Alert archive / Indiana / Mesoscale Discussions in 2016
Mesoscale Discussion 1671
The Storm Prediction Center issued this mesoscale discussion at Sep 9, 2016, 9:30 PM EDT for 46 counties in Indiana. It was in force for 60 min.
The area
The outline as issued.
The facts
- Issued
- Sep 9, 2016, 9:30 PM EDT (01:30 UTC)
- Expired
- Sep 9, 2016, 10:30 PM EDT
- In force
- 60 min
- Issued by
- the Storm Prediction Center
All 46 counties
Allen County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Johnson County, IN, Knox County, IN, Kosciusko County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Noble County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, Whitley County, IN
The radar
The Indianapolis radar (KIND), 40 km from the middle of the area, began a volume at 01:34 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, 1.5 hours before the alert went out and 164 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
- 237 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 95 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 |
|---|---|---|---|---|
| Sep 9, 11:24 PM EDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Delaware, Fayette, Grant and 10 more | 96 min |
| Sep 10, 1:16 PM EDT | Mesoscale Discussion | SPC | Clark, Crawford, Dearborn, Floyd, Franklin, Harrison and 10 more | 2 hr |
| Sep 10, 2:24 PM EDT | Severe Thunderstorm Watch | SPC | Clark, Dearborn, Floyd, Franklin, Harrison, Jefferson and 5 more | 5 hr |
Nearby
Mesoscale Discussions in Indiana, 2016Every mesoscale discussion in 2016
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.