You really should see what happened in the UK recently, just about the entire country got flooded, due to at least four days of raining non-stop.
Those were worthy of South East Asia, and raining sure can go nasty in South East Asia, some entire cities get evacuated including London and Gloucestershire and the Royal Air Force has been deployed with every helicopters they could find.
Prime Minister Gordon Brown announced at least over a billion pounds (at least a billion in US currency) of relief money.
There were lots of footage about flooded cities and they fear power lines still active might fall in the water, electricity and water dont mix.