Excessive Heat — Lewis, Tennessee

2023-06-30 · Lewis, Tennessee

Event narrative

A CWOP station in Hohenwald measured a maximum heat index value of 116 degrees.

Wider weather episode

The first part of the day on June 30, 2023, was characterized by dangerous hot and humid conditions across most of Middle Tennessee as heat index values soared to 115 to 125 degrees. With these hot temperatures, an abundant amount of instability was in place across the area. With a mesoscale convective system (MCS) developing over Illinois and Indiana and diving southward, it moved into an environment that was favorable for severe thunderstorms. Damaging winds were the main hazards with this line of thunderstorms with several wind damage reports received through the evening hours.

Source: NOAA Storm Events Database, event_id 1098041. Narrative written by the NWS forecast office that issued the report.