On December 20, 1974, a cluster of thunderstorm is detected north of Darwin, Australia. Then the next day, the low pressure system develops into a tropical depression. Then the depression develops into a tropical storm and hurricane. The Australian meteorlogy agency predicts that Tracy will miss Darwin and move out and dissipate. However it is not the case. Tracy makes a b-line for Darwin. Many people are evacuated from Darwin and some never returning. Conditions in Darwin worsen on December 24th, which is Christmas Eve. It is overcast and raining hard. Then the hurricane makes landfall on Darwin on Christmas...