This alert expired on 23 June 2026 at 01:15 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 30 April 2026 — 5 others scored the same. The last comparable one was on 18 June 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 22 at 8:38PM EDT until June 22 at 9:15PM EDT by NWS Columbia SC
An estimated 132,380 people live within 50 km of this point.
Nearby, since 30 April 2026
- August 10, 2026 · score 43 · 4.0 km
- June 18, 2026 · score 43 · 12.6 km
- July 12, 2026 · score 43 · 16.1 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 78 % 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 | 78% |
| Coordinates | 33.5500, -81.5900 |
| Nearest City | Aiken (12 km) |
| Population Exposed | 132.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T00:38:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Aiken, SC |
| Headline | Severe Thunderstorm Warning issued June 22 at 8:38PM EDT until June 22 at 9:15PM EDT by NWS Columbia SC |
| Expires | 2026-06-22T21:15:00-04:00 |
| 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 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.