This alert expired on 9 March 2026 at 00:15 UTC. It is kept here as a record.
It is the 18th strongest of the 20 detections recorded within 20 km of this point since 8 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 8 at 7:25PM EDT until March 8 at 8:15PM EDT by NWS Charleston SC
Nearby, since 8 March 2026
- March 16, 2026 · score 49 · 14.9 km
- May 7, 2026 · score 43 · 15.1 km
- August 3, 2026 · score 43 · 18.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % 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) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 32.7583, -79.4042 |
| Nearest City | Charlotte (305 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-08T23:25:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Expires | 2026-03-08T20:15:00-04:00 |
| Urgency | Immediate |
| AreaDesc | Coastal waters from South Santee River to Edisto Beach SC out 20 nm; Waters from South Santee River SC to Edisto Beach SC extending from 20 nm to 40 nm |
| Headline | Special Marine Warning issued March 8 at 7:25PM EDT until March 8 at 8:15PM EDT by NWS Charleston SC |
| Certainty | Likely |
| 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 22/100, near Charlotte (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.