Reported by SPC 2 days ago.
It is the 9th strongest of the 52 detections recorded within 20 km of this point since 13 May 2026. Another comparable one was recorded here earlier the same day.
What the source measured
SPC reported: Wind UNK kt near 2 SE Landisburg, Perry, PA. Power lines down on road. (CTP)
An estimated 69,326 people live within 50 km of this point.
Nearby, since 13 May 2026
- August 27, 2026 · score 32 · 0.0 km
- July 5, 2026 · score 63 · 15.6 km
- July 28, 2026 · score 43 · 16.2 km
How we know
Confirmed by 8 independent sources, including SPC.
Our own score for this event is 39 out of 100, at 84 % 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) | 39 / 100 |
| Our confidence | 84% |
| Coordinates | 40.3200, -77.2800 |
| Nearest City | Carlisle (15 km) |
| Population Exposed | 69.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-28T04:29:44.705Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Score Breakdown
Technical Details
| ReportType | wind |
| Speed | UNK |
| Location | 2 SE Landisburg |
| County | Perry |
| State | PA |
| Comments | Power lines down on road. (CTP) |
| Iem TypeSummary | H |
| Iem Magnitude | 0.5 |
| Iem Unit | Inch |
| Iem City | Marysville |
| Iem County | Perry |
| Iem State | PA |
| Iem Wfo | CTP |
| Iem Remark | Marble sized hail. |
| MergedSources | [{"id":"iem_F_40.260_-76.860_1787881200000","source":"iem","severity":"low","severityValue":25,"timestamp":1787881200000,"latitude":40.26,"longitude":-76.86},{"id":"iem_F_40.280_-76.800_1787881140000","source":"iem","severity":"low","severityValue":25,"timestamp":1787881140000,"latitude":40.28,"longitude":-76.8},{"id":"iem_D_40.320_-77.280_1787872800000","source":"iem","severity":"low","severityValue":25,"timestamp":1787872800000,"latitude":40.32,"longitude":-77.28},{"id":"iem_D_40.280_-76.800_1787881680000","source":"iem","severity":"low","severityValue":25,"timestamp":1787881680000,"latitude":40.28,"longitude":-76.8},{"id":"iem_F_40.260_-76.830_1787887500000","source":"iem","severity":"low","severityValue":25,"timestamp":1787887500000,"latitude":40.26,"longitude":-76.83},{"id":"iem_F_40.260_-76.800_1787882760000","source":"iem","severity":"low","severityValue":25,"timestamp":1787882760000,"latitude":40.26,"longitude":-76.8},{"id":"iem_H_40.340_-76.930_1787876820000","source":"iem","severity":"low","severityValue":25,"timestamp":1787876820000,"latitude":40.34,"longitude":-76.93}] |
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 39/100, near Carlisle (United States), based on data from spc. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.