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Tropical Cyclone Yasi (11P) Poised to Make Landfall Near Cairns, Australia

16.7S 148.2E

February 1st, 2011 Category: Tropical Storms

Tropical Cyclone Yasi - January 30th, 2011

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Track of TC 11P

Tropical Cyclone Yasi (11P), located approximately 450 nm east-northeast of Cairns, Australia, has tracked west-southwestward at 17 knots over the past six hours.

Animated infrared satellite imagery shows a 10 nm eye, from which the initial position was based. the
initial intensity estimates range from 115 to 127 knots.

A poleward outflow channel into an upper level low to the South, along with good equatorward outflow, has allowed for rapid intensification within the past 12 hours.

TC 11P is currently tracking along the northern periphery of a deep layer subtropical steering ridge and is expected to track generally west-southwestward throughout the forecast period.

The system should continue to intensify due to excellent outflow, low vertical wind shear, and favorable oceanic conditions.

Around TAU 24, the system is forecast to make landfall just south of Cairns and begin weakening as it tracks inland. Maximum significant wave height is 38 feet.

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