A flood occurs when water overflows or inundates land that's normally dry most floods take hours or even days to develop, giving residents ample time to prepare or evacuate. Others generate quickly and with little warning.
Disaster experts classify floods according to their likelihood of occurring in a given time period.
Moving water has a very destructive power
In the United States, where flood mitigation and prediction is advanced, floods do about $6 billion worth of damage and kill about 140 people every year.
When flood waters go away there is a very little amount left of the buildings there. The rest of it goes away and is mostly left as silt and mud.
Residents of flooded areas can be left without power and clean drinking water, leading to outbreaks of deadly waterborne diseases like typhoid, hepatitis A, and cholera.
Any place where rain falls is vulnerable, although rain is not the only action for causing floods or also floods occur when water overflows or inundates land that's normally dry.
The Johnstown Flood:1889
The flood happened because the earth dam the people of the town made. It was a crappy job so the dam broke and the town was flooded. It was a trastick event. Summarizing the flood's impact in statistics and facts is a quick way to convey the enormity of the event. Here is a list of some of the most descriptive facts about the Johnstown flood.
Now in common days they build dams that are concrete so that they don't brake as easily as the Johnstown flood