Alert archive / Ohio / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 66, NWS Charleston, WV

July 20, 2023Athens County, Morgan County, Perry County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 20, 2023, 9:35 PM EDT for Athens County, Morgan County, Perry County, Ohio. It was in force for 70 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
Jul 20, 2023, 9:35 PM EDT (01:35 UTC)
Expired
Jul 20, 2023, 10:45 PM EDT
In force
70 min
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Athens County, OH, Morgan County, OH, Perry County, OH

The radar

The Charleston,WV radar (KRLX), 142 km from the middle of the area, began a volume at 01:35 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 00:00Z, 1.6 hours before the alert went out and 151 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 00:00Z on 2023-07-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2049 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2023-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 square meters per square second.1939587897Sfc1 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
2049 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.2

Open this sounding in Storm Lab

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 20, 11:44 PM EDTSpecial Weather StatementRLXLewis31 min
Jul 21, 12:15 AM EDTSpecial Weather StatementRLXLewis30 min
Jul 21, 12:23 AM EDTSpecial Weather StatementRLXTaylor22 min
Jul 21, 12:46 AM EDTSpecial Weather StatementRLXJackson14 min
Jul 21, 1:07 AM EDTSpecial Weather StatementRLXBarbour, Harrison23 min
Jul 21, 1:23 AM EDTSpecial Weather StatementRLXLewis37 min
Jul 21, 1:56 AM EDTSpecial Weather StatementRLXUpshur34 min
Jul 20, 9:39 PM EDTSevere Thunderstorm WarningRLXAthens, Morgan, Perry81 min
Jul 20, 10:51 PM EDTSpecial Weather StatementRLXAthens24 min
Jul 20, 11:26 PM EDTSpecial Weather StatementRLXAthens34 min
Jul 20, 11:42 PM EDTSpecial Weather StatementRLXJackson33 min
Jul 21, 12:28 AM EDTSpecial Weather StatementRLXMeigs17 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.