Reported by SPC 172 days ago.
No stronger detection stands among the 194 recorded within 20 km of this point since 14 March 2026 — 96 others scored the same. Another comparable one was recorded here earlier the same day. 56 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Wind UNK kt near 1 ENE New Hanover Twp, Montgomery, PA. Tree down. Time estimated from radar. (PHI)
An estimated 1,008,910 people live within 50 km of this point.
Nearby, since 14 March 2026
- August 28, 2026 · score 48 · 4.4 km
- August 7, 2026 · score 46 · 7.5 km
- March 17, 2026 · score 48 · 8.1 km
How we know
Confirmed by 2 independent sources, including SPC.
Our own score for this event is 52 out of 100, at 76 % 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) | 52 / 100 |
| Our confidence | 76% |
| Coordinates | 40.3100, -75.5600 |
| Nearest City | Limerick (10 km) |
| Population Exposed | 1.0M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T02:31:00.000Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 1 ENE New Hanover Twp |
| County | Montgomery |
| State | PA |
| Comments | Tree down. Time estimated from radar. (PHI) |
| Iem TypeSummary | D |
| Iem City | 1 ENE New Hanover Twp |
| Iem County | Montgomery |
| Iem State | PA |
| Iem Wfo | PHI |
| Iem Remark | Tree down. Time estimated from radar. |
| MergedSources | [{"id":"iem_D_40.310_-75.560_1773714660000","source":"iem","severity":"low","severityValue":25,"timestamp":1773714660000,"latitude":40.31,"longitude":-75.56}] |
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 Limerick?
Calamity.live data shows a weather event with CalamityScore 52/100, near Limerick (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.