This alert expired on 5 July 2026 at 17:45 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 — 29 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 July 5 at 12:39PM CDT until July 5 at 12:45PM CDT by NWS Huntsville AL
An estimated 154,024 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 43 · 3.6 km
- August 2, 2026 · score 43 · 18.4 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 81 % 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 | 81% |
| Coordinates | 35.5110, -85.2510 |
| Nearest City | East Chattanooga (49 km) |
| Population Exposed | 154.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T17:39:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Madison, AL; Lincoln, TN; Hamilton, TN; Sequatchie, TN; Anderson, TN; Knox, TN; Union, TN |
| Headline | Severe Thunderstorm Warning issued July 5 at 12:39PM CDT until July 5 at 12:45PM CDT by NWS Huntsville AL |
| Expires | 2026-07-05T12:45:00-05:00 |
| SenderName | NWS Huntsville AL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d3b9ec9e60efa646014d6198fd0a04a21da38f73.001.1","noaa_urn:oid:2.49.0.1.840.0.c339cd5586d4b8b99811d03d163c31526a06c100.001.1","noaa_urn:oid:2.49.0.1.840.0.85ed69cfca36727f1b9100281e279f7a57ab6ea2.002.1"] |
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 43/100, near East Chattanooga (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.