Sep 6, 2023
A relatively weak shortwave rotated over the Great Lakes during the day, setting up unidirectional southwest flow amidst a moisture-rich environment that allowed for multiple clusters of thunderstorms to track over areas near Grand Traverse Bay. There storms produced very efficient rainfall over several hours during the afternoon, leading to multiple reports of flooding and measured rainfall totals exceeding 7 inches in Leelanau county.
Source: NOAA National Weather Service Storm Events Database (event 1136182). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Leelanau County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.