floding
In May 1889 over 2,200 people died in the Johnstown (Pennsylvania) flood. Other estimates over the years say that as many as 5000 may have perished.
905 Until now
Tinoco died on May 4, 2012, in Sao Paulo, Brazil.
Brazilian People, tourists and immigrants (not illegal, some may be though).
It depends on the type of flood. If its a large one in a poor country, people may leave for around 3-5 months depending on the security of the place. However if its an ongoing flood, they may be relocated to somewhere else. If not, I'm sure around a 1-2 month leave would be for a small flood.
The last flood was in may 2011
203.4 million people are estimated to live in Brazil, so you may want to be a bit more specific.
Where water gets into a house, it can ruin many belongings and can potentially lead to the growth of dangerous mold after the floodwaters have receced. If there is a strong current to the flood, homes may be washed away and destroyed. People caught in floods may drown.
Kat Schurmann died on May 29, 2006, in So Paulo, Brazil.
Silvino Santos died on May 14, 1970, in Manaus, Amazonas, Brazil.
Valdemar Oliveira died on May 18, 1977, in Recife, Pernambuco, Brazil.