On Tuesday, August 5, a weak cold front approached our region from the north. Severe Thunderstorm Watch 810 was issued from 3 P.M. until 10 P.M. for areas roughly along and north of a Carbondale to Owensboro line. An isolated severe storm developed over White County, Illinois (near the Indiana border) late in the afternoon. This storm produced very large hail. Below is a photo of the hailstones, courtesy of Jim and Chris Totten of Carmi. Some of the jagged stones measured over an inch across. Multiple reports of ping-pong ball to golf-ball size hail were received from Carmi.
During the evening, a line of severe thunderstorms progressed east and southeast from west central Illinois. Severe Thunderstorm Warnings were issued for several counties in the watch area. No widespread wind damage was reported, but strong wind gusts were associated with the storms.
The photo below was taken by Norm Bredenkamp, a local weather observer along the northern border of White County in Grayville, Illinois. Wind gusts to 80 mph were recorded on his wind equipment before the equipment failed. Large trees were blown down. The photo shows a tower that was blown over at his residence.