This alert expired on 10 August 2026 at 23:15 UTC. It is kept here as a record.
No stronger detection stands among the 27 recorded within 20 km of this point since 28 May 2026 — 16 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 6:21PM EDT until August 10 at 7:15PM EDT by NWS Charleston SC
An estimated 219,449 people live within 50 km of this point.
Nearby, since 28 May 2026
- August 10, 2026 · score 43 · 11.2 km
- June 29, 2026 · score 43 · 13.4 km
- May 31, 2026 · score 43 · 15.3 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 79 % 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 | 79% |
| Coordinates | 31.7832, -81.1695 |
| Nearest City | Wilmington Island (31 km) |
| Population Exposed | 219.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T22:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2059426482963f7f37c2a0370685ce09 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bryan, GA; Chatham, GA; Liberty, GA; Bryan, GA; Chatham, GA |
| Headline | Severe Thunderstorm Warning issued August 10 at 6:21PM EDT until August 10 at 7:15PM EDT by NWS Charleston SC |
| Expires | 2026-08-10T19:15:00-04:00 |
| SenderName | NWS Charleston SC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2059426482963f7f37c2a0370685ce09b635862b.001.1","noaa_urn:oid:2.49.0.1.840.0.7766b86f6729c803327c0f2c4ce8f6cb9671c680.001.1"] |
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 noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.