Alert archive / Indiana / Mesoscale Discussions in 2020
Mesoscale Discussion 258
The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2020, 7:44 PM EDT for 30 counties in Indiana; 26 counties in Ohio. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2020, 7:44 PM EDT (23:44 UTC)
- Expired
- Mar 28, 2020, 8:45 PM EDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
All 56 counties
Bartholomew County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Franklin County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Jay County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Union County, IN, Wayne County, IN, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hocking County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Perry County, OH, Pickaway County, OH, Preble County, OH, Ross County, OH, Shelby County, OH, Union County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 57 km from the middle of the area, began a volume at 23:44 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, 11.7 hours before the alert went out and 57 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
- 195 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 27, 9:02 PM EDT | Mesoscale Discussion | SPC | Gibson, Knox, Pike, Posey, Vanderburgh, Warrick | 88 min |
| Mar 28, 11:18 AM EDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Cass, Clinton, Fountain and 12 more | 2 hr |
| Mar 28, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bartholomew, Blackford, Boone, Brown, Carroll and 51 more | 6 hr |
| Mar 28, 4:03 PM EDT | Mesoscale Discussion | SPC | Blackford, Boone, Clinton, Delaware, Fayette, Grant and 14 more | 87 min |
| Mar 28, 7:34 PM EDT | Tornado Watch | SPC | Gibson, Pike, Posey, Spencer, Vanderburgh, Warrick | 7 hr |
| Mar 28, 10:32 AM EDT | Mesoscale Discussion | SPC | Ashland, Carroll, Columbiana, Crawford, Cuyahoga, Erie and 19 more | 88 min |
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.