Alert archive / Ohio / Mesoscale Discussions in 2019

Mesoscale Discussion 786

May 25, 201938 counties in Indiana; 60 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at May 25, 2019, 1:07 PM EDT for 38 counties in Indiana; 60 counties in Ohio. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
May 25, 2019, 1:07 PM EDT (17:07 UTC)
Expired
May 25, 2019, 2:30 PM EDT
In force
83 min
Issued by
the Storm Prediction Center
Chance of a watch
60%
All 98 counties

Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Clinton County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jay County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, Allen County, OH, Ashland County, OH, Auglaize County, OH, Butler County, OH, Carroll County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Coshocton County, OH, Crawford County, OH, Cuyahoga County, OH, Darke County, OH, Delaware County, OH, Erie County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Geauga County, OH, Greene County, OH, Guernsey County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Licking County, OH, Logan County, OH, Lorain County, OH, Madison County, OH, Marion County, OH, Medina County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morgan County, OH, Morrow County, OH, Muskingum County, OH, Paulding County, OH, Perry County, OH, Pickaway County, OH, Portage County, OH, Preble County, OH, Putnam County, OH, Richland County, OH, Ross County, OH, Sandusky County, OH, Seneca County, OH, Shelby County, OH, Stark County, OH, Summit County, OH, Tuscarawas County, OH, Union County, OH, Van Wert County, OH, Vinton County, OH, Warren County, OH, Wayne County, OH, Wyandot County, OH

The radar

The Cincinnati radar (KILN), 105 km from the middle of the area, began a volume at 17:10 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 5.1 hours before the alert went out and 105 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 2019-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 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 2019-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
125 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1347 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
61 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 25, 2:21 PM EDTSevere Thunderstorm WatchSPCBartholomew, Brown, Decatur, Delaware, Fayette, Franklin and 9 more5 hr
May 25, 12:53 PM EDTMesoscale DiscussionSPCBelmont, Columbiana, Harrison, Jefferson, Mahoning, Monroe and 2 more2 hr
May 25, 4:50 PM EDTSevere Thunderstorm WatchSPCAthens, Belmont, Carroll, Columbiana, Guernsey, Harrison and 7 more5 hr

Nearby

Mesoscale Discussions in Ohio, 2019Mesoscale Discussions in Indiana, 2019Every mesoscale discussion in 2019

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.