Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

One other detection within 20 km in the last 24 hours, <1 km from here.

This alert expired on 6 September 2026 at 23:32 UTC. It is kept here as a record.

It is the 6th strongest of the 9 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day.

What the source measured

NOAA reported: Special Marine Warning issued September 6 at 7:22PM EDT until September 6 at 7:30PM EDT by NWS Wilmington NC

Nearby, since 16 March 2026

How we know

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

Our own score for this event is 16 out of 100, at 59 % 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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)16 / 100
Our confidence59%
Coordinates33.7550, -77.8537
Nearest CityWilmington (55 km)
Impact Tierminor
Timestamp2026-09-06T23:22:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.92d613f323b114731db37c5ff0f09783dc9228e4.001.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescCoastal waters from Surf City to Cape Fear NC 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
HeadlineSpecial Marine Warning issued September 6 at 7:22PM EDT until September 6 at 7:30PM EDT by NWS Wilmington NC
Expires2026-09-06T19:32:00-04:00
SenderNameNWS Wilmington NC
HasExactCoordstrue

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 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.