Alert archive / Ohio / Mesoscale Discussions in 2017
Mesoscale Discussion 1753
The Storm Prediction Center issued this mesoscale discussion at Nov 5, 2017, 11:29 AM EST for 20 counties in Ohio. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Nov 5, 2017, 11:29 AM EST (16:29 UTC)
- Expired
- Nov 5, 2017, 1:00 PM EST
- In force
- 91 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 40%
Counties Ashtabula County, OH, Cuyahoga County, OH, Defiance County, OH, Erie County, OH, Fulton County, OH, Geauga County, OH, Henry County, OH, Huron County, OH, Lake County, OH, Lorain County, OH, Lucas County, OH, Medina County, OH, Ottawa County, OH, Paulding County, OH, Portage County, OH, Sandusky County, OH, Seneca County, OH, Summit County, OH, Williams County, OH, Wood County, OH
The radar
The Cleveland radar (KCLE), 108 km from the middle of the area, began a volume at 16:32 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
Detroit, MI (KDTX), launched 12:00Z, 4.5 hours before the alert went out and 143 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
- 459 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 225 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 |
|---|---|---|---|---|
| Nov 5, 12:08 PM EST | Tornado Watch | SPC | Allen, Ashland, Auglaize, Butler, Champaign, Clark and 35 more | 7 hr |
| Nov 5, 2:29 PM EST | Mesoscale Discussion | SPC | Auglaize, Mercer | 31 min |
| Nov 5, 3:57 PM EST | Mesoscale Discussion | SPC | Allen, Ashland, Auglaize, Crawford, Hancock, Hardin and 9 more | 63 min |
| Nov 5, 4:51 PM EST | Mesoscale Discussion | SPC | Carroll, Columbiana, Geauga, Mahoning, Portage, Stark and 2 more | 114 min |
| Nov 5, 5:28 PM EST | Severe Thunderstorm Watch | SPC | Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Geauga and 13 more | 5 hr |
| Nov 5, 5:58 PM EST | Mesoscale Discussion | SPC | Butler, Champaign, Clark, Clermont, Clinton, Darke and 18 more | 62 min |
| Nov 5, 6:31 PM EST | Severe Thunderstorm Watch | SPC | Brown, Butler, Clark, Clermont, Clinton, Delaware and 13 more | 6 hr |
Nearby
Mesoscale Discussions in Ohio, 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.