22K views · 277 reactions | What are cyclones, and how are they formed? This episode of Weather on the Go will help you learn about them, including how they are catergorised according to their intensity. | ABC Asia | Facebook

Tropical Cyclone Fina has brought destructive winds and heavy rainfall, causing widespread damage across the Northern Territory capital. The category 3 cyclone hit Darwin on Saturday, leaving more than 19,000 homes and businesses without power in the past 24 hours. Darwin Airport was forced to close for 24 hours, only reopening this morning, and schools in Darwin are assessing whether it is safe for students to return tomorrow. The Bureau of Meteorology says gusts of more than 200 km/h are possi