Reported by SPC 168 days ago.
No stronger detection stands among the 20 recorded within 20 km of this point since 13 March 2026 — 12 others scored the same. The last comparable one was on 13 March 2026. 5 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 2 WSW Johnston, Edgefield, SC. Edgefield dept. of highways reported trees down on Blanch Baptist Rd. Time estimated by radar. (CAE)
An estimated 161,391 people live within 50 km of this point.
Nearby, since 13 March 2026
- March 17, 2026 · score 43 · 0.0 km
- August 6, 2026 · score 43 · 7.4 km
- March 13, 2026 · score 43 · 19.0 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 43 out of 100, at 90 % 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 33.8300, -81.8400 |
| Nearest City | Aiken (32 km) |
| Population Exposed | 161.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T13:43:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 2 WSW Johnston |
| County | Edgefield |
| State | SC |
| Comments | Edgefield dept. of highways reported trees down on Blanch Baptist Rd. Time estimated by radar. (CAE) |
| Iem TypeSummary | D |
| Iem City | 2 WSW Johnston |
| Iem County | Edgefield |
| Iem State | SC |
| Iem Wfo | CAE |
| Iem Remark | Edgefield dept. of highways reported trees down on Blanch Baptist Rd. Time estimated by radar. |
| MergedSources | [{"id":"iem_D_33.830_-81.840_1773668580000","source":"iem","severity":"low","severityValue":25,"timestamp":1773668580000,"latitude":33.83,"longitude":-81.84}] |
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 43/100 (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.