Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Overview

A large upper level low moving through the Upper Great Lakes region brought a finger of the northern jet streak through the region that coupled with a low level jet filtered through the warm air over the lake and caused damaging winds along the lakeshore. Buoys and observations stations in and along Lake Michigan had wind reports upwards of 62 mph. This caused power outages along the lakeshore and just inland as the storms moved souteasterly through southwest Michigan.