A severe thunderstorm developed just south of Beaudesert and then tracked NNE. Hook shaped structure observed on radar and S.E.S member reported rotation in the cloud just west of Beaudesert as well as "Vast amounts of mothball size hail. Trees were brought down in the Bromleton to Beaudesert to Tamborine area. Golfball size hail was reported at Jimboomba. An Army pilot reported that a funnel cloud to the ground approximately 1/4 to 1/2 mile south of heavy rain when the thunderstorm was just east of Dalby. The funnel cloud lasted about 15 minutes