“Research has shown that cyclones in the Australian region exhibit more erratic paths than cyclones in other parts of the world. A tropical cyclone can last for a few days or up to two or three weeks. Movement in any direction is possible including sharp turns and even loops.”
source
People here are telling one another that the threat from Yasi isn’t too bad, that it will track straight inland and all we’ll get is gales and a lot of rain………
UPDATE: This is pretty cool–it shows Yasi superimposed on maps of Europe, Asia and America and gives an idea of the true size of the thing.