This alert expired on 12 March 2026 at 14:19 UTC. It is kept here as a record.
It is the strongest of the 64 detections recorded within 20 km of this point since 12 March 2026.
What the source measured
NOAA reported: Tornado Warning issued March 12 at 10:09AM EDT until March 12 at 10:15AM EDT by NWS Columbia SC
An estimated 214,909 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 11, 2026 · score 43 · 2.6 km
- July 6, 2026 · score 43 · 3.1 km
- July 6, 2026 · score 43 · 6.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 67 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 78% |
| Coordinates | 34.1097, -81.1318 |
| Nearest City | Seven Oaks (7 km) |
| Population Exposed | 214.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-12T14:09:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fairfield, SC; Richland, SC; Lexington, SC; Richland, SC |
| Headline | Tornado Warning issued March 12 at 10:09AM EDT until March 12 at 10:15AM EDT by NWS Columbia SC |
| Expires | 2026-03-12T10:19:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a7c92f127b79863627a7f90e37f2017e91376c1b.001.1","noaa_urn:oid:2.49.0.1.840.0.301b93985b49de967561311976efded816f6018e.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 10 February 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.
Calamity.live data shows a weather event with CalamityScore 67/100, near Seven Oaks (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.