“A series of floods hit Queensland, Australia, beginning in December 2010. The floods forced the evacuation of thousands of people from towns and cities.At least 70 towns and over 200,000 people were affected. Damage initially was estimated at around A$! billion before it was raised to $2.38 billion.The estimated reduction in Australia’s GDP n is about A$30 billion.” [direct quote from wikipedia]
Context: Obviously this is a natural disaster, so we have to point you to the Attribution Page.
Cyclone Yasi (for it is she) had a quite dramatic effect on the volume of coal exported from Queensland in the first quarter of 2011. [Marc to fill in extra detail]