How Often Do Floods Happen?

Answer

Floods are natural disasters and occur when soil and vegetation cannot hold the amount of melting snow or falling rain or when water flows in quantities that cannot fit in the normal stream channels.Floods occur for hours or days.
Q&A Related to "How Often Do Floods Happen"
where it rains a lot or a place with a lot of water.
http://wiki.answers.com/Q/Where_do_floods_often_ha...
It really depends on where you live and how much rain your area gets and other things. You can never predict the weather so you never know when there is going to be a flood.
http://answers.ask.com/Science/Other/how_often_do_...
Heavy rain can lead to flooding almost anywhere. The most obvious cause of flooding is heavy rain falling over the same area for a long time. If the capacity of the drainage system
http://www.ehow.com/info_8173510_causes-floods-hap...
The weather systems are what mathematicians call chaotic systems. They have giant super-computers trying to predict weather patterns and much of the time they are still wrong. Even
http://answers.yahoo.com/question/index?qid=200702...
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