Thunderstorm Wind — Columbia, Pennsylvania

2023-08-07 · near Roaring Creek, Columbia, Pennsylvania

Event narrative

A severe thunderstorm producing winds estimated near 60 mph knocked down snapped limbs and power lines south of Bloomsburg.

Wider weather episode

High CAPE (>2500 J/kg) and strong speed and directional shear contributed to a significant severe weather episode across south-central Pennsylvania during the afternoon and evening of August 7, 2023. Of note, a significant bow echo produced widespread wind damage and a trio of weak (EF0-EF1) tornadoes across southern York and Lancaster Counties.

View location on OpenStreetMap → (40.9300, -76.3900)

Source: NOAA Storm Events Database, event_id 1128446. Narrative written by the NWS forecast office that issued the report.