This alert expired on 12 March 2026 at 14:15 UTC. It is kept here as a record.
It is the strongest of the 22 detections recorded within 20 km of this point since 12 March 2026.
What the source measured
NOAA reported: Tornado Warning issued March 12 at 9:52AM EDT until March 12 at 10:15AM EDT by NWS Columbia SC
An estimated 245,513 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 1, 2026 · score 43 · 10.0 km
- July 29, 2026 · score 43 · 12.8 km
- July 28, 2026 · score 43 · 12.8 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 | 33.7477, -81.3236 |
| Nearest City | Lexington (27 km) |
| Population Exposed | 245.5K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-12T13:52:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lexington, SC; Richland, SC; Allendale, SC; Fairfield, SC; Lexington, SC; Newberry, SC; Richland, SC |
| Headline | Tornado Warning issued March 12 at 9:52AM EDT until March 12 at 10:15AM EDT by NWS Columbia SC |
| Expires | 2026-03-12T10:15:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b3eda7f80196747ac2791e5ff5c4071d7c024c02.001.1","noaa_urn:oid:2.49.0.1.840.0.90147bf78a751dd0de8036454c1c2d468a505e61.001.1","noaa_urn:oid:2.49.0.1.840.0.2d7401dc191bdbdbc48b79c7937ae4ea1d2b1db5.001.1"] |
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 Lexington (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.