This alert expired on 9 June 2026 at 23:15 UTC. It is kept here as a record.
No stronger detection stands among the 51 recorded within 20 km of this point since 15 March 2026 — 22 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 9 at 5:11PM CDT until June 9 at 6:15PM CDT by NWS Nashville TN
An estimated 1,324,976 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 8, 2026 · score 52 · 2.3 km
- July 3, 2026 · score 46 · 2.7 km
- March 15, 2026 · score 52 · 3.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 35.9722, -86.5265 |
| Nearest City | Smyrna (1 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-09T22:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9596c0188c052b764f9a6893ed5ab3f9 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cannon, TN; Davidson, TN; Rutherford, TN; Wilson, TN; Davidson, TN; Rutherford, TN; Williamson, TN; Wilson, TN; Davidson, TN |
| Headline | Severe Thunderstorm Warning issued June 9 at 5:11PM CDT until June 9 at 6:15PM CDT by NWS Nashville TN |
| Expires | 2026-06-09T18:15:00-05:00 |
| SenderName | NWS Nashville TN |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9596c0188c052b764f9a6893ed5ab3f9fef0b264.001.1","noaa_urn:oid:2.49.0.1.840.0.8c96ae522c5570da9451b8e8229ba67ef8eb3fce.002.1","noaa_urn:oid:2.49.0.1.840.0.1af33982cfda99f704ad812857f20ec317c2970a.001.1"] |
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 52/100, near Smyrna (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.