Reported by SPC today.
It is the 9th strongest of the 40 detections recorded within 20 km of this point since 27 March 2026. The last comparable one was on 3 September 2026.
What the source measured
SPC reported: Wind UNK kt near 4 SE Fostoria, Seneca, OH. Several tress and poles down in the western portion of Seneca County. (CLE)
An estimated 106,379 people live within 50 km of this point.
Nearby, since 27 March 2026
- August 10, 2026 · score 43 · 12.0 km
- September 4, 2026 · score 37 · 15.9 km
- June 14, 2026 · score 43 · 17.5 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 37 out of 100, at 90 % 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 | 90% |
| Coordinates | 41.1300, -83.3500 |
| Nearest City | Tiffin (14 km) |
| Population Exposed | 106.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T00:21:07.905Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 4 SE Fostoria |
| County | Seneca |
| State | OH |
| Comments | Several tress and poles down in the western portion of Seneca County. (CLE) |
| Iem TypeSummary | D |
| Iem City | 3 N Sycamore |
| Iem County | Wyandot |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Medium-sized tree covering part of OH-231 and CR-9. |
| MergedSources | [{"id":"iem_D_41.210_-83.160_1788472500000","source":"iem","severity":"low","severityValue":25,"timestamp":1788472500000,"latitude":41.21,"longitude":-83.16},{"id":"iem_D_41.130_-83.350_1788473160000","source":"iem","severity":"low","severityValue":25,"timestamp":1788473160000,"latitude":41.13,"longitude":-83.35},{"id":"iem_D_40.990_-83.170_1788475140000","source":"iem","severity":"low","severityValue":25,"timestamp":1788475140000,"latitude":40.99,"longitude":-83.17}] |
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 Tiffin?
Calamity.live data shows a weather event with CalamityScore 37/100, near Tiffin (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.