This alert expired on 21 July 2026 at 22:30 UTC. It is kept here as a record.
It is the 19th strongest of the 26 detections recorded within 20 km of this point since 16 April 2026. The last comparable one was on 10 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 21 at 5:07PM CDT until July 21 at 5:30PM CDT by NWS Paducah KY
An estimated 43,818 people live within 50 km of this point.
Nearby, since 16 April 2026
- May 19, 2026 · score 34 · 3.1 km
- June 9, 2026 · score 58 · 5.1 km
- June 27, 2026 · score 58 · 8.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100, at 79 % 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) | 28 / 100 |
| Our confidence | 79% |
| Coordinates | 36.9800, -88.1312 |
| Nearest City | Paducah (43 km) |
| Population Exposed | 43.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-21T22:07:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.daee8b16fa06b691034b67fb4288e94924459219.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Livingston, KY; Lyon, KY; Marshall, KY |
| Headline | Severe Thunderstorm Warning issued July 21 at 5:07PM CDT until July 21 at 5:30PM CDT by NWS Paducah KY |
| Expires | 2026-07-21T17:30:00-05:00 |
| SenderName | NWS Paducah 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 28/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.