This alert expired on 17 May 2026 at 00:45 UTC. It is kept here as a record.
It is the 5th strongest of the 34 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 16 at 8:15PM EDT until May 16 at 8:45PM EDT by NWS Wilmington OH
An estimated 126,597 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 21, 2026 · score 39 · 9.7 km
- May 20, 2026 · score 39 · 9.7 km
- July 21, 2026 · score 63 · 14.1 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 89 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 38.6332, -84.4353 |
| Nearest City | Independence (35 km) |
| Population Exposed | 126.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-17T00:15:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.c8245538f7f71f49da999292c90b26a7cacc6568.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Campbell, KY; Grant, KY; Kenton, KY; Pendleton, KY |
| Headline | Severe Thunderstorm Warning issued May 16 at 8:15PM EDT until May 16 at 8:45PM EDT by NWS Wilmington OH |
| Expires | 2026-05-16T20:45:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 48 |
| Iem Unit | MPH |
| Iem City | 1 W Sparta |
| Iem County | Gallatin |
| Iem State | KY |
| Iem Wfo | ILN |
| Iem Remark | AWOS site K8GK Gallatin County Airport. |
| Google News RssFeed | weather |
| Google News SourceName | WCPO 9 Cincinnati |
| MergedSources | [{"id":"iem_D_38.680_-85.180_1778973540000","source":"iem","severity":"low","severityValue":25,"timestamp":1778973540000,"latitude":38.68,"longitude":-85.18},{"id":"iem_G_38.680_-84.930_1778974620000","source":"iem","severity":"low","severityValue":25,"timestamp":1778974620000,"latitude":38.68,"longitude":-84.93},{"id":"gnews_weather_494158_154","source":"google_news","severity":"medium","severityValue":40,"timestamp":1778969366000,"latitude":39.13,"longitude":-84.51}] |
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 8 March 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.