Thunderstorm approximately 5 km east of Goovigen, (24.1S 150.4E) John Carl, the property owner, reported a Willy Willy with a damage track only 20 - 30 metres wide discernible through crops etc. The roof of the haystack was blown off. Although the farm rain guage was blown over, surrounding properties reported 120 mm, 85 mm and 75 mm over approximately 2.5 - 3.0 hours. Some hail, mostly pea size with a little to marble size.