This alert expired on 24 May 2026 at 04:18 UTC. It is kept here as a record.
No stronger detection stands among the 35 recorded within 20 km of this point since 16 March 2026 — 33 others scored the same. 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: Severe Thunderstorm Warning issued May 23 at 11:08PM CDT until May 23 at 11:15PM CDT by NWS Morristown TN
An estimated 356,102 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 14, 2026 · score 43 · 16.1 km
- August 2, 2026 · score 43 · 20.7 km
- June 14, 2026 · score 43 · 24.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 35.3975, -85.4787 |
| Nearest City | Chattanooga (42 km) |
| Population Exposed | 356.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-24T04:08:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bledsoe, TN; Marion, TN; Sequatchie, TN |
| Headline | Severe Thunderstorm Warning issued May 23 at 11:08PM CDT until May 23 at 11:15PM CDT by NWS Morristown TN |
| Expires | 2026-05-23T23:18:00-05:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
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 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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Chattanooga (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.