This alert expired on 20 July 2026 at 18:45 UTC. It is kept here as a record.
No stronger detection stands among the 36 recorded within 20 km of this point since 5 April 2026 — 18 others scored the same. The last comparable one was on 19 July 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 20 at 1:38PM EDT until July 20 at 2:45PM EDT by NWS Newport/Morehead City NC
An estimated 17,988 people live within 50 km of this point.
Nearby, since 5 April 2026
- June 28, 2026 · score 34 · 16.2 km
- July 8, 2026 · score 28 · 17.4 km
- June 14, 2026 · score 34 · 19.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % 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 | 81% |
| Coordinates | 35.9425, -76.1409 |
| Nearest City | Elizabeth City (40 km) |
| Population Exposed | 18.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-20T17:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.4543e190f3ac25520f7adf273079bcc7 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Albemarle Sound; Alligator River; Pamlico Sound; S of Currituck Beach Light NC to Oregon Inlet NC out to 20 NM; S of Oregon Inlet NC to Cape Hatteras NC out to 20 NM; Croatan and Roanoke Sounds |
| Headline | Special Marine Warning issued July 20 at 1:38PM EDT until July 20 at 2:45PM EDT by NWS Newport/Morehead City NC |
| Expires | 2026-07-20T14:45:00-04:00 |
| SenderName | NWS Newport/Morehead City NC |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4543e190f3ac25520f7adf273079bcc75dea2c80.001.1","noaa_urn:oid:2.49.0.1.840.0.75a796b14023c31c889bd91b46b92d4f0d7edb3b.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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.