Right now
The most recent data we hold from NOAA arrived 12 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 10 August 2026 at 18:15 UTC. It is kept here as a record.
No stronger detection stands among the 6 recorded within 20 km of this point since 11 May 2026 — one other scored the same. The last comparable one was on 2 July 2026.
What the source measured
NOAA reported: Special Marine Warning issued August 10 at 1:21PM EDT until August 10 at 2:15PM EDT by NWS Wilmington NC
An estimated 87,619 people live within 50 km of this point.
Nearby, since 11 May 2026
- May 11, 2026 · score 39 · 14.5 km
- June 13, 2026 · score 32 · 18.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 80 % 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 33.5240, -78.8500 |
| Nearest City | Myrtle Beach (19 km) |
| Population Exposed | 87.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T17:21:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.23d8277ed39a2330da83b6177673fdc91f92cde7.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM; Coastal waters from Murrells Inlet to South Santee River SC out 20 NM; Waters from Little River Inlet SC to South Santee River SC from 20 to 60 NM |
| Headline | Special Marine Warning issued August 10 at 1:21PM EDT until August 10 at 2:15PM EDT by NWS Wilmington NC |
| Expires | 2026-08-10T14:15:00-04:00 |
| SenderName | NWS Wilmington NC |
| 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 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 near Myrtle Beach?
Calamity.live data shows a weather event with CalamityScore 39/100, near Myrtle Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.