Reported by SPC 167 days ago.
It is the 6th strongest of the 111 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 68 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 3 NE Wolfsville, Frederick, MD. Several powerlines down at the intersection of John Draper Rd. and Ridenour Rd. (LWX)
An estimated 200,503 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 16, 2026 · score 43 · 0.0 km
- August 27, 2026 · score 43 · 9.7 km
- August 10, 2026 · score 43 · 10.0 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 73 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 73% |
| Coordinates | 39.6100, -77.5100 |
| Nearest City | Hagerstown (18 km) |
| Population Exposed | 200.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T12:11:09.159Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 3 NE Wolfsville |
| County | Frederick |
| State | MD |
| Comments | Several powerlines down at the intersection of John Draper Rd. and Ridenour Rd. (LWX) |
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 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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Hagerstown (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.