Flood in Union County, Pennsylvania

Flood August 7, 2023 · Union County, Pennsylvania

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Flooding led to the closing of roads in Lewisburg, as Limestone Run left it's banks in the vicinity of 15th Street and Saint Mary's Street.

The wider storm

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.

Began near Linntown (40.9639, -76.9006).

Source: NOAA Storm Events Database, event 1117356. Narratives are written by the National Weather Service forecast office that issued the report.

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