Thunderstorm Wind — Hamilton, Indiana
2025-08-16 · near Hortonville, Hamilton, Indiana
Event narrative
Thunderstorm gust of 59 mph recorded at Grand Park mesonet station. Thunderstorm winds downed numerous trees from Westfield to Carmel, including two trees into houses.
Wider weather episode
Hot and humid conditions beneath adequate wind shear from a passing weak upper wave combined with lift from a outflow boundary to initiate scattered strong thunderstorms on the afternoon of the 16th, with embedded severe cells impacted Fountain County and Hancock County. Later in the evening, more organized strong to severe storms produced damage from eastern Madison County into northern portions of the Indianapolis Metro; and then very early on the 17th, down to south-central Indiana, with one person injured while camping in Monroe County. A total of 19,927 power outages occurred in central Indiana, including 7,468 in Hamilton County and 6,473 in Marion County.
View location on OpenStreetMap → (40.0597, -86.1411)
Source: NOAA Storm Events Database, event_id 1290053. Narrative written by the NWS forecast office that issued the report.