Wind speeds of 141 km/h (88 mph) were recorded with multiple reports of hail in the city and surrounding areas.

Warm, humid air over South East Queensland was hit by a cooler southerly change causing instability.

Multiple cells formed near the New South Wales border and tracked northwards, with one storm intensifying into a strong supercell.

[3] While supercell storms form every year in the region it was rare for one to strike the central parts of Brisbane.

[5] Brisbane City Council and State Government buildings suffered $50 million worth of damage.