This alert expired on 13 July 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 19 recorded within 20 km of this point since 11 May 2026 — 7 others scored the same. The last comparable one was on 8 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 12 at 7:35PM EDT until July 12 at 9:00PM EDT by NWS Wilmington NC
An estimated 183,290 people live within 50 km of this point.
Nearby, since 11 May 2026
- July 8, 2026 · score 43 · 6.5 km
- May 30, 2026 · score 32 · 10.8 km
- August 10, 2026 · score 39 · 16.0 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 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 34.3253, -77.4939 |
| Nearest City | Wilmington (43 km) |
| Population Exposed | 183.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-12T23:35:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.d9cf719c7a0229df79710e523c9adc35 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Surf City to Cape Fear NC out 20 nm; Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM; S of Cape Lookout NC to Surf City NC out to 20 NM |
| Headline | Special Marine Warning issued July 12 at 7:35PM EDT until July 12 at 9:00PM EDT by NWS Wilmington NC |
| Expires | 2026-07-12T21:00:00-04:00 |
| SenderName | NWS Wilmington NC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d9cf719c7a0229df79710e523c9adc35fa952f22.001.1","noaa_urn:oid:2.49.0.1.840.0.65ec93f02dfbf11195b7933b90e83fd8d9aa225f.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 in this area?
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 185 scientific monitoring sources.