Floods are bringing death in other countries as well as Australia.
At least 30 people may have been killed and about a thousand homes damaged by floods in South Africa in the past week.
Heavy rains have hit Johannesburg and Pretoria as well as provinces in the northeast and eastern parts of the country.
In Brazil, floods and landslides have devastated mountain towns near Rio de Janeiro, killing 147 people.
The death toll from heavy rains this week is at least 160.
Officials say at least 120 people have been killed in Teresopolis, about 100km north of Rio, after the equivalent of a month's rainfall in 24 hours.
Rain in southeastern Brazil also killed 13 people in Sao Paulo state and caused traffic congestion in the country's financial capital.
In Sri Lanka, heavy monsoon rains have caused severe flooding, displacing nearly 200,000 people. At least 80 are known to have died.
Camps set up for flood victims have themselves been flooded.
About a million people have been affected.