Calamity
MediumSevere WeatherCalamity Score: 22

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 15 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 20:45 UTC. It is kept here as a record.

It is the 2nd strongest of the 9 detections recorded within 20 km of this point since 28 May 2026.

What the source measured

NOAA reported: Special Marine Warning issued May 28 at 3:38PM EDT until May 28 at 4:45PM EDT by NWS Wilmington NC

Nearby, since 28 May 2026

How we know

Confirmed by 3 independent sources, including NOAA.

Our own score for this event is 22 out of 100, at 70 % 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 confidence70%
Coordinates33.8933, -77.4233
Nearest CityWilmington (62 km)
Impact Tierminor
Timestamp2026-05-28T19:38:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1dd560326f7958cd7fbcb16c46e7573ae8c6714a.001.1

Score Breakdown

35
intensity
0
population
0
cascading
80
historical

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescCoastal 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
HeadlineSpecial Marine Warning issued May 28 at 3:38PM EDT until May 28 at 4:45PM EDT by NWS Wilmington NC
Expires2026-05-28T16:45:00-04:00
SenderNameNWS Wilmington NC
HasExactCoordstrue
Iem TypeSummaryM
Iem Magnitude53
Iem Unitmph
Iem City1 ENE Wrightsville Beac
Iem CountyAMZ250
Iem StateNC
Iem WfoILM
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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