Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region 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.