Reported by SPC today.
It is the 43rd strongest of the 122 detections recorded within 20 km of this point since 9 March 2026. The last comparable one was on 2 September 2026.
What the source measured
SPC reported: Wind UNK kt near 1 N Amherst, Erie, NY. Tree on house. (BUF)
An estimated 1,098,920 people live within 50 km of this point.
Nearby, since 9 March 2026
- September 3, 2026 · score 46 · 0.0 km
- August 3, 2026 · score 52 · 4.4 km
- July 1, 2026 · score 52 · 7.4 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 46 out of 100, at 84 % 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 | 84% |
| Coordinates | 43.0200, -78.7700 |
| Nearest City | Amherst (5 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T01:40:05.975Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 N Amherst |
| County | Erie |
| State | NY |
| Comments | Tree on house. (BUF) |
| Iem TypeSummary | D |
| Iem City | 1 N Amherst |
| Iem County | Erie |
| Iem State | NY |
| Iem Wfo | BUF |
| Iem Remark | Tree on house. |
| MergedSources | [{"id":"iem_D_43.020_-78.770_1788389880000","source":"iem","severity":"low","severityValue":25,"timestamp":1788389880000,"latitude":43.02,"longitude":-78.77}] |
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 Amherst?
Calamity.live data shows a weather event with CalamityScore 46/100, near Amherst (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.