Alert archive / Indiana / Mesoscale Discussions in 2020
Mesoscale Discussion 263
The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2020, 10:23 PM EDT for 26 counties in Indiana; 14 counties in Ohio. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2020, 10:23 PM EDT (02:23 UTC)
- Expired
- Mar 29, 2020, 12:00 AM EDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
All 40 counties
Bartholomew County, IN, Blackford County, IN, Brown County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Tipton County, IN, Union County, IN, Wayne County, IN, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Greene County, OH, Hamilton County, OH, Logan County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Warren County, OH
The radar
The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 02:25 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 00:00Z, 2.4 hours before the alert went out and 120 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
- 557 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.0
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 |
|---|---|---|---|---|
| Mar 28, 8:38 PM EDT | Mesoscale Discussion | SPC | Crawford, Floyd, Harrison, Perry, Spencer | 67 min |
| Mar 28, 9:15 PM EDT | Tornado Watch | SPC | Clark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more | 6 hr |
| Mar 28, 11:34 PM EDT | Mesoscale Discussion | SPC | Dearborn, Ohio, Switzerland | 86 min |
| Mar 29, 12:05 PM EDT | Severe Thunderstorm Watch | SPC | Ashtabula, Columbiana, Mahoning, Trumbull | 4 hr |
Nearby
Mesoscale Discussions in Indiana, 2020Mesoscale Discussions in Ohio, 2020Every mesoscale discussion in 2020
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.