This alert expired on 10 July 2026 at 19:30 UTC. It is kept here as a record.
It is the 52nd strongest of the 198 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 8 July 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 10 at 3:05PM EDT until July 10 at 3:30PM EDT by NWS Charleston SC
An estimated 429,708 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 26, 2026 · score 43 · 2.6 km
- July 10, 2026 · score 43 · 8.2 km
- July 11, 2026 · score 43 · 10.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 81 % 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 | 81% |
| Coordinates | 32.8857, -79.8971 |
| Nearest City | North Charleston (8 km) |
| Population Exposed | 429.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-10T19:05:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7f9442432128f90eb841acd10e2fb0736bd2ac37.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Berkeley, SC; Charleston, SC |
| Headline | Severe Thunderstorm Warning issued July 10 at 3:05PM EDT until July 10 at 3:30PM EDT by NWS Charleston SC |
| Expires | 2026-07-10T15:30:00-04:00 |
| SenderName | NWS Charleston SC |
| HasExactCoords | true |
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, near North Charleston (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.