Right now
The most recent data we hold from NOAA arrived 5 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 28 May 2026 at 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 11 recorded within 20 km of this point since 16 March 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 28 at 7:21PM EDT until May 28 at 7:45PM EDT by NWS Wilmington NC
An estimated 15,579 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 34 · 17.9 km
- August 1, 2026 · score 34 · 26.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 34 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 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) | 34 / 100 |
| Our confidence | 89% |
| Coordinates | 33.6945, -78.2475 |
| Nearest City | North Myrtle Beach (42 km) |
| Population Exposed | 15.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-28T23:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.075aed4e844d3db14a6b0d9311a7c1d2 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM; Coastal waters from Little River Inlet to Murrells Inlet SC out 20 NM; Coastal waters from Cape Fear NC to Little River Inlet SC out 20 NM; Waters from Surf City NC to Little River Inlet SC from 20 to 60 NM |
| Headline | Special Marine Warning issued May 28 at 7:21PM EDT until May 28 at 7:45PM EDT by NWS Wilmington NC |
| Expires | 2026-05-28T19:45:00-04:00 |
| SenderName | NWS Wilmington NC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.075aed4e844d3db14a6b0d9311a7c1d2b8eb36eb.001.1","noaa_urn:oid:2.49.0.1.840.0.c68de9c1fee803d81e10bdccea122f8627722952.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 53 |
| Iem Unit | mph |
| Iem City | 1 ENE Wrightsville Beac |
| Iem County | AMZ250 |
| Iem State | NC |
| Iem Wfo | ILM |
| MergedSources | [{"id":"iem_G_34.280_-77.920_1779994620000","source":"iem","severity":"low","severityValue":25,"timestamp":1779994620000,"latitude":34.28,"longitude":-77.92},{"id":"iem_M_34.210_-77.790_1779995520000","source":"iem","severity":"low","severityValue":25,"timestamp":1779995520000,"latitude":34.21,"longitude":-77.79}] |
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.
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