With already nine tropical cyclones developing since December, and one potentially forming this week, Australia's busiest cyclone season in 19 years could be on the cards.

READ MORE: 'Spine of steel' Trump backflips on the world - except Beijing By Tuesday evening, the chance of a tropical cyclone forming off the Western Australia coast is high at around 60 per cent ...

The chance of a tropical low forming into a cyclone off the Territory coast in The Gulf of Carpentaria, following a monsoon surge that moved through Indonesia and into northern Australian waters, ...