Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
14 other detections within 20 km in the last 24 hours, the nearest 20 km from here.
This alert expired on 7 July 2026 at 00:45 UTC. It is kept here as a record.
It is the 17th strongest of the 37 detections recorded within 20 km of this point since 6 July 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 6 at 7:56PM EDT until July 6 at 8:45PM EDT by NWS Columbia SC
An estimated 48,848 people live within 50 km of this point.
Nearby, since 6 July 2026
- July 7, 2026 · score 43 · 7.6 km
- August 27, 2026 · score 34 · 8.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 91 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 91% |
| Coordinates | 33.3386, -80.3614 |
| Nearest City | Summerville (39 km) |
| Population Exposed | 48.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T23:56:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.592722c2f7fe06bce98ffdcf5f20926452692c26.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clarendon, SC; Orangeburg, SC |
| Headline | Severe Thunderstorm Warning issued July 6 at 7:56PM EDT until July 6 at 8:45PM EDT by NWS Columbia SC |
| Expires | 2026-07-06T20:45:00-04:00 |
| SenderName | NWS Columbia SC |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 4 W Jamestown |
| Iem County | Berkeley |
| Iem State | SC |
| Iem Wfo | CHS |
| Iem Remark | Berkeley County Emergency Management reported a tree down near the intersection of Highway 45 and Highway 17A. |
| MergedSources | [{"id":"iem_D_33.190_-79.940_1783378200000","source":"iem","severity":"low","severityValue":25,"timestamp":1783378200000,"latitude":33.19,"longitude":-79.94},{"id":"iem_D_33.290_-79.760_1783377900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783377900000,"latitude":33.29,"longitude":-79.76}] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.