This alert expired on 13 July 2026 at 00:00 UTC. It is kept here as a record.
It is the 4th strongest of the 21 detections recorded within 20 km of this point since 12 March 2026. The last comparable one was on 11 July 2026. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 12 at 7:33PM EDT until July 12 at 8:00PM EDT by NWS Columbia SC
Nearby, since 12 March 2026
- March 12, 2026 · score 43 · 6.1 km
- July 11, 2026 · score 22 · 7.0 km
- August 2, 2026 · score 22 · 7.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 33.5280, -80.8300 |
| Nearest City | Columbia (56 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-12T23:33:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Calhoun, SC; Orangeburg, SC |
| Headline | Severe Thunderstorm Warning issued July 12 at 7:33PM EDT until July 12 at 8:00PM EDT by NWS Columbia SC |
| Expires | 2026-07-12T20:00:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
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 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 22/100, near Columbia (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.