Alert archive / Indiana / Mesoscale Discussions in 2015
Mesoscale Discussion 926
The Storm Prediction Center issued this mesoscale discussion at Jun 7, 2015, 4:50 PM EDT for 42 counties in Indiana. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- Jun 7, 2015, 4:50 PM EDT (20:50 UTC)
- Expired
- Jun 7, 2015, 5:45 PM EDT
- In force
- 55 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 95%
All 42 counties
Bartholomew County, IN, Benton County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Delaware County, IN, Fountain County, IN, Fulton 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, LaPorte County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Porter County, IN, Pulaski County, IN, Putnam County, IN, Rush County, IN, Shelby County, IN, Starke County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, White County, IN
The radar
The Indianapolis radar (KIND), 35 km from the middle of the area, began a volume at 20:50 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 12:00Z, 8.8 hours before the alert went out and 193 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
- 124 J/kg
- Mixed-layer CIN
- -173 J/kg
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
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 7, 3:36 PM EDT | Severe Thunderstorm Watch | SPC | Benton, Jasper, Lake, Newton, Porter | 5 hr |
| Jun 7, 4:56 PM EDT | Severe Thunderstorm Watch | SPC | Cass, Fulton, Kosciusko, LaPorte, Marshall, Miami and 4 more | 4 hr |
| Jun 7, 6:34 PM EDT | Mesoscale Discussion | SPC | Allen, Benton, Carroll, Cass, Elkhart, Fulton and 17 more | 86 min |
| Jun 7, 7:06 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Blackford, Boone, Carroll, Cass and 39 more | 6 hr |
Nearby
Mesoscale Discussions in Indiana, 2015Every mesoscale discussion in 2015
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.