This alert expired on 16 March 2026 at 04:45 UTC. It is kept here as a record.
It is the strongest of the 17 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued March 15 at 11:18PM CDT until March 15 at 11:45PM CDT by NWS Nashville TN
An estimated 61,766 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 14, 2026 · score 39 · 2.0 km
- March 16, 2026 · score 58 · 13.9 km
- July 19, 2026 · score 43 · 18.7 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 63 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 88% |
| Coordinates | 35.2209, -86.9564 |
| Nearest City | Columbia (45 km) |
| Population Exposed | 61.8K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T04:18:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ce30ba9e929c12a2e47ff39b9ee6ec3326a7cb52.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Giles, TN |
| Headline | Tornado Warning issued March 15 at 11:18PM CDT until March 15 at 11:45PM CDT by NWS Nashville TN |
| Expires | 2026-03-15T23:45:00-05:00 |
| SenderName | NWS Nashville TN |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 1 E St. Joseph |
| Spc County | Lawrence |
| Spc State | TN |
| Spc Comments | Quarter size hail at Fairview Road near St. Joseph. (OHX) |
| Iem TypeSummary | C |
| Iem City | 2 NNE Saint Florian |
| Iem County | Lauderdale |
| Iem State | AL |
| Iem Wfo | HUN |
| Iem Remark | Funnel cloud being seen from Florence camera. |
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 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 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.