Reported by IEM 166 days ago.
No stronger detection stands among the 377 recorded within 20 km of this point since 12 March 2026 — 241 others scored the same. Another comparable one was recorded here earlier the same day. 65 more were recorded here in the fortnight before it.
What the source measured
IEM reported: Wires down in South Philadelphia. Time estimated from radar.
An estimated 3,710,428 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 11, 2026 · score 52 · 2.1 km
- July 11, 2026 · score 52 · 2.6 km
- July 27, 2026 · score 52 · 2.9 km
How we know
Confirmed by 2 independent sources, including IEM.
Our own score for this event is 52 out of 100, at 63 % 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 | 63% |
| Coordinates | 39.9200, -75.1700 |
| Nearest City | Lower Moyamensing (1 km) |
| Population Exposed | 3.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-17T03:15:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | D |
| City | 1 SE Point Breeze |
| County | Philadelphia |
| State | PA |
| Wfo | PHI |
| Remark | Wires down in South Philadelphia. Time estimated from radar. |
| Google News RssFeed | weather |
| Google News SourceName | CBS News |
| MergedSources | [{"id":"gnews_weather_492700_143","source":"google_news","severity":"medium","severityValue":40,"timestamp":1773720832000,"latitude":39.95,"longitude":-75.16}] |
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 Lower Moyamensing (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.