Reported by SPC 168 days ago.
No stronger detection stands among the 90 recorded within 20 km of this point since 16 March 2026 — 64 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
SPC reported: Wind UNK kt near Manassas, Prince William, VA. Three calls for downed trees/wires as the storm moved through. (LWX)
An estimated 3,310,640 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 17, 2026 · score 52 · 0.0 km
- July 7, 2026 · score 52 · 2.5 km
- July 7, 2026 · score 52 · 4.5 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 52 out of 100, at 90 % 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) | 52 / 100 |
| Our confidence | 90% |
| Coordinates | 38.7500, -77.4900 |
| Nearest City | Manassas (1 km) |
| Population Exposed | 3.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T16:38:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | Manassas |
| County | Prince William |
| State | VA |
| Comments | Three calls for downed trees/wires as the storm moved through. (LWX) |
| Iem TypeSummary | D |
| Iem City | Manassas |
| Iem County | Prince William |
| Iem State | VA |
| Iem Wfo | LWX |
| Iem Remark | Three calls for downed trees/wires as the storm moved through. |
| MergedSources | [{"id":"iem_D_38.750_-77.490_1773679080000","source":"iem","severity":"low","severityValue":25,"timestamp":1773679080000,"latitude":38.75,"longitude":-77.49}] |
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 52/100, near Manassas (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.