Reported by SPC today.
It is the 36th strongest of the 75 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 3 September 2026.
What the source measured
SPC reported: Wind UNK kt near 1 S Catawba Island, Ottawa, OH. Couple trees downed on Catawba Island. (CLE)
An estimated 58,336 people live within 50 km of this point.
Nearby, since 12 March 2026
- September 4, 2026 · score 32 · 0.0 km
- August 2, 2026 · score 39 · 2.1 km
- July 28, 2026 · score 39 · 2.4 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 32 out of 100, at 88 % 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) | 32 / 100 |
| Our confidence | 88% |
| Coordinates | 41.5700, -82.8400 |
| Nearest City | Sandusky (17 km) |
| Population Exposed | 58.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T02:41:51.258Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 S Catawba Island |
| County | Ottawa |
| State | OH |
| Comments | Couple trees downed on Catawba Island. (CLE) |
| Iem TypeSummary | G |
| Iem Magnitude | 53 |
| Iem Unit | MPH |
| Iem City | 1 SSW South Bass Island |
| Iem County | Ottawa |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Mesonet station SBIO1 9 NE Port Clinton. |
| MergedSources | [{"id":"iem_D_41.570_-82.840_1788470820000","source":"iem","severity":"low","severityValue":25,"timestamp":1788470820000,"latitude":41.57,"longitude":-82.84},{"id":"iem_M_41.490_-82.700_1788470700000","source":"iem","severity":"low","severityValue":25,"timestamp":1788470700000,"latitude":41.49,"longitude":-82.7},{"id":"iem_G_41.630_-82.840_1788471000000","source":"iem","severity":"low","severityValue":25,"timestamp":1788471000000,"latitude":41.63,"longitude":-82.84}] |
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 Sandusky?
Calamity.live data shows a weather event with CalamityScore 32/100, near Sandusky (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.