Flash Flood — Osceola, Michigan
2012-05-03 · near Orono, Osceola, Michigan
Event narrative
Radar estimated that up to 5 to 7 inches of heavy rain fell across northwest Osceola county, resulting in a few roads that were either flooded or washed out.
Wider weather episode
An upper low moving over a warm front that stretched across northern Lower Michigan set the stage for heavy rainfall on May 3rd. Training thunderstorms (storms that move over the same location) produced 5 to 7 inches of rainfall across portions of Mason and Lake counties. The heavy rainfall resulted in roads that were either flooded or washed out. As the day progressed, strong to severe storms developed in the warm humid airmass. Golf ball size hail was reported in Mason and a 10 x 20 foot section of roof was blown off of a commercial building a few miles south of Lansing.
View location on OpenStreetMap → (43.9395, -85.5711)
Source: NOAA Storm Events Database, event_id 369042. Narrative written by the NWS forecast office that issued the report.