Alert archive / Indiana / Mesoscale Discussions in 2015
Mesoscale Discussion 1992
The Storm Prediction Center issued this mesoscale discussion at Nov 21, 2015, 11:26 AM EST for 19 counties in Indiana. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 21, 2015, 11:26 AM EST (16:26 UTC)
- Expired
- Nov 21, 2015, 1:30 PM EST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
Counties Allen County, IN, Benton County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Fountain County, IN, Grant County, IN, Howard County, IN, Huntington County, IN, Miami County, IN, Montgomery County, IN, Parke County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN
The radar
The Indianapolis radar (KIND), 86 km from the middle of the area, began a volume at 16:29 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
Detroit, MI (KDTX), launched 12:00Z, 4.4 hours before the alert went out and 352 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
- 843 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 9:36 AM EST | Mesoscale Discussion | SPC | DeKalb, Elkhart, Fulton, Kosciusko, LaGrange, Lake and 9 more | 5 hr |
Nearby
Mesoscale Discussions in Indiana, 2015Every mesoscale discussion in 2015
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.