Reported by IEM 3 days ago.
No stronger detection stands among the 22 recorded within 20 km of this point since 12 March 2026 — 11 others scored the same. The last comparable one was on 21 August 2026.
What the source measured
IEM reported: Lancaster county reported several flooded roads in the panhandle along 521.
An estimated 1,200,673 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 10, 2026 · score 52 · 8.2 km
- July 10, 2026 · score 52 · 8.5 km
- July 10, 2026 · score 52 · 8.9 km
How we know
Confirmed by 2 independent sources, including IEM.
Our own score for this event is 52 out of 100, at 71 % 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 | 71% |
| Coordinates | 34.9500, -80.8500 |
| Nearest City | Rock Hill (17 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-28T02:13:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | F |
| City | 3 S Indian Land |
| County | Lancaster |
| State | SC |
| Wfo | CAE |
| Remark | Lancaster county reported several flooded roads in the panhandle along 521. |
| Google News RssFeed | weather |
| Google News SourceName | Charlotte Observer |
| MergedSources | [{"id":"gnews_weather_496630_304","source":"google_news","severity":"medium","severityValue":40,"timestamp":1787871547000,"latitude":35.23,"longitude":-80.84}] |
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 52/100, near Rock Hill (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.