This alert expired on 12 June 2026 at 05:03 UTC. It is kept here as a record.
It is the 5th strongest of the 30 detections recorded within 20 km of this point since 26 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 12 at 12:53AM EDT until June 12 at 1:00AM EDT by NWS Northern Indiana
An estimated 413,542 people live within 50 km of this point.
Nearby, since 26 March 2026
- August 10, 2026 · score 43 · 15.0 km
- July 3, 2026 · score 43 · 19.6 km
- August 10, 2026 · score 67 · 20.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 41.2418, -83.6741 |
| Nearest City | Bowling Green (14 km) |
| Population Exposed | 413.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T04:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2947fa915c9405fa12dc68fe11b3c1be |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fulton, OH; Champaign, OH; Clark, OH; Lucas, OH; Ottawa, OH; Sandusky, OH; Wood, OH and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 12 at 12:53AM EDT until June 12 at 1:00AM EDT by NWS Northern Indiana |
| Expires | 2026-06-12T01:03:00-04:00 |
| SenderName | NWS Northern Indiana |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2947fa915c9405fa12dc68fe11b3c1be5a18aaa9.001.1","noaa_urn:oid:2.49.0.1.840.0.b2bfaccf513c27034d90fa13208281f8aea19dff.001.1","noaa_urn:oid:2.49.0.1.840.0.043db2650c48b83534dc11d7f15c3dc951e80734.001.1","noaa_urn:oid:2.49.0.1.840.0.17bbadfb2ea9e23138f0f72844d90da948e76d06.001.1","noaa_urn:oid:2.49.0.1.840.0.f7e1ff7b80655dcc9d3dc23b7708a1a87234e47f.001.1","noaa_urn:oid:2.49.0.1.840.0.05c900680f06996193de25d7879dcb9d38b32f64.001.1"] |
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.
Want to know when something happens near Bowling Green?
Calamity.live data shows a weather event with CalamityScore 43/100, near Bowling Green (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.