It might be down to the journos getting confused about what a 1 in 100 year event actually means.
From the Aussie BoM:
http://www.bom.gov.au/water/designRainfalls/rainfallEvents/why100years.shtml
It might be down to the journos getting confused about what a 1 in 100 year event actually means.
From the Aussie BoM:
http://www.bom.gov.au/water/designRainfalls/rainfallEvents/why100years.shtml