Alert archive / Indiana / Mesoscale Discussions in 2014
Mesoscale Discussion 1076
The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2014, 9:29 PM CDT for 5 counties in Illinois; 27 counties in Indiana. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2014, 9:29 PM CDT (02:29 UTC)
- Expired
- Jun 18, 2014, 10:30 PM CDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 32 counties
Ford County, IL, Iroquois County, IL, Kankakee County, IL, Livingston County, IL, Vermilion County, IL, Benton County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Delaware County, IN, Fountain County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jasper County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Montgomery County, IN, Morgan County, IN, Newton County, IN, Putnam County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN, Warren County, IN, White County, IN
The radar
The Indianapolis radar (KIND), 87 km from the middle of the area, began a volume at 02:29 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
Lincoln, IL (KILX), launched 00:00Z, 2.5 hours before the alert went out and 147 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
- 3005 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1323 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.9
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 19, 2:40 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 1 more | 65 min |
| Jun 18, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bartholomew, Blackford, Boone, Brown, Clark and 41 more | 6 hr |
| Jun 19, 12:52 AM CDT | Mesoscale Discussion | SPC | Dearborn, Decatur, Fayette, Franklin, Ohio, Ripley and 3 more | 83 min |
Nearby
Mesoscale Discussions in Indiana, 2014Mesoscale Discussions in Illinois, 2014Every mesoscale discussion in 2014
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.