This alert expired on 16 March 2026 at 02:15 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 — one other scored the same.
What the source measured
NOAA reported: Tornado Warning issued March 15 at 8:41PM CDT until March 15 at 9:15PM CDT by NWS Memphis TN
Nearby, since 16 March 2026
- July 22, 2026 · score 22 · 13.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 67 % 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) | 46 / 100 |
| Our confidence | 67% |
| Coordinates | 35.2450, -88.0875 |
| Nearest City | Florence (62 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T01:41:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a1f977878872508969e29a9b1da8246f339dbcd5.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hardin, TN |
| Headline | Tornado Warning issued March 15 at 8:41PM CDT until March 15 at 9:15PM CDT by NWS Memphis TN |
| Expires | 2026-03-15T21:15:00-05:00 |
| SenderName | NWS Memphis TN |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 100 |
| Spc Location | 3 ESE Kossuth |
| Spc County | Alcorn |
| Spc State | MS |
| Spc Comments | (MEG) |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 3 ESE Kossuth |
| Iem County | Alcorn |
| Iem State | MS |
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 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.