Thunderstorm Wind — De Kalb, Indiana

2011-08-09 · near Auburn, De Kalb, Indiana

Event narrative

Law enforcement officials reported multiple trees down along 7th Street. One of these trees in the 400 block of 7th Street, fell onto a westbound United Parcel Service truck, striking the driver compartment. The 46 year old male driver was killed instantly.

Wider weather episode

An upper level system moved across the Great Lakes, accompanied by a 100 knot upper level jet streak. Mixed layer CAPE on the order of 1500 to 2500 j/kg combined with modest shear and several convergent zones to allow for scattered thunderstorm development.

View location on OpenStreetMap → (41.3668, -85.0625)

Source: NOAA Storm Events Database, event_id 336298. Narrative written by the NWS forecast office that issued the report.