AtmostormCounty briefing

Jefferson County, OH

Severe-weather activation briefing

Generated 2026-09-20T14:23:10.691936+00:00

1 active warning

Radar over Jefferson County, OH with the warned area outlined

In the warned path — county-wide (estimate)

~4,500 residents, plus 3 schools

Active warnings (1)

1. Flash Flood Warninguntil 2026-09-20T16:00:00+00:00

Flash Flood Warning issued September 20 at 9:50AM EDT until September 20 at 12:00PM EDT by NWS Pittsburgh PA

In path: ~4,500 residents, 3 schools.

Storm details · Full facility list (per-warning briefing)

County exposure (baseline)

Jefferson County, OH has an estimated 63,196 residents, including 6 nursing homes, 4 mobile-home parks, 2 dialysis centers, 1 hospital and 23 schools. This is the denominator behind “in the warned path”.