Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

United StatesNOAA

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.

Nothing else has been detected within 20 km in the last 24 hours.

This alert expired on 11 May 2026 at 19:00 UTC. It is kept here as a record.

It is the 14th strongest of the 18 detections recorded within 20 km of this point since 11 May 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued May 11 at 2:20PM EDT until May 11 at 3:00PM EDT by NWS Newport/Morehead City NC

Nearby, since 11 May 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 22 out of 100, at 62 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)22 / 100
Our confidence62%
Coordinates34.2245, -77.3590
Nearest CityWilmington (54 km)
Impact Tierminor
Timestamp2026-05-11T18:20:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.7642c1a4c6f7c8d6dfe31baff77b69ae

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescS of Cape Lookout NC to Surf City NC out to 20 NM; Waters from Cape Lookout to Surf City NC from 20 to 60 NM; S of Ocracoke Inlet NC to Cape Lookout NC out to 20 NM; S of Cape Lookout NC to Surf City NC out to 20 NM; 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 and 1 more areas
HeadlineSpecial Marine Warning issued May 11 at 2:20PM EDT until May 11 at 3:00PM EDT by NWS Newport/Morehead City NC
Expires2026-05-11T15:00:00-04:00
SenderNameNWS Newport/Morehead City NC
HasExactCoordstrue
MergedCount4
MergedIds["noaa_urn:oid:2.49.0.1.840.0.7642c1a4c6f7c8d6dfe31baff77b69aea749d7f3.001.1","noaa_urn:oid:2.49.0.1.840.0.92678993f79c241f6bd9dc00800dd564dd52a0a6.001.1","noaa_urn:oid:2.49.0.1.840.0.79dcfa140ea65fc508d99ea21ab128542f58d322.001.1","noaa_urn:oid:2.49.0.1.840.0.081d1bd872d1f874a7ea70208961ad2b3441470a.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.

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Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.