Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 11 September 2026 at 23:15 UTC. It is kept here as a record.
It is the 9th strongest of the 30 detections recorded within 20 km of this point since 23 May 2026. The last comparable one was on 7 September 2026. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 11 at 6:36PM EDT until September 11 at 7:15PM EDT by NWS Columbia SC
An estimated 214,909 people live within 50 km of this point.
Nearby, since 23 May 2026
- July 14, 2026 · score 43 · 12.3 km
- August 1, 2026 · score 43 · 13.8 km
- August 5, 2026 · score 37 · 16.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 37 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 91% |
| Coordinates | 34.2980, -81.2140 |
| Nearest City | Seven Oaks (28 km) |
| Population Exposed | 214.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-11T22:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.3bd4f3f12eb958dcf4bd9128c2ec2f01131c21cd.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fairfield, SC; Lexington, SC; Newberry, SC; Richland, SC |
| Headline | Severe Thunderstorm Warning issued September 11 at 6:36PM EDT until September 11 at 7:15PM EDT by NWS Columbia SC |
| Expires | 2026-09-11T19:15:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 NW Lugoff |
| Spc County | Kershaw |
| Spc State | SC |
| Spc Comments | CAD report of tree blocking the roadway near the intersection of Kellytown Road and US-1 in Lugoff. (CAE) |
| Iem TypeSummary | D |
| Iem City | 5 N Elgin |
| Iem County | Kershaw |
| Iem State | SC |
| Iem Wfo | CAE |
| Iem Remark | CAD report of a tree blocking half the road near the intersection of Gettys Road and Highway 12 in Elgin. |
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.
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