2009-10 Australian Cyclone Season

Tropical Cyclone Billy
A tropical low formed off Australia on August 11. The next day, it intensified into Tropical Cyclone Billy. It reached Category 2 later that day and began to weaken. On August 13 the storm was expected to re-intensify, but this never happened and the storm dissipated in the early hours of August 14.

Severe Tropical Cyclone Anika
A tropical low formed off the coast of Australia on August 12. The next day as the storm reached Category 2 strength and started to rapidly intensify, reaching category 3 strength later that day. On the 15th, the storm became a category 5 cyclone and began to weaken almost immediately. On August 17, the storm weakens and the final advisory was issued.

Tropical Cyclone Cathy
A tropical low formed and became Tropical Cyclone Cathy soon after that. The storm quickly intensified and reached category 2 strength the next day. The storm reached cooler waters and weakened and dissipated shortly after that.

Tropical Low 1A
On August 14, a tropical low formed in the western Coral Sea. It didn't strengthen much and dissipated on the 16th.

Severe Tropical Cyclone Ava
On August 18, a tropical low formed and started to intensify almost immediately. Later that day, it reached cyclone strength, and was designated Ava, the first storm for TCWC Pewin this year.

Tropical Cyclone Barry
On August 18, a tropical low formed and was named Barry later that day. TCWC Pewin issued the last advisory later that day as Barry became a extratropical low.

Severe Tropical Cyclone Clare
On August 18, a tropical low formed off the coast of Australia. Later that day is strengthened into Tropical Cyclone Clare. the third of the season. It rapidly strengthened and became a category 2 cyclone late that night.

Tropical Cyclone Erica
On August 25, a tropical low formed. It remained weak and degenerated into a tropical low later that day. The next day, it regenerated and became Tropical Cyclone Erica.

Tropical Cyclone Fletcher
Also on the 25th, another tropical low formed. It was very weak and dissipated later that day. The next day it became tropical and strengthened into Tropical Cyclone Fletcher. As the storm progressed, it rapidly strengthened.