This alert expired on 4 July 2026 at 04:05 UTC. It is kept here as a record.
No stronger detection stands among the 20 recorded within 20 km of this point since 28 April 2026 — 12 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 11:55PM EDT until July 4 at 12:00AM EDT by NWS Jackson KY
Nearby, since 28 April 2026
- July 20, 2026 · score 16 · 8.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 59 % 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 | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 59% |
| Coordinates | 36.8987, -83.5362 |
| Nearest City | Morristown (80 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-04T03:55:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.8ff9b2d7c3be531365914ed72390362dba19d51d.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bell, KY; Clay, KY; Knox, KY; Leslie, KY |
| Headline | Severe Thunderstorm Warning issued July 3 at 11:55PM EDT until July 4 at 12:00AM EDT by NWS Jackson KY |
| Expires | 2026-07-04T00:05:00-04:00 |
| SenderName | NWS Jackson KY |
| 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 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.