Alert archive / Ohio / Mesoscale Discussions in 2025

Mesoscale Discussion 705

May 5, 202514 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 5, 2025, 6:56 PM EDT for 14 counties in Ohio. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
May 5, 2025, 6:56 PM EDT (22:56 UTC)
Expired
May 5, 2025, 8:30 PM EDT
In force
94 min
Issued by
the Storm Prediction Center
Concerning
Severe thunderstorm watch 226

Counties Ashland County, OH, Crawford County, OH, Erie County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Wayne County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 89 km from the middle of the area, began a volume at 22:55 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.9 hours before the alert went out and 186 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2025-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2025-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
824 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 1:02 PM EDTMesoscale DiscussionSPCAthens, Belmont, Carroll, Columbiana, Coshocton, Gallia and 21 more118 min
May 5, 4:07 PM EDTSevere Thunderstorm WatchSPCAshland, Belmont, Carroll, Columbiana, Coshocton, Crawford and 25 more5 hr

Nearby

Mesoscale Discussions in Ohio, 2025Every mesoscale discussion in 2025

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.