Alert archive / Indiana / Mesoscale Discussions in 2005

Mesoscale Discussion 2237

September 19, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Sep 19, 2005, 5:54 PM CDT for 4 states. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Sep 19, 2005, 5:54 PM CDT (22:54 UTC)
Expired: Sep 19, 2005, 7:30 PM CDT
In force: 96 min
Issued by: the Storm Prediction Center

All 100 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Jasper County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Mason County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL, Shelby County, IL, Vermilion County, IL, Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jay County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Sullivan County, IN, Switzerland County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Washington County, IN, Wayne County, IN, Wells County, IN, Boone County, KY, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH

The radar

The Indianapolis radar (KIND), 53 km from the middle of the area, began a volume at 22:53 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 12:00Z, 10.9 hours before the alert went out and 160 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 357 J/kg
Mixed-layer CIN: -217 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 433 m²/s²
0-3 km storm-relative helicity: 545 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 11.5

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.

Issued	Product	Office	Counties	Lasted
Sep 18, 8:13 PM CDT	Mesoscale Discussion	SPC	Adams, Hancock, Henderson, McDonough, Mercer, Schuyler and 1 more	62 min
Sep 19, 1:34 AM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, Cass, Christian, Coles, DeWitt and 30 more	86 min
Sep 19, 11:49 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Fulton, Hancock, Henderson and 13 more	86 min
Sep 19, 1:00 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Cass, Fulton, Hancock, Henderson and 11 more	5 hr
Sep 19, 3:02 PM CDT	Mesoscale Discussion	SPC	Champaign, DeWitt, Ford, Grundy, Iroquois, Kankakee and 6 more	88 min
Sep 19, 3:25 PM CDT	Severe Thunderstorm Watch	SPC	Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 9 more	6 hr
Sep 19, 3:48 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Cass, Fulton, Hancock and 14 more	87 min
Sep 19, 5:20 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Christian, Clinton, Effingham, Fayette and 11 more	55 min
Sep 19, 5:50 PM CDT	Severe Thunderstorm Watch	SPC	Calhoun, Christian, Greene, Jersey, Logan, Macoupin and 7 more	5 hr
Sep 19, 11:28 AM CDT	Mesoscale Discussion	SPC	Adams, Allen, Blackford, DeKalb, Elkhart, Fulton and 14 more	92 min

Nearby

Mesoscale Discussions in Indiana, 2005 Mesoscale Discussions in Illinois, 2005 Mesoscale Discussions in Ohio, 2005 Every 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.