Alert archive / Indiana / Mesoscale Discussions in 2004
Mesoscale Discussion 1183
The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2004, 12:07 AM EST for 37 counties in Indiana; Berrien County, Cass County, Saint Joseph County, Michigan; Darke County, Ohio. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2004, 12:07 AM EST (05:07 UTC)
- Expired
- Jun 11, 2004, 1:30 AM EST
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 41 counties
Adams County, IN, Allen County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jay County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Madison County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Noble County, IN, Pulaski County, IN, Randolph County, IN, Saint Joseph County, IN, Starke County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN, Whitley County, IN, Berrien County, MI, Cass County, MI, Saint Joseph County, MI, Darke County, OH
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 5.1 hours before the alert went out and 207 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 7:58 PM EST | Mesoscale Discussion | SPC | Bartholomew, Benton, Boone, Brown, Carroll, Cass and 22 more | 92 min |
| Jun 10, 9:50 PM EST | Tornado Watch | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 35 more | 5 hr |
| Jun 11, 1:58 AM EST | Mesoscale Discussion | SPC | Adams, Bartholomew, Blackford, Boone, Brown, Clay and 31 more | 92 min |
| Jun 11, 10:52 AM EST | Mesoscale Discussion | SPC | Bartholomew, Brown, Dearborn, Decatur, Fayette, Franklin and 16 more | 113 min |
| Jun 11, 11:50 AM EST | Severe Thunderstorm Watch | SPC | Adams, Brown, Clermont, Gallia, Hamilton, Highland and 5 more | 5 hr |
Nearby
Mesoscale Discussions in Indiana, 2004Mesoscale Discussions in Michigan, 2004Mesoscale Discussions in Ohio, 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.