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 27 May 2026 at 17:15 UTC. It is kept here as a record.
It is the 8th strongest of the 46 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 19 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 27 at 1:00PM EDT until May 27 at 1:15PM EDT by NWS Mount Holly NJ
An estimated 60,015 people live within 50 km of this point.
Nearby, since 17 March 2026
- March 17, 2026 · score 43 · 10.6 km
- May 27, 2026 · score 39 · 11.0 km
- July 17, 2026 · score 37 · 12.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 79 % 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) | 39 / 100 |
| Our confidence | 79% |
| Coordinates | 39.2100, -74.4787 |
| Nearest City | Atlantic City (17 km) |
| Population Exposed | 60.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-27T17:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5f45fe20a7629bef516bd92da4d14cbf10e15180.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Atlantic, NJ; Cape May, NJ |
| Headline | Severe Thunderstorm Warning issued May 27 at 1:00PM EDT until May 27 at 1:15PM EDT by NWS Mount Holly NJ |
| Expires | 2026-05-27T13:15:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
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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