This alert expired on 10 August 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 77 recorded within 20 km of this point since 16 March 2026 — 11 others scored the same. The last comparable one was on 8 August 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 6:05PM EDT until August 10 at 6:45PM EDT by NWS Charleston SC
An estimated 280,390 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 24, 2026 · score 43 · 11.8 km
- August 11, 2026 · score 43 · 13.1 km
- August 11, 2026 · score 43 · 14.4 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 85 % 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 | 85% |
| Coordinates | 32.1594, -80.9106 |
| Nearest City | Bluffton (10 km) |
| Population Exposed | 280.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T22:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7766b86f6729c803327c0f2c4ce8f6cb |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bryan, GA; Chatham, GA; Beaufort, SC |
| Headline | Severe Thunderstorm Warning issued August 10 at 6:05PM EDT until August 10 at 6:45PM EDT by NWS Charleston SC |
| Expires | 2026-08-10T18:45:00-04:00 |
| SenderName | NWS Charleston SC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7766b86f6729c803327c0f2c4ce8f6cb9671c680.001.1","noaa_urn:oid:2.49.0.1.840.0.0d05cbec5aa33bf5b54b5a2f2591762cf330dc5b.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 S Hendersonville |
| Iem County | Colleton |
| Iem State | SC |
| Iem Wfo | CHS |
| Iem Remark | The emergency manager reported a tree and power line down along Browntown Lane, not far away from the intersection of Julius Lane. Time estimated from radar and appears to be due to outflow. |
| MergedSources | [{"id":"iem_D_32.780_-80.730_1786390200000","source":"iem","severity":"low","severityValue":25,"timestamp":1786390200000,"latitude":32.78,"longitude":-80.73}] |
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.
Want to know when something happens near Bluffton?
Calamity.live data shows a weather event with CalamityScore 43/100, near Bluffton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.