This alert expired on 3 July 2026 at 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 64 recorded within 20 km of this point since 16 March 2026 — 23 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 6:54PM EDT until July 3 at 7:45PM EDT by NWS Morristown TN
An estimated 270,425 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 30, 2026 · score 37 · 5.1 km
- August 9, 2026 · score 43 · 16.7 km
- July 8, 2026 · score 43 · 17.2 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 78 % 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) | 43 / 100 |
| Our confidence | 78% |
| Coordinates | 35.9200, -84.4081 |
| Nearest City | Oak Ridge (16 km) |
| Population Exposed | 270.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T22:54:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.26ce08922b64088c77665f46f2a9e054 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Anderson, TN; Loudon, TN; Morgan, TN; Roane, TN; Morgan, TN; Roane, TN |
| Headline | Severe Thunderstorm Warning issued July 3 at 6:54PM EDT until July 3 at 7:45PM EDT by NWS Morristown TN |
| Expires | 2026-07-03T19:45:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.26ce08922b64088c77665f46f2a9e0545289df86.001.1","noaa_urn:oid:2.49.0.1.840.0.9e7e4ab374457e80569baa1df57d5f3347fd22d8.001.1"] |
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 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 near Oak Ridge?
Calamity.live data shows a weather event with CalamityScore 43/100, near Oak Ridge (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.