Alert archive / Indiana / Mesoscale Discussions in 2017
Mesoscale Discussion 379
The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2017, 1:55 PM EDT for 60 counties in Indiana; 13 counties in Kentucky; 15 counties in Ohio. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 30, 2017, 1:55 PM EDT (17:55 UTC)
- Expired
- Mar 30, 2017, 4:00 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 88 counties
Bartholomew County, IN, Boone County, IN, Brown County, IN, Clark County, IN, Clay County, IN, Clinton County, IN, Crawford County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fayette County, IN, Floyd County, IN, Fountain County, IN, Franklin County, IN, Gibson County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Ohio County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Switzerland County, IN, Tipton County, IN, Union County, IN, Vanderburgh County, IN, Vermillion County, IN, Vigo County, IN, Warrick County, IN, Washington County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Trimble County, KY, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Highland County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Warren County, OH
The radar
The Indianapolis radar (KIND), 50 km from the middle of the area, began a volume at 17:57 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1598 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 542 m²/s²
- 0-3 km storm-relative helicity
- 520 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 |
|---|---|---|---|---|
| Mar 30, 1:31 PM EDT | Severe Thunderstorm Watch | SPC | Gibson, Posey | 7 hr |
| Mar 30, 3:03 PM EDT | Tornado Watch | SPC | Adams, Bartholomew, Blackford, Boone, Brown, Carroll and 42 more | 5 hr |
| Mar 30, 4:27 PM EDT | Mesoscale Discussion | SPC | Blackford, Boone, Brown, Clay, Clinton, Daviess and 36 more | 33 min |
| Mar 30, 6:40 PM EDT | Mesoscale Discussion | SPC | Clark, Crawford, Dubois, Floyd, Gibson, Harrison and 7 more | 65 min |
| Mar 30, 7:05 PM EDT | Mesoscale Discussion | SPC | Adams, Bartholomew, Blackford, Boone, Brown, Daviess and 31 more | 55 min |
| Mar 30, 12:56 PM EDT | Mesoscale Discussion | SPC | Ballard, Carlisle, Fulton, Hickman, McCracken | 64 min |
Nearby
Mesoscale Discussions in Indiana, 2017Mesoscale Discussions in Ohio, 2017Mesoscale Discussions in Kentucky, 2017Every mesoscale discussion in 2017
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.