Right now
The most recent data we hold from SPC arrived 9 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
65 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by SPC today.
It is the 48th strongest of the 101 detections recorded within 20 km of this point since 27 June 2026. The last comparable one was on 6 September 2026.
What the source measured
SPC reported: Wind UNK kt near 4 NNW Princeton, Greenville, SC. Multiple trees down on power lines and utility equipment across far southern Greenville County... especially in the McKelvey Crossroads area. (GSP)
An estimated 267,860 people live within 50 km of this point.
Nearby, since 27 June 2026
- September 7, 2026 · score 37 · 0.0 km
- September 6, 2026 · score 37 · 0.0 km
- September 6, 2026 · score 49 · 12.0 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 37 out of 100, at 88 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 88% |
| Coordinates | 34.5500, -82.3200 |
| Nearest City | Simpsonville (22 km) |
| Population Exposed | 267.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-07T00:08:51.141Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 4 NNW Princeton |
| County | Greenville |
| State | SC |
| Comments | Multiple trees down on power lines and utility equipment across far southern Greenville County... especially in the McKelvey Crossroads area. (GSP) |
| Iem TypeSummary | D |
| Iem City | 4 NNW Princeton |
| Iem County | Greenville |
| Iem State | SC |
| Iem Wfo | GSP |
| Iem Remark | Multiple trees down on power lines and utility equipment across far southern Greenville County, especially in the McKelvey Crossroads area. |
| MergedSources | [{"id":"iem_D_34.550_-82.320_1788725940000","source":"iem","severity":"low","severityValue":25,"timestamp":1788725940000,"latitude":34.55,"longitude":-82.32}] |
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 8 March 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.
Want to know when something happens near Simpsonville?
Calamity.live data shows a weather event with CalamityScore 37/100, near Simpsonville (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.