Alert archive / Ohio / Mesoscale Discussions in 2010
Mesoscale Discussion 552
The Storm Prediction Center issued this mesoscale discussion at May 14, 2010, 1:48 AM EDT for 25 counties in Ohio; Lawrence County, Pennsylvania. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- May 14, 2010, 1:48 AM EDT (05:48 UTC)
- Expired
- May 14, 2010, 3:15 AM EDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 26 counties
Allen County, OH, Ashland County, OH, Auglaize County, OH, Columbiana County, OH, Crawford County, OH, Hancock County, OH, Hardin County, OH, Holmes County, OH, Huron County, OH, Logan County, OH, Mahoning County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Morrow County, OH, Portage County, OH, Putnam County, OH, Richland County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Wayne County, OH, Wyandot County, OH, Lawrence County, PA
The radar
The Cleveland radar (KCLE), 59 km from the middle of the area, began a volume at 05:49 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
Pittsburgh, PA (KPIT), launched 00:00Z, 5.8 hours before the alert went out and 171 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
- 1061 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1042 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 452 m²/s²
- 0-3 km storm-relative helicity
- 637 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 13.2
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 |
|---|---|---|---|---|
| May 14, 3:48 AM EDT | Mesoscale Discussion | SPC | Geauga, Mahoning, Portage, Summit, Trumbull | 87 min |
| May 14, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Gallia, Lawrence, Meigs, Monroe and 3 more | 7 hr |
| May 13, 8:30 PM EDT | Mesoscale Discussion | SPC | Elk, Erie, McKean, Warren | 90 min |
| May 14, 11:56 AM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Centre, Cumberland and 11 more | 2 hr |
| May 14, 3:43 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 3 more | 6 hr |
| May 14, 6:35 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Chester, Cumberland, Delaware and 6 more | 55 min |
Nearby
Mesoscale Discussions in Ohio, 2010Mesoscale Discussions in Pennsylvania, 2010Every mesoscale discussion in 2010
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.