Alert archive / Indiana / Mesoscale Discussions in 2012
Mesoscale Discussion 1300
The Storm Prediction Center issued this mesoscale discussion at Jun 28, 2012, 10:42 PM EDT for 5 counties in Indiana. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Jun 28, 2012, 10:42 PM EDT (02:42 UTC)
- Expired
- Jun 28, 2012, 11:45 PM EDT
- In force
- 63 min
- Issued by
- the Storm Prediction Center
Counties Fulton County, IN, LaPorte County, IN, Marshall County, IN, Pulaski County, IN, Starke County, IN
The radar
The Northern Indiana radar (KIWX), 80 km from the middle of the area, began a volume at 02:45 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, 2.7 hours before the alert went out and 202 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
- 2970 J/kg
- Mixed-layer CIN
- -224 J/kg
- Mixed-layer LCL
- 2175 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 28, 8:25 PM EDT | Severe Thunderstorm Watch | SPC | Cass, Fulton, Jasper, LaPorte, Porter, Pulaski and 2 more | 2 hr |
| Jun 28, 9:26 PM EDT | Mesoscale Discussion | SPC | Fulton, Jasper, Lake, Marshall, Porter, Pulaski and 1 more | 64 min |
| Jun 29, 10:22 AM EDT | Mesoscale Discussion | SPC | Adams, Benton, Blackford, Boone, Carroll, Cass and 38 more | 2 hr |
| Jun 29, 11:49 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 48 more | 6 hr |
| Jun 29, 2:01 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Carroll and 48 more | 119 min |
| Jun 29, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more | 5 hr |
| Jun 29, 3:07 PM EDT | Mesoscale Discussion | SPC | Adams, Delaware, Fayette, Franklin, Henry, Jay and 4 more | 53 min |
| Jun 29, 4:22 PM EDT | Mesoscale Discussion | SPC | Bartholomew, Dearborn, Decatur, Fayette, Franklin, Hancock and 11 more | 83 min |
Nearby
Mesoscale Discussions in Indiana, 2012Every mesoscale discussion in 2012
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.