Alert archive / Ohio / Mesoscale Discussions in 2023
Mesoscale Discussion 340
The Storm Prediction Center issued this mesoscale discussion at Mar 25, 2023, 11:50 AM EDT for 4 states. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2023, 11:50 AM EDT (15:50 UTC)
- Expired
- Mar 25, 2023, 1:15 PM EDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 60%
All 59 counties
Greenup County, KY, Lewis County, KY, Adams County, OH, Athens County, OH, Belmont County, OH, Carroll County, OH, Columbiana County, OH, Coshocton County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Gallia County, OH, Guernsey County, OH, Harrison County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Jackson County, OH, Jefferson County, OH, Knox County, OH, Lawrence County, OH, Licking County, OH, Mahoning County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Muskingum County, OH, Noble County, OH, Perry County, OH, Pickaway County, OH, Pike County, OH, Portage County, OH, Ross County, OH, Scioto County, OH, Stark County, OH, Summit County, OH, Trumbull County, OH, Tuscarawas County, OH, Vinton County, OH, Washington County, OH, Wayne County, OH, Allegheny County, PA, Beaver County, PA, Butler County, PA, Greene County, PA, Lawrence County, PA, Mercer County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV, Jackson County, WV, Marshall County, WV, Mason County, WV, Ohio County, WV, Pleasants County, WV, Tyler County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV
The radar
The Pittsburgh radar (KPBZ), 143 km from the middle of the area, began a volume at 15:52 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
Pittsburgh, PA (KPIT), launched 12:00Z, 3.8 hours before the alert went out and 147 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
- 502 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 1020 m²/s²
- 0-3 km storm-relative helicity
- 1254 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 |
|---|---|---|---|---|
| Mar 24, 11:55 PM EDT | Mesoscale Discussion | SPC | Allen, Clinton, Cumberland, McCreary, Monroe, Russell and 2 more | 3 hr |
| Mar 25, 1:01 PM EDT | Severe Thunderstorm Watch | SPC | Ashland, Ashtabula, Athens, Belmont, Carroll, Columbiana and 26 more | 4 hr |
| Mar 25, 2:07 PM EDT | Mesoscale Discussion | SPC | Belmont, Carroll, Columbiana, Coshocton, Geauga, Guernsey and 11 more | 53 min |
Nearby
Mesoscale Discussions in Ohio, 2023Mesoscale Discussions in West Virginia, 2023Mesoscale Discussions in Pennsylvania, 2023Every mesoscale discussion in 2023
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.