Alert archive / Ohio / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 59, NWS Wilmington, OH

April 21, 20236 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 21, 2023, 4:15 PM EDT for 6 counties in Ohio. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 21, 2023, 4:15 PM EDT (20:15 UTC)
Expired
Apr 21, 2023, 5:00 PM EDT
In force
45 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Champaign County, OH, Clark County, OH, Delaware County, OH, Franklin County, OH, Madison County, OH, Union County, OH

The radar

The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 20:15 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 81 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 2023-04-21Temperature 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 2023-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
1452 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 3:11 PM EDTSpecial Weather StatementILNWarren34 min
Apr 21, 3:38 PM EDTSpecial Weather StatementILNGreene37 min
Apr 21, 3:45 PM EDTSpecial Weather StatementILNAdams30 min
Apr 21, 4:12 PM EDTSpecial Weather StatementILNMadison33 min
Apr 21, 4:29 PM EDTSpecial Weather StatementILNClermont31 min
Apr 21, 4:33 PM EDTSpecial Weather StatementILNAdams27 min
Apr 21, 4:37 PM EDTSevere Thunderstorm WarningILNAdams, Brown, Highland23 min
Apr 21, 4:48 PM EDTSevere Thunderstorm WarningILNDelaware, Licking, Union27 min
Apr 21, 4:57 PM EDTSpecial Weather StatementILNHighland33 min
Apr 21, 4:57 PM EDTSpecial Weather StatementILNBrown33 min
Apr 21, 5:01 PM EDTSpecial Weather StatementILNPike29 min
Apr 21, 5:25 PM EDTSpecial Weather StatementILNRoss35 min
Apr 21, 5:30 PM EDTSpecial Weather StatementILNAdams, Pike30 min
Apr 21, 6:05 PM EDTSpecial Weather StatementILNFairfield, Pickaway25 min
Apr 21, 6:39 PM EDTSpecial Weather StatementILNFairfield21 min
Apr 21, 3:58 PM EDTSpecial Weather StatementILNCampbell, Grant, Pendleton32 min
Apr 21, 4:07 PM EDTSpecial Weather StatementILNBracken, Pendleton, Robertson23 min
Apr 21, 4:31 PM EDTSpecial Weather StatementILNBracken, Pendleton29 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2023Every severe thunderstorm warning 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.