This alert expired on 12 June 2026 at 01:46 UTC. It is kept here as a record.
It is the 182nd strongest of the 234 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 11 at 9:37PM EDT until June 11 at 9:45PM EDT by NWS Mount Holly NJ
An estimated 197,181 people live within 50 km of this point.
Nearby, since 11 March 2026
- July 28, 2026 · score 67 · 9.5 km
- September 1, 2026 · score 37 · 10.5 km
- August 27, 2026 · score 43 · 10.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 80 % 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 38.9122, -76.0949 |
| Nearest City | Easton (16 km) |
| Population Exposed | 197.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T01:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.60c066456dcae4b9880d788525ed6406 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Caroline, MD; Kent, MD; Queen Anne's, MD; Talbot, MD; Baltimore, MD; Cecil, MD; Harford, MD; Dorchester, MD; Wicomico, MD |
| Headline | Severe Thunderstorm Warning issued June 11 at 9:37PM EDT until June 11 at 9:45PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-11T21:46:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.60c066456dcae4b9880d788525ed640615d0ab38.001.1","noaa_urn:oid:2.49.0.1.840.0.2a5126d709e68ea3a1da4dbe9466775977b57d90.001.1","noaa_urn:oid:2.49.0.1.840.0.a61fcb5bc26bdaf273e0383f4f7470bc8b487f47.001.1"] |
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.
Want to know when something happens near Easton?
Calamity.live data shows a weather event with CalamityScore 37/100, near Easton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.