This alert expired on 11 August 2026 at 00:15 UTC. It is kept here as a record.
It is the 15th strongest of the 41 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 2 August 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 7:19PM EDT until August 10 at 8:15PM EDT by NWS Greenville-Spartanburg SC
An estimated 42,781 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 14, 2026 · score 43 · 4.2 km
- July 11, 2026 · score 34 · 5.9 km
- July 2, 2026 · score 43 · 7.4 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 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) | 34 / 100 |
| Our confidence | 78% |
| Coordinates | 34.3072, -82.9831 |
| Nearest City | Anderson (37 km) |
| Population Exposed | 42.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T23:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.19a6a5b0ea0cad6806e5773f93c5b5b6 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Greenville, SC; Laurens, SC; Barrow, GA; Walton, GA |
| Headline | Severe Thunderstorm Warning issued August 10 at 7:19PM EDT until August 10 at 8:15PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-08-10T20:15:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.19a6a5b0ea0cad6806e5773f93c5b5b68c99c346.001.1","noaa_urn:oid:2.49.0.1.840.0.542a8781ded7e216cd4a44102eafff9ade21ec2e.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.