This alert expired on 23 June 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 135 recorded within 20 km of this point since 17 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 22 at 8:31PM EDT until June 22 at 8:45PM EDT by NWS Mount Holly NJ
An estimated 88,919 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 18, 2026 · score 58 · 5.6 km
- June 23, 2026 · score 63 · 6.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 63 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 78% |
| Coordinates | 38.7600, -75.5040 |
| Nearest City | Dover (44 km) |
| Population Exposed | 88.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-06-23T00:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.bb591442e271aed4b9c17e8483a3de27a3345dc2.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Sussex, DE |
| Headline | Tornado Warning issued June 22 at 8:31PM EDT until June 22 at 8:45PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-22T20:45:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
Series begins 10 February 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 in this area?
Calamity.live data shows a weather event with CalamityScore 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.