This alert expired on 10 July 2026 at 22:00 UTC. It is kept here as a record.
No stronger detection stands among the 27 recorded within 20 km of this point since 27 June 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 10 at 5:08PM EDT until July 10 at 6:00PM EDT by NWS Greenville-Spartanburg SC
An estimated 1,126,130 people live within 50 km of this point.
Nearby, since 27 June 2026
- July 12, 2026 · score 52 · 8.0 km
- June 28, 2026 · score 43 · 10.6 km
- June 27, 2026 · score 52 · 15.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 34.8216, -80.6223 |
| Nearest City | Monroe (20 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-10T21:08:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Anderson, SC; Oconee, SC; Pickens, SC; Anderson, SC; Greenville, SC; Oconee, SC; Pickens, SC; Chesterfield, SC; Fairfield, SC; Kershaw, SC; Lancaster, SC and 9 more areas |
| Headline | Severe Thunderstorm Warning issued July 10 at 5:08PM EDT until July 10 at 6:00PM EDT by NWS Greenville-Spartanburg SC |
| Expires | 2026-07-10T18:00:00-04:00 |
| SenderName | NWS Greenville-Spartanburg SC |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3c31f2207427319513df844fd91b1889645099b3.001.1","noaa_urn:oid:2.49.0.1.840.0.9b1b95ea2e0e3209b480cad9e66129065f68f657.001.1","noaa_urn:oid:2.49.0.1.840.0.4bfb3f0a74000d0dee5c0f8e084b57a7760791b6.001.1","noaa_urn:oid:2.49.0.1.840.0.b575e1d26c72bb6f280b8cf502543e9f2b6d1078.001.1","noaa_urn:oid:2.49.0.1.840.0.058329eb3dc804475a54fd29d36b141e20dc3e2b.001.1","noaa_urn:oid:2.49.0.1.840.0.b931c034b466ce55989cf911d8f64e93dad73fe2.001.1","noaa_urn:oid:2.49.0.1.840.0.4b1eee26d82435d177189aae49623d4e2bbcd415.001.1","noaa_urn:oid:2.49.0.1.840.0.253e0215bc8b720f2ad85caa703560da0f0ef670.001.1","noaa_urn:oid:2.49.0.1.840.0.5aa0c5df7f80e7d8d030f81b97a99913813fccd7.002.1","noaa_urn:oid:2.49.0.1.840.0.6cdee9ea6a7e7af6271c3794c2200087007b270c.001.1","noaa_urn:oid:2.49.0.1.840.0.3bfddb1b3280c7a4d9a2565050fca1a1a60ed5e5.001.1","noaa_urn:oid:2.49.0.1.840.0.952798f46d1bc0a75d19df126b9e09616349388a.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 52/100, near Monroe (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.