This alert expired on 11 August 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 124 recorded within 20 km of this point since 16 March 2026 — 16 others scored the same. 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 August 11 at 5:54PM EDT until August 11 at 6:45PM EDT by NWS Greenville-Spartanburg SC
An estimated 1,339,950 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 17, 2026 · score 52 · 4.2 km
- March 16, 2026 · score 52 · 4.2 km
- August 28, 2026 · score 52 · 8.3 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 89 % 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) | 52 / 100 |
| Our confidence | 89% |
| Coordinates | 35.4273, -80.3778 |
| Nearest City | Albemarle (18 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T22:22:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cleveland, NC; Rutherford, NC; Cherokee, SC; Spartanburg, SC; Alexander, NC; Burke, NC; Cabarrus, NC; Caldwell, NC; Catawba, NC; Davie, NC; Iredell, NC; Lincoln, NC; Mecklenburg, NC; Rowan, NC; Cumberland, NC; Harnett, NC; Sampson, NC |
| Headline | Severe Thunderstorm Warning issued August 11 at 5:54PM EDT until August 11 at 6:45PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-08-11T18:45:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.678aec728e9f1b7087da5117722f0d579d880a91.001.1","noaa_urn:oid:2.49.0.1.840.0.3d7f56171dd4b14c87859b8d40017185092acc79.001.1","noaa_urn:oid:2.49.0.1.840.0.9b12382588f3db1cd09b8f278c181a4b1c65e5d3.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 N Turnersburg |
| Iem County | Iredell |
| Iem State | NC |
| Iem Wfo | GSP |
| Iem Remark | Trees down on road. |
| MergedSources | [{"id":"iem_D_35.960_-80.780_1786482900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786482900000,"latitude":35.96,"longitude":-80.78},{"id":"iem_D_35.950_-80.800_1786482900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786482900000,"latitude":35.95,"longitude":-80.8},{"id":"iem_D_35.940_-80.810_1786482000000","source":"iem","severity":"low","severityValue":25,"timestamp":1786482000000,"latitude":35.94,"longitude":-80.81}] |
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 52/100, near Albemarle (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.