Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
50 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 6 September 2026 at 00:00 UTC. It is kept here as a record.
It is the 15th strongest of the 74 detections recorded within 20 km of this point since 9 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 5 at 7:29PM EDT until September 5 at 8:00PM EDT by NWS Wilmington NC
An estimated 87,619 people live within 50 km of this point.
Nearby, since 9 March 2026
- September 5, 2026 · score 32 · 4.3 km
- September 6, 2026 · score 32 · 4.7 km
- August 10, 2026 · score 39 · 11.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 32 out of 100, at 89 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 89% |
| Coordinates | 33.7714, -78.8586 |
| Nearest City | Myrtle Beach (10 km) |
| Population Exposed | 87.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-05T23:29:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.093477678e5141771d870d7301b4b538588ffd68.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Horry, SC |
| Headline | Severe Thunderstorm Warning issued September 5 at 7:29PM EDT until September 5 at 8:00PM EDT by NWS Wilmington NC |
| Expires | 2026-09-05T20:00:00-04:00 |
| SenderName | NWS Wilmington NC |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Cerro Gordo |
| Spc County | Columbus |
| Spc State | NC |
| Spc Comments | Tree fell on a car in Cerro Gordo... NC. (ILM) |
| Iem TypeSummary | G |
| Iem Magnitude | 40 |
| Iem Unit | MPH |
| Iem City | 1 W Atlantic Beach |
| Iem County | Horry |
| Iem State | SC |
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 32/100, near Myrtle Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.