Alert archive / Ohio / Mesoscale Discussions in 2011
Mesoscale Discussion 2315
The Storm Prediction Center issued this mesoscale discussion at Nov 14, 2011, 2:57 PM EST for 28 counties in Ohio. It was in force for 63 min.
The area
The outline as issued.
The facts
- Issued
- Nov 14, 2011, 2:57 PM EST (19:57 UTC)
- Expired
- Nov 14, 2011, 4:00 PM EST
- In force
- 63 min
- Issued by
- the Storm Prediction Center
All 28 counties
Ashland County, OH, Carroll County, OH, Champaign County, OH, Coshocton County, OH, Crawford County, OH, Delaware County, OH, Franklin County, OH, Hancock County, OH, Hardin County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Portage County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Summit County, OH, Tuscarawas County, OH, Union County, OH, Wayne County, OH, Wyandot County, OH
The radar
The Cleveland radar (KCLE), 90 km from the middle of the area, began a volume at 19:57 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, 8.0 hours before the alert went out and 185 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
- 839 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 493 m²/s²
- 0-3 km storm-relative helicity
- 535 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 14, 12:24 PM EST | Mesoscale Discussion | SPC | Allen, Auglaize, Darke, Defiance, Hancock, Hardin and 8 more | 96 min |
| Nov 14, 12:41 PM EST | Tornado Watch | SPC | Allen, Auglaize, Butler, Champaign, Clark, Darke and 20 more | 7 hr |
| Nov 14, 3:29 PM EST | Tornado Watch | SPC | Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 26 more | 6 hr |
| Nov 14, 4:38 PM EST | Mesoscale Discussion | SPC | Allen, Ashland, Ashtabula, Auglaize, Carroll, Champaign and 39 more | 2 hr |
| Nov 14, 6:32 PM EST | Mesoscale Discussion | SPC | Adams, Allen, Auglaize, Brown, Butler, Champaign and 33 more | 88 min |
Nearby
Mesoscale Discussions in Ohio, 2011Every mesoscale discussion in 2011
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.