Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, 5 km from here.
This alert expired on 10 September 2026 at 02:45 UTC. It is kept here as a record.
It is the 6th strongest of the 9 detections recorded within 20 km of this point since 11 July 2026. The last comparable one was on 10 August 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 9 at 10:12PM EDT until September 9 at 10:45PM EDT by NWS Wilmington OH
An estimated 61,115 people live within 50 km of this point.
Nearby, since 11 July 2026
- September 10, 2026 · score 37 · 5.2 km
- July 11, 2026 · score 52 · 18.7 km
- July 21, 2026 · score 63 · 19.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 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) | 32 / 100 |
| Our confidence | 81% |
| Coordinates | 39.4420, -83.0800 |
| Nearest City | Chillicothe (15 km) |
| Population Exposed | 61.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T02:12:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a92e37ea5fda5e6b684ce8212f5eda19c5e8c79d.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Pickaway, OH; Ross, OH |
| Headline | Severe Thunderstorm Warning issued September 9 at 10:12PM EDT until September 9 at 10:45PM EDT by NWS Wilmington OH |
| Expires | 2026-09-09T22:45:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
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.
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