Bulahdelah tornado
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The Bulahdelah Tornado was an intense tornado which passed near the town of Bulahdelah (70 kilometres {43 mi} north-northeast of Newcastle), New South Wales on January 1, 1970, and was the most destructive tornado ever reported in Australia. It is thought to be least F4 on the Fujita scale.
The tornado left a damage path 21 kilometres (13 mi) long and 1 - 1.6 kilometres (0.6 - 1 mi) wide through the Bulahdelah State Forest. According to reports, it threw a two ton tractor 100 metres (328 ft) through the air, depositing it upside down. It is estimated that the tornado destroyed over one million trees. The weather system that produced the tornado was a classic setup for violent tornadoes, something somewhat rarely seen outside of the United States, Canada, Bangladesh, and adjacent areas of India.