Right now
The most recent data we hold from SPC arrived 8 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
Reported by SPC 173 days ago.
No stronger detection stands among the 51 recorded within 20 km of this point since 16 March 2026 — 37 others scored the same. 24 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 2 NNE Jasper, Marion, TN. Several trees down across the county. (MRX)
An estimated 371,216 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 43 · 0.0 km
- July 3, 2026 · score 43 · 7.5 km
- June 9, 2026 · score 37 · 21.0 km
How we know
Confirmed by 3 independent sources, including SPC.
Our own score for this event is 43 out of 100, at 91 % 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 | 91% |
| Coordinates | 35.0800, -85.6200 |
| Nearest City | Chattanooga (28 km) |
| Population Exposed | 371.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T06:24:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 2 NNE Jasper |
| County | Marion |
| State | TN |
| Comments | Several trees down across the county. (MRX) |
| Iem TypeSummary | D |
| Iem City | 2 NNE Jasper |
| Iem County | Marion |
| Iem State | TN |
| Iem Wfo | MRX |
| Iem Remark | Several trees down across the county. |
| MergedSources | [{"id":"iem_D_35.370_-85.390_1773642300000","source":"iem","severity":"low","severityValue":25,"timestamp":1773642300000,"latitude":35.37,"longitude":-85.39},{"id":"iem_D_35.080_-85.620_1773642240000","source":"iem","severity":"low","severityValue":25,"timestamp":1773642240000,"latitude":35.08,"longitude":-85.62}] |
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 Chattanooga?
Calamity.live data shows a weather event with CalamityScore 43/100, near Chattanooga (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.