Reported by IEM 68 days ago.
No stronger detection stands among the 413 recorded within 20 km of this point since 12 March 2026 — 259 others scored the same. Another comparable one was recorded here earlier the same day. 25 more were recorded here in the fortnight before it.
What the source measured
IEM reported: Corrects previous flood report from 1 SSW Summerdale. Frankford Creek Gauge crested at moderate flood stage.
An estimated 3,712,588 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 29, 2026 · score 52 · 0.0 km
- June 12, 2026 · score 46 · 2.9 km
- May 20, 2026 · score 52 · 3.0 km
How we know
Confirmed by 2 independent sources, including IEM.
Our own score for this event is 52 out of 100, at 66 % 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 | 66% |
| Coordinates | 40.0200, -75.1000 |
| Nearest City | Juniata Park (1 km) |
| Population Exposed | 3.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-22T22:40:00.000Z |
| Source | https://mesonet.agron.iastate.edu/lsr/ |
Score Breakdown
Technical Details
| TypeSummary | F |
| City | 1 SSW Summerdale |
| County | Philadelphia |
| State | PA |
| Wfo | PHI |
| Remark | Corrects previous flood report from 1 SSW Summerdale. Frankford Creek Gauge crested at moderate flood stage. |
| Google News RssFeed | weather |
| Google News SourceName | CBS News |
| MergedSources | [{"id":"gnews_weather_495049_176","source":"google_news","severity":"medium","severityValue":40,"timestamp":1782176640000,"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 Juniata Park (United States), based on data from iem. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.