This alert expired on 28 August 2026 at 19:45 UTC. It is kept here as a record.
It is the 14th strongest of the 49 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 28 at 3:01PM EDT until August 28 at 3:45PM EDT by NWS Greenville-Spartanburg SC
An estimated 95,143 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 28, 2026 · score 39 · 5.4 km
- March 17, 2026 · score 39 · 15.0 km
- March 16, 2026 · score 39 · 15.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 35.6739, -81.5655 |
| Nearest City | Morganton (13 km) |
| Population Exposed | 95.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-28T19:01:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Catawba, NC; Iredell, NC; Lincoln, NC; Burke, NC; McDowell, NC; Rutherford, NC |
| Headline | Severe Thunderstorm Warning issued August 28 at 3:01PM EDT until August 28 at 3:45PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-08-28T15:45:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.093d7202fddb9a2f5c3950b4ab1e9f7e3dd3455d.001.1","noaa_urn:oid:2.49.0.1.840.0.de62e16af0f0cc442c4baa130dffe7e7b54c0ab2.001.1"] |
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 39/100, near Morganton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.