This alert expired on 27 June 2026 at 02:00 UTC. It is kept here as a record.
No stronger detection stands among the 117 recorded within 20 km of this point since 16 March 2026 — 44 others scored the same. The last comparable one was on 18 June 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 26 at 9:17PM EDT until June 26 at 10:00PM EDT by NWS Louisville KY
An estimated 852,009 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 17, 2026 · score 48 · 1.7 km
- August 13, 2026 · score 48 · 10.1 km
- June 18, 2026 · score 48 · 10.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 78 % 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) | 48 / 100 |
| Our confidence | 78% |
| Coordinates | 38.3343, -85.2423 |
| Nearest City | Shelbyville (14 km) |
| Population Exposed | 852.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-27T01:17:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b3e8872e810dfd8bb3077236eb245a3e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clark, IN; Jefferson, IN; Scott, IN; Trimble, KY; Anderson, KY; Mercer, KY; Nelson, KY; Spencer, KY; Washington, KY |
| Headline | Severe Thunderstorm Warning issued June 26 at 9:17PM EDT until June 26 at 10:00PM EDT by NWS Louisville KY |
| Expires | 2026-06-26T22:00:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b3e8872e810dfd8bb3077236eb245a3ee479544c.001.1","noaa_urn:oid:2.49.0.1.840.0.2dc80720d0e520add5bb84237fc0b4e30f4956c6.001.1"] |
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 near Shelbyville?
Calamity.live data shows a weather event with CalamityScore 48/100, near Shelbyville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.