Bulahdelah tornado
The 1970 Bulahdelah tornado was a violent tornado which occurred near the town of Bulahdelah 100 kilometres (62.1 mi) north-northeast of Newcastle, New South Wales, Australia on 1 January 1970, and is thought to be the most destructive and powerful tornado ever documented in Australia. On BoM's storm archive, the tornado is given the rating of F0 and contains maximum confirmed winds of 63 km/h (39 mph).