Alert archive / Indiana / Mesoscale Discussions in 2004

Mesoscale Discussion 1185

June 11, 200437 counties in Indiana; 5 counties in Kentucky; 17 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2004, 1:58 AM EST for 37 counties in Indiana; 5 counties in Kentucky; 17 counties in Ohio. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2004, 1:58 AM EST (06:58 UTC)
Expired
Jun 11, 2004, 3:30 AM EST
In force
92 min
Issued by
the Storm Prediction Center
All 59 counties

Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Owen County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Wayne County, IN, Wells County, IN, Boone County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Kenton County, KY, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Warren County, OH

The radar

The Indianapolis radar (KIND), 107 km from the middle of the area, began a volume at 07:00 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

Lincoln, IL (KILX), launched 00:00Z, 7.0 hours before the alert went out and 304 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, Lincoln, IL at 00:00Z on 2004-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1700 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, Lincoln, IL at 00:00Z on 2004-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
1700 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
1.2
Supercell composite
10.7

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 10, 7:58 PM ESTMesoscale DiscussionSPCBartholomew, Benton, Boone, Brown, Carroll, Cass and 22 more92 min
Jun 10, 9:50 PM ESTTornado WatchSPCAdams, Allen, Benton, Blackford, Boone, Carroll and 35 more5 hr
Jun 11, 12:07 AM ESTMesoscale DiscussionSPCAdams, Allen, Benton, Blackford, Boone, Carroll and 31 more83 min
Jun 11, 10:52 AM ESTMesoscale DiscussionSPCBartholomew, Brown, Dearborn, Decatur, Fayette, Franklin and 16 more113 min
Jun 11, 11:50 AM ESTSevere Thunderstorm WatchSPCBath, Boone, Bourbon, Boyd, Bracken, Campbell and 35 more5 hr
Jun 11, 3:30 PM ESTSevere Thunderstorm WatchSPCBreathitt, Elliott, Floyd, Harlan, Johnson, Knott and 10 more6 hr
Jun 11, 6:02 PM ESTMesoscale DiscussionSPCFloyd, Harlan, Knott, Letcher, Magoffin, Perry and 1 more118 min

Nearby

Mesoscale Discussions in Indiana, 2004Mesoscale Discussions in Ohio, 2004Mesoscale Discussions in Kentucky, 2004Every mesoscale discussion in 2004

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.