This alert expired on 6 August 2026 at 23:15 UTC. It is kept here as a record.
It is the 11th strongest of the 27 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 6 at 7:05PM EDT until August 6 at 7:15PM EDT by NWS Greenville-Spartanburg SC
An estimated 198,185 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 29, 2026 · score 43 · 9.3 km
- June 11, 2026 · score 37 · 9.9 km
- July 29, 2026 · score 37 · 12.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 35.2100, -82.2400 |
| Nearest City | Greer (30 km) |
| Population Exposed | 198.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-06T23:05:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.72e7355d07135f7d591e270d6951a2437992f790.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Henderson, NC; Polk, NC; Greenville, SC |
| Headline | Severe Thunderstorm Warning issued August 6 at 7:05PM EDT until August 6 at 7:15PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-08-06T19:15:00-04:00 |
| SenderName | NWS Greenville-Spartanburg 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 37/100, near Greer (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.