Flash Flood — Antrim, Michigan

2021-08-11 · near Alden, Antrim, Michigan

Event narrative

Alden highway completely washed out near Comfort Rd. Two vehicles fell into road wash out causing injury to 1 person. Multiple other road sections washed throughout county.

Wider weather episode

After a warm front mixed northward across northern Michigan during the day, a weak shortwave progressing overhead helped initiate storms along a weak boundary over Lake Michigan. This line of storms tracked eastward across the area, producing damaging winds into the early morning hours of 8-11. Training storms across parts of NW lower Michigan also produced heavy rainfall and flash flooding in multiple locations, including washing out a roadway in Antrim county that resulted in one injury.

View location on OpenStreetMap → (44.9025, -85.2115)

Source: NOAA Storm Events Database, event_id 983539. Narrative written by the NWS forecast office that issued the report.