Reported by SPC 172 days ago.
It is the 153rd strongest of the 235 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 99 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 3 SW Frederica, Kent, DE. Broadcast media reported several downed trees... damaged farm equipment... and overturned construction message board trailer west of Killens Pond State Park. Time estim (PHI)
An estimated 39,403 people live within 50 km of this point.
Nearby, since 11 March 2026
- August 27, 2026 · score 34 · 2.2 km
- August 8, 2026 · score 34 · 2.2 km
- July 22, 2026 · score 46 · 2.2 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 34 out of 100, at 75 % 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) | 34 / 100 |
| Our confidence | 75% |
| Coordinates | 38.9800, -75.5000 |
| Nearest City | Dover (20 km) |
| Population Exposed | 39.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T02:47:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 3 SW Frederica |
| County | Kent |
| State | DE |
| Comments | Broadcast media reported several downed trees... damaged farm equipment... and overturned construction message board trailer west of Killens Pond State Park. Time estim (PHI) |
| Iem TypeSummary | D |
| Iem City | 3 SW Frederica |
| Iem County | Kent |
| Iem State | DE |
| Iem Wfo | PHI |
| Iem Remark | Broadcast media reported several downed trees, damaged farm equipment, and overturned construction message board trailer west of Killens Pond State Park. Time estimated by radar. |
| MergedSources | [{"id":"iem_D_38.980_-75.500_1773715620000","source":"iem","severity":"low","severityValue":25,"timestamp":1773715620000,"latitude":38.98,"longitude":-75.5}] |
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 Dover?
Calamity.live data shows a weather event with CalamityScore 34/100, near Dover (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.