Alert archive / Ohio / Flash Flood Warnings in 2026
Flash Flood Warning 88, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Sep 16, 2026, 3:09 AM EDT for Mercer County, Ohio. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 16, 2026, 3:09 AM EDT (07:09 UTC)
- Expired
- Sep 16, 2026, 6:44 AM EDT
- In force
- 4 hr
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
- Flood severity
- None
County Mercer County, OH
The radar
The Northern Indiana radar (KIWX), 128 km from the middle of the area, began a volume at 07:08 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, 7.2 hours before the alert went out and 142 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
- 1364 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1393 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.4
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 12:38 AM EDT | Special Weather Statement | ILN | Mercer | 37 min |
| Sep 16, 2:47 AM EDT | Areal Flood Advisory | ILN | Mercer | 22 min |
| Sep 16, 4:36 AM EDT | Areal Flood Advisory | ILN | Auglaize, Shelby | 3 hr |
| Sep 16, 6:44 AM EDT | Areal Flood Warning | ILN | Mercer | 4 hr |
| Sep 16, 2:55 PM EDT | Flood Watch | ILN | Auglaize, Champaign, Clark, Darke, Delaware, Franklin and 11 more | 23 hr |
| Sep 16, 4:23 PM EDT | Special Weather Statement | ILN | Darke | 37 min |
| Sep 16, 4:39 PM EDT | Severe Thunderstorm Warning | ILN | Darke | 36 min |
| Sep 16, 4:41 PM EDT | Special Weather Statement | ILN | Auglaize | 34 min |
| Sep 16, 4:55 PM EDT | Areal Flood Advisory | ILN | Darke | 3 hr |
| Sep 16, 4:57 PM EDT | Special Weather Statement | ILN | Miami | 33 min |
| Sep 16, 5:00 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Preble | 45 min |
| Sep 16, 5:11 PM EDT | Severe Thunderstorm Warning | ILN | Miami, Shelby | 49 min |
| Sep 16, 5:17 PM EDT | Special Weather Statement | ILN | Darke | 43 min |
| Sep 16, 5:29 PM EDT | Severe Thunderstorm Warning | ILN | Darke, Montgomery, Preble | 46 min |
| Sep 16, 5:36 PM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark | 39 min |
| Sep 16, 5:42 PM EDT | Special Weather Statement | ILN | Allen | 48 min |
| Sep 16, 5:47 PM EDT | Special Weather Statement | ILN | Logan | 43 min |
| Sep 16, 6:01 PM EDT | Special Weather Statement | ILN | Miami | 44 min |
| Sep 16, 6:23 PM EDT | Special Weather Statement | ILN | Union | 37 min |
| Sep 16, 6:27 PM EDT | Areal Flood Advisory | ILN | Preble | 3 hr |
| Sep 16, 6:27 PM EDT | Special Weather Statement | ILN | Greene | 48 min |
| Sep 16, 6:54 PM EDT | Flash Flood Warning | ILN | Preble | 3 hr |
| Sep 16, 4:42 PM EDT | Special Weather Statement | ILN | Wayne | 33 min |
Nearby
Flash Flood Warnings in Ohio, 2026Every flash flood 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.