This alert expired on 11 August 2026 at 19:45 UTC. It is kept here as a record.
No stronger detection stands among the 79 recorded within 20 km of this point since 11 March 2026 — 8 others scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued August 11 at 3:22PM EDT until August 11 at 3:45PM EDT by NWS Wilmington OH
An estimated 744,073 people live within 50 km of this point.
Nearby, since 11 March 2026
- July 21, 2026 · score 41 · 6.3 km
- May 25, 2026 · score 48 · 8.3 km
- August 11, 2026 · score 72 · 8.7 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 72 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 72 / 100 |
| Our confidence | 91% |
| Coordinates | 39.1775, -84.7671 |
| Nearest City | White Oak (15 km) |
| Population Exposed | 744.1K within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-08-11T19:22:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butler, OH; Hamilton, OH; Dearborn, IN; Boone, KY; Hamilton, OH |
| Headline | Tornado Warning issued August 11 at 3:22PM EDT until August 11 at 3:45PM EDT by NWS Wilmington OH |
| Expires | 2026-08-11T15:45:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.845873dbb85f63d47c775c7145638c18787cfe96.001.1","noaa_urn:oid:2.49.0.1.840.0.417424a6ff51ad6cc0f0f91d40263afae49ad857.002.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 48 |
| Iem Unit | MPH |
| Iem City | 2 W Turpin Hills |
| Iem County | Hamilton |
| Iem State | OH |
| Iem Wfo | ILN |
| Iem Remark | ASOS station KLUK Cincinnati Lunken Field. |
| Google News RssFeed | weather |
| Google News SourceName | FOX19 | Cincinnati |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 72/100, near White Oak (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.