Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 6 June 2026 at 22:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 123 detections recorded within 20 km of this point since 27 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 6 at 6:29PM EDT until June 6 at 6:45PM EDT by NWS Wilmington OH
An estimated 1,215,672 people live within 50 km of this point.
Nearby, since 27 March 2026
- July 10, 2026 · score 52 · 16.9 km
- September 10, 2026 · score 46 · 18.3 km
- September 9, 2026 · score 46 · 18.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 40.3677, -83.1118 |
| Nearest City | Delaware (8 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T22:29:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.5167591868f86fe5efbdaf725d3eff38 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butler, OH; Montgomery, OH; Preble, OH; Clark, OH; Fayette, OH; Greene, OH; Madison, OH; Erie, OH; Huron, OH; Lorain, OH and 2 more areas |
| Headline | Severe Thunderstorm Warning issued June 6 at 6:29PM EDT until June 6 at 6:45PM EDT by NWS Wilmington OH |
| Expires | 2026-06-06T18:45:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5167591868f86fe5efbdaf725d3eff3888546def.001.1","noaa_urn:oid:2.49.0.1.840.0.25d87e3999bae3ec7a24a4e6d1e77a7ba073b61e.001.1","noaa_urn:oid:2.49.0.1.840.0.73647bd3437f9cc4d2fbd0d8433272b15340da37.001.1","noaa_urn:oid:2.49.0.1.840.0.90c65a0c55b1be76a7c09f8910f3b21197fdf703.001.1","noaa_urn:oid:2.49.0.1.840.0.97563e47e52a9ae746a276980821c07a04d13f2d.001.1"] |
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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