As world leaders gather for a climate summit in Madrid, some of the countries most vulnerable to climate change say they need improved forecasting tools.
This powerful storm was created by a cold jet stream colliding with warm air over the Atlantic. It is similar to Superstorm Sandy but is likely to cause less damage.
"This is a very devastating cyclone in Vanuatu. I term it as a monster, a monster," President Baldwin Lonsdale says. He was at a conference in Japan when the storm hit.
Cyclone Marcia made landfall north of Brisbane as a powerful Category 4 storm but has since been downgraded. Cyclone Lam hit in sparsely populated Arnhem Land.