This alert expired on 10 August 2026 at 19:30 UTC. It is kept here as a record.
No stronger detection stands among the 34 recorded within 20 km of this point since 12 March 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 2:46PM EDT until August 10 at 3:30PM EDT by NWS Wilmington OH
An estimated 102,338 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 10, 2026 · score 39 · 11.4 km
- August 11, 2026 · score 43 · 16.0 km
- May 19, 2026 · score 43 · 16.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 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 | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 40.4518, -83.8600 |
| Nearest City | Sidney (32 km) |
| Population Exposed | 102.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T18:46:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.803b1b742dc6774b6e28ca916433ecbec2e121c1.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Logan, OH; Shelby, OH |
| Headline | Severe Thunderstorm Warning issued August 10 at 2:46PM EDT until August 10 at 3:30PM EDT by NWS Wilmington OH |
| Expires | 2026-08-10T15:30:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | Kenton |
| Iem County | Hardin |
| Iem State | OH |
| Iem Wfo | ILN |
| Iem Remark | A few power poles and some wires down in the Kenton area. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_40.990_-84.050_1786366800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786366800000,"latitude":40.99,"longitude":-84.05},{"id":"iem_D_40.650_-83.610_1786369800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786369800000,"latitude":40.65,"longitude":-83.61}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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 in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.