This alert expired on 4 September 2026 at 05:45 UTC. It is kept here as a record.
It is the 181st strongest of the 219 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 3 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 4 at 12:52AM EDT until September 4 at 1:45AM EDT by NWS Mount Holly NJ
An estimated 56,020 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 23, 2026 · score 63 · 18.4 km
- July 28, 2026 · score 51 · 19.0 km
- September 3, 2026 · score 32 · 20.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100, at 82 % 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 82% |
| Coordinates | 38.8300, -75.7575 |
| Nearest City | Easton (29 km) |
| Population Exposed | 56.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T04:52:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.15b380d66bfc92d850b081dde82d68daa633f0dd.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kent, DE; Sussex, DE; Caroline, MD; Talbot, MD |
| Headline | Severe Thunderstorm Warning issued September 4 at 12:52AM EDT until September 4 at 1:45AM EDT by NWS Mount Holly NJ |
| Expires | 2026-09-04T01:45:00-04:00 |
| 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.
Want to know when something happens near Easton?
Calamity.live data shows a weather event with CalamityScore 32/100, near Easton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.