Alert archive / Ohio / Mesoscale Discussions in 2024

Mesoscale Discussion 896

May 22, 202417 counties in Indiana; 6 counties in Kentucky; 39 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 22, 2024, 4:18 PM EDT for 17 counties in Indiana; 6 counties in Kentucky; 39 counties in Ohio. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued
May 22, 2024, 4:18 PM EDT (20:18 UTC)
Expired
May 22, 2024, 6:15 PM EDT
In force
117 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch possible
Chance of a watch
40%
All 62 counties

Clark County, IN, Crawford County, IN, Dearborn County, IN, Decatur County, IN, Fayette County, IN, Franklin County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Ohio County, IN, Orange County, IN, Ripley County, IN, Scott County, IN, Switzerland County, IN, Union County, IN, Washington County, IN, Wayne County, IN, Boone County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Kenton County, KY, Trimble County, KY, Allen County, OH, Ashland County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Crawford County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Highland County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Pickaway County, OH, Preble County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Union County, OH, Warren County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 40 km from the middle of the area, began a volume at 20:21 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, 8.3 hours before the alert went out and 42 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 2024-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 376 joules per kilogram.LCLLFCEL10008507005003002001001 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 2024-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
376 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1403 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
144 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 22, 7:30 PM EDTMesoscale DiscussionSPCClark, Dearborn, Floyd, Franklin, Harrison, Jefferson and 4 more90 min
May 22, 12:26 PM EDTMesoscale DiscussionSPCCalloway, Fulton, Graves, Hickman2 hr
May 22, 12:46 PM EDTSevere Thunderstorm WatchSPCCaldwell, Calloway, Carlisle, Christian, Fulton, Graves and 7 more6 hr
May 22, 4:08 PM EDTMesoscale DiscussionSPCAllen, Barren, Calloway, Christian, Logan, Simpson and 2 more97 min
May 22, 6:57 PM EDTMesoscale DiscussionSPCBell, Clay, Clinton, Knox, Laurel, McCreary and 4 more93 min
May 22, 12:28 PM EDTMesoscale DiscussionSPCBelmont, Columbiana, Harrison, Jefferson, Monroe, Noble and 1 more2 hr

Nearby

Mesoscale Discussions in Ohio, 2024Mesoscale Discussions in Indiana, 2024Mesoscale Discussions in Kentucky, 2024Every mesoscale discussion in 2024

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.