornado WatchSPCBarry, Barton, Bates, Benton, Boone, Camden and 28 more7 hr
Jun 4, 11:57 PM CDTMesoscale DiscussionSPCChristian, Crawford, Dent, Douglas, Howell, Laclede and 9 more63 min
Jun 5, 12:35 AM CDTSevere Thunderstorm WatchSPCChristian, Douglas, Howell, Ozark, Stone, Taney and 3 more5 hr
Jun 4, 7:15 PM CDTMesoscale DiscussionSPCAshland, Barron, Bayfield, Buffalo, Calumet, Chippewa and 29 more90 min
Jun 5, 3:40 PM CDTTornado WatchSPCBrown, Calumet, Florence, Forest, Iron, Kewaunee and 16 more5 hr

Nearby

Mesoscale Discussions in Iowa, 2005Mesoscale Discussions in Illinois, 2005Mesoscale Discussions in Missouri, 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.