June 10, 1939, a major wind event swept southern Wisconsin, Illinois, Indiana to Ohio.
Widespread significant wind damage was reported over much of central Illinois to as far south as Salem (east of St. Louis). Even in Wisconsin, a baby was killed by flying glass at Beloit from extreme wind that damaged many buildings. The line of storms continued eastward.
A tornado raced through Newton & Benton counties over a 15-mile path with 1 person killed & 7 people injured on 5 heavily-damaged farms. Damage amounted to nearly $5 million. This tornado began in Iroquois County between Milford & Hoopeston, where 12 people were injured with a track of 25 miles in Illinois. The total tornado track was 35 miles.
Widespread significant wind damage also occurred across Newton, Benton & extended through Jasper & White counties to Lake County around 4 p.m. By 5 p.m., the damaging winds reached Cass County with much property damage.
Extensive wind damage also occurred in Fountain to Montgomery counties with barns unroofed & thousands of trees reportedly snapped or uprooted. Entire communities were without power for up to two days. It was reported that "a number of fine" large, old-growth walnut & oaks trees on several farms were toppled.
This was part of a larger outbreak of severe weather with at least 2 tornadoes in Michigan & wind damage reported in Vigo, Delaware, Porter, Marion, Putnam counties. 5 people were injured as the storms swept northwestern & western Ohio with wind damage from William, Fulton & Lucas to Defiance, Wood counties.
6 people were injured in Champaign County. 25 percent of the corn crop was lost in McLean County, Illinois.
A stormy period indeed much of Anoka, Minnesota was destroyed in a significant tornado on June 18 with damage of +$10 million & +200 injured at 3:28 p.m. There were 5 deaths. The Red Cross & National Guard were called in with search, rescue & medical operations.
Note the deepening surface low & cold front that swept through the area that brought the round of severe storms to the area.
Volatile day indeed, there were already storms around on the morning of June 10, then an apparent break developed with a line of long-lived storms & likely embedded supercells, bows & LEWPs.
2.02" West Lafayette (Purdue University)
1.88" 2 Miles North of Delphi
1.71" 3 Miles West-Southwest of Kokomo
1.61" 2 Miles South-Southeast of Winamac