AtmostormCounty briefing
Chester County, PA
Severe-weather activation briefing
Generated 2026-09-20T14:23:21.188806+00:00
No active warnings
County exposure (baseline)
Chester County, PA has an estimated 539,608 residents, including 20 nursing homes, 8 mobile-home parks, 8 dialysis centers, 5 hospitals and 110 schools. This is the denominator behind “in the warned path”.