This alert expired on 10 August 2026 at 18:15 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 18 June 2026 — 7 others scored the same. The last comparable one was on 6 August 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 1:36PM EDT until August 10 at 2:15PM EDT by NWS Columbia SC
An estimated 132,380 people live within 50 km of this point.
Nearby, since 18 June 2026
- June 23, 2026 · score 43 · 4.0 km
- June 18, 2026 · score 43 · 15.8 km
- July 12, 2026 · score 43 · 18.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 80 % 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 33.5738, -81.5569 |
| Nearest City | Aiken (15 km) |
| Population Exposed | 132.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T17:36:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Columbia, GA; McDuffie, GA; Richmond, GA; Aiken, SC; Edgefield, SC; Calhoun, SC; Clarendon, SC; Lexington, SC; Orangeburg, SC; Richland, SC; Sumter, SC |
| Headline | Severe Thunderstorm Warning issued August 10 at 1:36PM EDT until August 10 at 2:15PM EDT by NWS Columbia SC |
| Expires | 2026-08-10T14:15:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.83ec9151eb113940709981ca36acbdb5f941fedc.001.1","noaa_urn:oid:2.49.0.1.840.0.3c58954e2ca8eade6ecf40a078e2911723ad153a.001.1"] |
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 43/100, near Aiken (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.