On August 9, 1843, a severe hailstorm hit about 4 miles south of Round Grove “on the Grand Prairie” . Large hailstones accumulated 2-3” deep, flattening the tall stems of prairie grass & vegetable gardens & crop fields.
Even at 11:30 a.m. on August 10, a man brought a pint container of large hailstones to the Lafayette Courier newspaper office to show that were deposited by the storm at 3 p.m. on August 9. He said that “thousands of bushels could have been gathered.”
Site of hailstorm:
It was active for severe & flooding storms in early August with many reports like these from Pennsylvania to D.C. to New York to even Maine. It was a very, very wet & stormy mid to late summer mid-Atlantic to the northeast.