Severe Weather in United States
This alert expired on 16 March 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 50 recorded within 20 km of this point since 16 March 2026 — one other scored the same.
What the source measured
NOAA reported: Tornado Warning issued March 15 at 11:01PM EDT until March 15 at 11:45PM EDT by NWS Louisville KY
An estimated 52,065 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 63 · 0.6 km
- July 10, 2026 · score 43 · 15.7 km
- June 28, 2026 · score 22 · 19.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 63 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 | Critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 78% |
| Coordinates | 37.7391, -86.3634 |
| Nearest City | Radcliff (38 km) |
| Population Exposed | 52.1K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T03:01:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.889488a5bc1f3980d0b95012fa585852 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butler, KY; Edmonson, KY; Grayson, KY; Hardin, KY; Hart, KY; Ohio, KY; Clark, IN; Orange, IN; Washington, IN; Butler, KY; Edmonson, KY; Grayson, KY; Hart, KY; Logan, KY; Warren, KY |
| Headline | Tornado Warning issued March 15 at 11:01PM EDT until March 15 at 11:45PM EDT by NWS Louisville KY |
| Expires | 2026-03-15T23:45:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.889488a5bc1f3980d0b95012fa5858526ce408db.001.1","noaa_urn:oid:2.49.0.1.840.0.41ee4af5b4b9f52ee8ae4b89bf24578c5aa7a161.001.1","noaa_urn:oid:2.49.0.1.840.0.8c7a0876813b2ddfaca71ce00d0e318de60eeabc.001.1"] |
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 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 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.