This alert expired on 11 July 2026 at 18:00 UTC. It is kept here as a record.
It is the 15th strongest of the 33 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 11 at 1:33PM EDT until July 11 at 2:00PM EDT by NWS Greenville-Spartanburg SC
An estimated 83,738 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 12, 2026 · score 39 · 6.2 km
- June 27, 2026 · score 43 · 6.9 km
- July 13, 2026 · score 43 · 8.6 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 81 % 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 | 81% |
| Coordinates | 34.5948, -81.8370 |
| Nearest City | Spartanburg (40 km) |
| Population Exposed | 83.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-11T17:33:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Spartanburg, SC; Fairfield, SC; Lexington, SC; Newberry, SC; Richland, SC; Saluda, SC; Spartanburg, SC; Union, SC |
| Headline | Severe Thunderstorm Warning issued July 11 at 1:33PM EDT until July 11 at 2:00PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-07-11T14:00:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.720b6df93d738ed97b3995288cad7c0db311155d.002.1","noaa_urn:oid:2.49.0.1.840.0.cdca7de6826dc5590bea8a2fd600bc35b2311382.001.1","noaa_urn:oid:2.49.0.1.840.0.9fc5041bd302f697f655ef6598f5ea2465a68267.002.1","noaa_urn:oid:2.49.0.1.840.0.04a17beb3a744326cdf34153b6c4309439fdefb9.001.1"] |
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 Spartanburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.