This alert expired on 16 March 2026 at 04:00 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 16 March 2026 — 2 others scored the same.
What the source measured
NOAA reported: Tornado Warning issued March 15 at 10:38PM CDT until March 15 at 11:00PM CDT by NWS Nashville TN
An estimated 187,770 people live within 50 km of this point.
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 67 out of 100, at 88 % 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) | 67 / 100 |
| Our confidence | 88% |
| Coordinates | 36.6693, -86.5320 |
| Nearest City | Gallatin (32 km) |
| Population Exposed | 187.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T03:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.4a9ef919a81bc16bfe9e62f435cf484d |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Williamson, TN; Edmonson, KY; Grayson, KY; Hart, KY; Lauderdale, AL and 2 more areas |
| Headline | Tornado Warning issued March 15 at 10:38PM CDT until March 15 at 11:00PM CDT by NWS Nashville TN |
| Expires | 2026-03-15T23:00:00-05:00 |
| SenderName | NWS Nashville TN |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4a9ef919a81bc16bfe9e62f435cf484db5858f68.002.1","noaa_urn:oid:2.49.0.1.840.0.d1059aa114076f860e9545cb657cd45d1ae4c353.002.1","noaa_urn:oid:2.49.0.1.840.0.89be1214d38748aba61a1ef4ad356cee36d67814.001.1","noaa_urn:oid:2.49.0.1.840.0.d38676956f9b90a1c435bdb169a21536315c23e1.002.1","noaa_urn:oid:2.49.0.1.840.0.32b6e8ab8fa033788a4e0d3159040d133fdcd1a0.002.1"] |
| Spc ReportType | wind |
| Spc Speed | 68 |
| Spc Location | 2 WSW Woodbury |
| Spc County | Butler |
| Spc State | KY |
| Spc Comments | (LMK) |
| MergedSources | [{"id":"spc_wind_36.78_-87.35_124","source":"spc","severity":"medium","severityValue":45,"timestamp":1773627540000,"latitude":36.78,"longitude":-87.35},{"id":"spc_wind_37.16_-86.67_131","source":"spc","severity":"medium","severityValue":45,"timestamp":1773630300000,"latitude":37.16,"longitude":-86.67}] |
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 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.