Thunderstorm Wind in Blackford County, Indiana

Thunderstorm Wind July 18, 2015 · Blackford County, Indiana

58 mph

Estimated gust (50 kt)

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Tree blocking State Road 3 in Hartford City.

The wider storm

Weak shortwave trough moving through upper Michigan combined with retreating outflow boundary from morning/early afternoon storms, which moved through northern Indiana/northwest Ohio, spurned new storm development from southern Wisconsin southeast through northeast Illinois by later afternoon. Storms were initially sub-severe and disorganized, but two main bowing segments, one along and north of the Interstate 80/90 corridor and another along the US-30 corridor, developed as cold pool strengthened, causing widespread damaging winds and flooding.

Began near Hartford City (40.4500, -85.3700).

Source: NOAA Storm Events Database, event 595466. Narratives are written by the National Weather Service forecast office that issued the report.

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