Severe Weather and Heavy Rainfall Potential for the Plains; Coastal Low Across the mid-Atlantic

An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through this evening. A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the Carolina Shorelines through tonight. This system is forecast to meander off the mid-Atlantic coast early this week. Read More >

Overview

High instability and wind 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.