This alert expired on 10 August 2026 at 20:30 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 9 March 2026 — 15 others scored the same. The last comparable one was on 7 July 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 3:29PM EDT until August 10 at 4:30PM EDT by NWS Wilmington NC
An estimated 87,619 people live within 50 km of this point.
Nearby, since 9 March 2026
- June 14, 2026 · score 39 · 4.7 km
- June 14, 2026 · score 39 · 14.1 km
- March 9, 2026 · score 22 · 17.5 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 | 33.8737, -78.8604 |
| Nearest City | North Myrtle Beach (18 km) |
| Population Exposed | 87.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T19:29:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.e03e08061aad3665670d429539876821 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Georgetown, SC; Dillon, SC; Horry, SC; Marion, SC; Brunswick, NC; New Hanover, NC; Pender, NC |
| Headline | Severe Thunderstorm Warning issued August 10 at 3:29PM EDT until August 10 at 4:30PM EDT by NWS Wilmington NC |
| Expires | 2026-08-10T16:30:00-04:00 |
| SenderName | NWS Wilmington NC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e03e08061aad3665670d42953987682135fa5075.001.1","noaa_urn:oid:2.49.0.1.840.0.16e70db14b9b680df659dddb93b8754a2c7d30e4.001.1","noaa_urn:oid:2.49.0.1.840.0.9c02fd669f5c3f2073ba87c8938161db166289af.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 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 North Myrtle Beach?
Calamity.live data shows a weather event with CalamityScore 39/100, near North Myrtle Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.