Reported by IEM 24 days ago.
It is the 17th strongest of the 67 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 3 August 2026. 37 more were recorded here in the fortnight before it.
What the source measured
IEM reported: Lightning downed powerlines near Newell Rd in Holden.
An estimated 980,073 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 29, 2026 · score 52 · 5.8 km
- July 2, 2026 · score 52 · 7.1 km
- June 7, 2026 · score 48 · 7.7 km
How we know
Confirmed by 2 independent sources, including IEM.
Our own score for this event is 41 out of 100, at 74 % 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) | 41 / 100 |
| Our confidence | 74% |
| Coordinates | 42.3200, -71.8300 |
| Nearest City | Holden (4 km) |
| Population Exposed | 980.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-08T02:17:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | L |
| City | 2 SSE Holden |
| County | Worcester |
| State | MA |
| Wfo | BOX |
| Remark | Lightning downed powerlines near Newell Rd in Holden. |
| Google News RssFeed | weather |
| Google News SourceName | Boston 25 News |
| MergedSources | [{"id":"gnews_weather_496153_238","source":"google_news","severity":"medium","severityValue":40,"timestamp":1786151340000,"latitude":42.36,"longitude":-71.06}] |
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.
Want to know when something happens near Holden?
Calamity.live data shows a weather event with CalamityScore 41/100, near Holden (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.