Alert archive / Indiana / Mesoscale Discussions in 2022
Mesoscale Discussion 486
The Storm Prediction Center issued this mesoscale discussion at Apr 13, 2022, 6:51 PM EDT for 26 counties in Indiana; 5 counties in Kentucky. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2022, 6:51 PM EDT (22:51 UTC)
- Expired
- Apr 13, 2022, 8:45 PM EDT
- In force
- 114 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 40%
All 31 counties
Bartholomew County, IN, Brown County, IN, Clark County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Dubois County, IN, Franklin County, IN, Greene County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Pike County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Washington County, IN, Carroll County, KY, Gallatin County, KY, Oldham County, KY, Owen County, KY, Trimble County, KY
The radar
The Louisville radar (KLVX), 80 km from the middle of the area, began a volume at 22:52 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 221 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
- 54 J/kg
- Mixed-layer CIN
- -284 J/kg
- Mixed-layer LCL
- 952 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 1:32 PM EDT | Mesoscale Discussion | SPC | Dubois, Gibson, Perry, Pike, Posey, Spencer and 2 more | 118 min |
| Apr 13, 2:48 PM EDT | Mesoscale Discussion | SPC | Benton, Jasper, Lake, Newton, Porter, Warren | 87 min |
| Apr 13, 6:01 PM EDT | Tornado Watch | SPC | Clark, Floyd, Harrison | 4 hr |
| Apr 13, 4:22 PM EDT | Mesoscale Discussion | SPC | Caldwell, Calloway, Carlisle, Crittenden, Fulton, Graves and 9 more | 53 min |
| Apr 13, 4:35 PM EDT | Tornado Watch | SPC | Ballard, Caldwell, Calloway, Carlisle, Christian, Crittenden and 13 more | 3 hr |
| Apr 13, 5:48 PM EDT | Mesoscale Discussion | SPC | Allen, Barren, Butler, Caldwell, Calloway, Carlisle and 22 more | 117 min |
Nearby
Mesoscale Discussions in Indiana, 2022Mesoscale Discussions in Kentucky, 2022Every mesoscale discussion in 2022
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.