Alert archive / Ohio / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 92, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 20, 2026, 7:05 AM EDT for Franklin County, Ohio. It was in force for 25 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
- May 20, 2026, 7:05 AM EDT (11:05 UTC)
- Expired
- May 20, 2026, 7:30 AM EDT
- In force
- 25 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Franklin County, OH
The radar
The Cincinnati radar (KILN), 93 km from the middle of the area, began a volume at 11:05 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 19, 8:00 PM EDT | Severe Thunderstorm Watch | SPC | 38 days |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 11.1 hours before the alert went out and 90 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.
- Mixed-layer CAPE
- 1373 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1279 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at May 20, 6:41 AM EDT, 24 minutes earlier.
Area forecast discussion, May 20, 6:41 AM EDT, 24 minutes before
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</html>Hazardous weather outlook, May 20, 2:31 AM EDT, 4 hours 34 minutes before
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Special weather statement, May 20, 7:00 AM EDT, 5 minutes before
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</html>The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 8:11 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Clinton, Fayette, Greene, Madison | 49 min |
| May 19, 8:25 PM EDT | Severe Thunderstorm Warning | ILN | Delaware, Franklin, Licking, Madison, Union | 65 min |
| May 19, 8:39 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Madison, Pickaway | 51 min |
| May 19, 8:48 PM EDT | Special Weather Statement | ILN | Hamilton, Warren | 27 min |
| May 19, 9:03 PM EDT | Areal Flood Advisory | ILN | Champaign, Clark, Delaware, Franklin, Greene, Licking and 3 more | 3 hr |
| May 19, 9:10 PM EDT | Severe Thunderstorm Warning | ILN | Fairfield, Franklin, Licking, Pickaway | 50 min |
| May 19, 9:16 PM EDT | Special Weather Statement | ILN | Clinton | 29 min |
| May 19, 9:43 PM EDT | Special Weather Statement | ILN | Licking | 32 min |
| May 19, 9:48 PM EDT | Special Weather Statement | ILN | Fairfield | 27 min |
| May 19, 10:10 PM EDT | Special Weather Statement | ILN | Fairfield, Hocking | 35 min |
| May 20, 4:45 AM EDT | Areal Flood Advisory | ILN | Butler, Hamilton | 3 hr |
| May 20, 7:00 AM EDT | Special Weather Statement | ILN | Franklin, Licking | 30 min |
| May 20, 7:26 AM EDT | Special Weather Statement | ILN | Licking | 34 min |
| May 20, 5:04 PM EDT | Areal Flood Advisory | ILN | Scioto | 3 hr |
| May 20, 7:22 PM EDT | Areal Flood Advisory | ILN | Adams, Brown | 3 hr |
| May 19, 8:09 PM EDT | Severe Thunderstorm Warning | ILN | Boone, Campbell, Gallatin, Grant, Kenton, Owen | 9 min |
| May 20, 3:37 PM EDT | Areal Flood Advisory | ILN | Lewis, Mason | 2 hr |
| May 20, 5:38 PM EDT | Areal Flood Advisory | ILN | Pendleton | 65 min |
| May 20, 6:42 PM EDT | Flash Flood Warning | ILN | Bracken, Pendleton | 2 hr |
| May 20, 4:00 AM EDT | Areal Flood Advisory | ILN | Dearborn, Franklin, Ohio, Ripley | 4 hr |
Nearby
Severe Thunderstorm Warnings in Ohio, 2026Every severe thunderstorm warning in 2026
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.