This alert expired on 17 March 2026 at 03:00 UTC. It is kept here as a record.
No stronger detection stands among the 325 recorded within 20 km of this point since 11 March 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued March 16 at 10:23PM EDT until March 16 at 11:00PM EDT by NWS Mount Holly NJ
An estimated 56,020 people live within 50 km of this point.
Nearby, since 11 March 2026
- July 28, 2026 · score 51 · 9.2 km
- September 3, 2026 · score 32 · 15.9 km
- July 10, 2026 · score 39 · 16.5 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 77 % 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 | Critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 77% |
| Coordinates | 38.9583, -75.6833 |
| Nearest City | Dover (26 km) |
| Population Exposed | 56.0K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-03-17T02:23:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3c414cf0f041dbe3bf126cc64ac8dc19dcd07ab1.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kent, DE; Caroline, MD; Queen Anne's, MD; Talbot, MD |
| Headline | Tornado Warning issued March 16 at 10:23PM EDT until March 16 at 11:00PM EDT by NWS Mount Holly NJ |
| Expires | 2026-03-16T23:00:00-04:00 |
| 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 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 Dover?
Calamity.live data shows a weather event with CalamityScore 63/100, near Dover (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.