The account of extreme weather continues to mount up, but some Climate models have not been distinguishing between rainfall (precipitation event) changes in tropical regions and mid-latitude regions.
Here’s one piece of research that goes some way towards a new understanding of increased serious flooding in Tropical countries :-
http://www.pnas.org/content/107/2/571.abstract?sid=b9c6c8bb-ee22-4729-a154-5ab4423127cf
“Precipitation extreme changes exceeding moisture content increases in MIROC and IPCC climate models : Masahiro Sugiyamaa, Hideo Shiogama, and Seita Emori”
Flash flooding is not only rising in the Tropics, it’s happening more frequently, elsewhere too :-