Reported by SPC today.
It is the 2nd strongest of the 51 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 3 September 2026.
What the source measured
SPC reported: Wind UNK kt near Westphalia, Clinton, MI. Large tree limb down. (GRR)
An estimated 249,602 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 16, 2026 · score 43 · 13.5 km
- June 11, 2026 · score 37 · 20.6 km
- September 4, 2026 · score 37 · 24.5 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 81 % 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) | 37 / 100 |
| Our confidence | 81% |
| Coordinates | 42.9300, -84.8000 |
| Nearest City | Waverly (26 km) |
| Population Exposed | 249.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T04:19:59.024Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | Westphalia |
| County | Clinton |
| State | MI |
| Comments | Large tree limb down. (GRR) |
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 Waverly?
Calamity.live data shows a weather event with CalamityScore 37/100, near Waverly (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.