Reported by IEM 172 days ago.
It is the 4th strongest of the 233 detections recorded within 20 km of this point since 11 March 2026.
What the source measured
IEM reported: Several trees and wires down in the Germantown/Gaithersburg area.
An estimated 4,365,656 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 16, 2026 · score 76 · 5.8 km
- July 7, 2026 · score 52 · 7.0 km
- July 9, 2026 · score 52 · 7.2 km
How we know
Confirmed by 2 independent sources, including IEM.
Our own score for this event is 52 out of 100, at 65 % 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 | 65% |
| Coordinates | 39.1700, -77.2400 |
| Nearest City | Germantown (3 km) |
| Population Exposed | 4.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-11T23:02:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | D |
| City | 1 ESE Germantown |
| County | Montgomery |
| State | MD |
| Wfo | LWX |
| Remark | Several trees and wires down in the Germantown/Gaithersburg area. |
| Google News RssFeed | weather |
| Google News SourceName | WWLTV.com |
| MergedSources | [{"id":"gnews_weather_492578_137","source":"google_news","severity":"medium","severityValue":40,"timestamp":1773281580000,"latitude":38.9,"longitude":-77.04}] |
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 Germantown (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.