This alert expired on 1 June 2026 at 21:30 UTC. It is kept here as a record.
It is the 7th strongest of the 29 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 1 at 4:43PM EDT until June 1 at 5:30PM EDT by NWS Columbia SC
An estimated 27,335 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 13, 2026 · score 34 · 4.4 km
- June 30, 2026 · score 39 · 9.0 km
- June 18, 2026 · score 22 · 10.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 34.0711, -82.6910 |
| Nearest City | Anderson (48 km) |
| Population Exposed | 27.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T20:43:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.28c20bd05ed224e79230b6ffffaf3fb8 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lincoln, GA; McCormick, SC; Elbert, GA; Abbeville, SC; Anderson, SC; Elbert, GA; Hart, GA; Anderson, SC |
| Headline | Severe Thunderstorm Warning issued June 1 at 4:43PM EDT until June 1 at 5:30PM EDT by NWS Columbia SC |
| Expires | 2026-06-01T17:30:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.28c20bd05ed224e79230b6ffffaf3fb8176ae98b.001.1","noaa_urn:oid:2.49.0.1.840.0.2b7eb20d46bd62ea0c72052f1b891998d9e9e709.001.1","noaa_urn:oid:2.49.0.1.840.0.f580deb7a463a1b6fc2a826ccd24680c1bd4961f.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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.