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  Yasi developed in the tropical low northwest of Fiji and started tracking westward.
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  Intencefied into a cyclone just north of Vanuatu. Named yasi at 10 pm by Fiji meteorogical service.
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  Yasi intensified to catagory 2 traveling westward.
 Became catagory 3 by 4pm.
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  Yasi, upgrading to a catagory 4 cyclone, started to travel west-southwest towards the Queensland coast.
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  Yasi intensified to catagory 5 with wind speeds up to 285 km/hr.
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  landfall near Mission beach in Queensland between midnight and 1 am.
 Still traveling west-southwest.
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  reaching Mount Isa at 10 pm.
 weakening to a tropical low.
