This alert expired on 16 March 2026 at 04:45 UTC. It is kept here as a record.
No stronger detection stands among the 57 recorded within 20 km of this point since 16 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 35 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 16 at 12:10AM EDT until March 16 at 12:45AM EDT by NWS Northern Indiana
An estimated 1,211,177 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 11, 2026 · score 52 · 2.4 km
- July 17, 2026 · score 52 · 9.7 km
- July 11, 2026 · score 52 · 13.3 km
How we know
Confirmed by 12 independent sources, including NOAA.
Our own score for this event is 58 out of 100, at 87 % 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 | High |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 87% |
| Coordinates | 36.2800, -87.0080 |
| Nearest City | Nashville (24 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-16T04:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.38ba03a521bf7860ee70f7864b65fb53 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hillsdale, MI; Blackford, IN; Grant, IN; Huntington, IN; Jay, IN; Wells, IN; Dearborn, IN; Fayette, IN; Franklin, IN; Ripley, IN; Union, IN; Wayne, IN; Butler, OH; Darke, OH; Preble, OH and 22 more areas |
| Headline | Severe Thunderstorm Warning issued March 16 at 12:10AM EDT until March 16 at 12:45AM EDT by NWS Northern Indiana |
| Expires | 2026-03-16T00:45:00-04:00 |
| SenderName | NWS Northern Indiana |
| HasExactCoords | true |
| MergedCount | 25 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.38ba03a521bf7860ee70f7864b65fb53e94e96dd.001.1","noaa_urn:oid:2.49.0.1.840.0.805e405b9e41f8558ca6336fd4595736c6f55912.001.1","noaa_urn:oid:2.49.0.1.840.0.f076468e3b5aab894a330de910fffdb3d243facb.001.1","noaa_urn:oid:2.49.0.1.840.0.a329cf88b7f41f11e1565cf54181743430d5168f.001.1","noaa_urn:oid:2.49.0.1.840.0.593c61285a7c3c1b3acfc0f2e6ab0101405db5be.001.1","noaa_urn:oid:2.49.0.1.840.0.6121b3d0e002deb2ee177e9e710c5983453b8444.001.1","noaa_urn:oid:2.49.0.1.840.0.9a3ffa8d079cd7ff2a76ee44bb067382cb427328.002.1","noaa_urn:oid:2.49.0.1.840.0.d138c141b69bb672f48bcc4239cc2c50d0da81a5.001.1","noaa_urn:oid:2.49.0.1.840.0.05e5632cd318d8ee71841843305df0edabfd910e.002.1","noaa_urn:oid:2.49.0.1.840.0.5d37223d90212fc98c2f3faa78a66383f5f4c248.001.1","noaa_urn:oid:2.49.0.1.840.0.60d71309527450bb1ffe86980d323c2042b732a5.002.1","noaa_urn:oid:2.49.0.1.840.0.62fb37d024139b3006c76fe9dd04d2d1d34b221d.001.1","noaa_urn:oid:2.49.0.1.840.0.54247d216fdf7673cedda8c9067444ed52fd588b.001.1","noaa_urn:oid:2.49.0.1.840.0.608e0a10a8a23efe8827fae6d254faa5032e127e.001.1","noaa_urn:oid:2.49.0.1.840.0.65821fe0bf274112f524482fa3f7a3424ad3620d.002.1","noaa_urn:oid:2.49.0.1.840.0.97c4e739a09a7737a4af7cf2e732491f98a11335.001.1","noaa_urn:oid:2.49.0.1.840.0.bd4dbb3a900895e9218582b5c79de7ea3fa0e463.002.1","noaa_urn:oid:2.49.0.1.840.0.6a0dd56d4069758d5055e3fffe0b606a3d36d243.001.1","noaa_urn:oid:2.49.0.1.840.0.4de4de1ac8a2b0f47311b336c03e8e5f3d08c97d.001.1","noaa_urn:oid:2.49.0.1.840.0.9b37312666ae9b8e665582675c41c8f708573a51.001.1","noaa_urn:oid:2.49.0.1.840.0.3def048ed66bb2faf2f6ea5817bef56e62e438ae.001.1","noaa_urn:oid:2.49.0.1.840.0.81e22e6df48035dd49cd57777c0f1e8240402129.001.1","noaa_urn:oid:2.49.0.1.840.0.4fde0703d7509863c0224bf8f8ac7c3d2e90339d.002.1","noaa_urn:oid:2.49.0.1.840.0.86e0d73ea5681d0de32f998996463dd47bdb71b7.002.1","noaa_urn:oid:2.49.0.1.840.0.86859276a55dbd87504671c0f069aecff1fecfb9.002.1"] |
| Spc ReportType | hail |
| Spc Speed | 125 |
| Spc Location | 1 W Dickson |
| Spc County | Dickson |
| Spc State | TN |
| Spc Comments | Report from mPING: Half Dollar (1.25 in.). (OHX) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | 1 W Dickson |
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 Nashville?
Calamity.live data shows a weather event with CalamityScore 58/100, near Nashville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.