Thunderstorm Wind — Blackford, Indiana

2018-07-20 · near Hartford City, Blackford, Indiana

Event narrative

Trained spotters reported a partially rotten tree was blown down.

Wider weather episode

Deep low pressure was located over Wisconsin with a warm front extending across northern Indiana. 1000 to 2000 J/KG MLCAPE advected in with area of clearing with effective helicity values in excess of 200 m2/s2. Several strong to severe storms developed with intense microbursts in a few spots as well as a weak tornado.

View location on OpenStreetMap → (40.4500, -85.3700)

Source: NOAA Storm Events Database, event_id 771891. Narrative written by the NWS forecast office that issued the report.