Reported by SPC today.
It is the 27th strongest of the 84 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day.
What the source measured
SPC reported: Wind UNK kt near 2 SW Waldenburg, Macomb, MI. Video of large pine tree snapped in half near 21 Mile and Hayes Roads. (DTX)
An estimated 2,762,150 people live within 50 km of this point.
Nearby, since 4 April 2026
- May 18, 2026 · score 52 · 1.5 km
- September 3, 2026 · score 46 · 4.0 km
- May 19, 2026 · score 52 · 9.7 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 67 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 67% |
| Coordinates | 42.6400, -82.9700 |
| Nearest City | Shelby (6 km) |
| Population Exposed | 2.8M within 50 km |
| Impact Tier | significant |
| Date | 2026-09-04 — time not reported by the source |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 2 SW Waldenburg |
| County | Macomb |
| State | MI |
| Comments | Video of large pine tree snapped in half near 21 Mile and Hayes Roads. (DTX) |
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 Shelby?
Calamity.live data shows a weather event with CalamityScore 46/100, near Shelby (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.