In scientific terms, a tropical cyclone is the sum of three parts — a rain band, eye and eyeball — which draw air in toward the centre in a clockwise pattern, and out the top in the opposite direction ...

Millions of residents along Australia’s eastern coast are bracing for the arrival of a very slow-moving storm, the most southerly tropical cyclone to threaten the region in more than 50 years.

Usually, the eye of a cyclone is about 40 kilometres wide but can be between 10 and 100 kilometres wide — but usually doesn't become clear on satellite images unless it's a category three cyclone.

Cyclones are not all made equal and the 300km system off the Queensland coast is shaping up to be a monster. In scientific terms, a tropical cyclone is the sum of three parts — a rain band, eye ...

In scientific terms, a tropical cyclone is the sum of three parts — a rain band, eye and eyewall — which draw air in toward the centre in a clockwise pattern, and out the top in the opposite ...