This alert expired on 18 June 2026 at 06:30 UTC. It is kept here as a record.
No stronger detection stands among the 36 recorded within 20 km of this point since 15 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 18 at 2:13AM EDT until June 18 at 2:30AM EDT by NWS Wilmington OH
An estimated 999,214 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 28, 2026 · score 52 · 8.7 km
- May 25, 2026 · score 48 · 14.9 km
- August 7, 2026 · score 48 · 15.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 72 out of 100, at 80 % 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 | 80% |
| Coordinates | 39.3500, -84.1267 |
| Nearest City | Lebanon (12 km) |
| Population Exposed | 999.2K within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-06-18T06:13:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9aba3e0b2d33832691a0446a8ebd1f9ac95229ee.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clinton, OH; Warren, OH |
| Headline | Tornado Warning issued June 18 at 2:13AM EDT until June 18 at 2:30AM EDT by NWS Wilmington OH |
| Expires | 2026-06-18T02:30:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
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.
Want to know when something happens near Lebanon?
Calamity.live data shows a weather event with CalamityScore 72/100, near Lebanon (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.