Reported by SPC today.
It is the 38th strongest of the 114 detections recorded within 20 km of this point since 9 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
SPC reported: Wind UNK kt near 1 N North Tonawanda, Niagara, NY. Multiple reports of trees down blocking the roadway across the city. (BUF)
An estimated 1,083,910 people live within 50 km of this point.
Nearby, since 9 March 2026
- September 3, 2026 · score 46 · 0.0 km
- June 17, 2026 · score 46 · 0.9 km
- July 21, 2026 · score 52 · 5.3 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 46 out of 100, at 83 % 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 | 83% |
| Coordinates | 43.0500, -78.8700 |
| Nearest City | North Tonawanda (1 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T04:46:22.163Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 N North Tonawanda |
| County | Niagara |
| State | NY |
| Comments | Multiple reports of trees down blocking the roadway across the city. (BUF) |
| Iem TypeSummary | D |
| Iem City | 1 N North Tonawanda |
| Iem County | Niagara |
| Iem State | NY |
| Iem Wfo | BUF |
| Iem Remark | Multiple reports of trees down blocking the roadway across the city. |
| MergedSources | [{"id":"iem_D_43.020_-78.770_1788389880000","source":"iem","severity":"low","severityValue":25,"timestamp":1788389880000,"latitude":43.02,"longitude":-78.77},{"id":"iem_D_43.050_-78.870_1788389760000","source":"iem","severity":"low","severityValue":25,"timestamp":1788389760000,"latitude":43.05,"longitude":-78.87}] |
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 North Tonawanda?
Calamity.live data shows a weather event with CalamityScore 46/100, near North Tonawanda (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.