9781422269541

Storm sewers help remove excess water from storms. A storm sewer has an angled design to carry water to the nearest large body of water: a river, lake, or ocean.

dry soil is unable to absorb the water. When floating debris or ice jams get stuck in a river, water overflows upstream, but when the floating debris or ice jam breaks free, flash flooding occurs downstream. Flash floods can also occur if a levee or dam breaks. Dams and levees are designed to resist water pressure, but they occasionally fail, creating a sudden release of water

that then results in a dangerous flash flood. Geographical Location of Floods

River floods are more common along river floodplains, while coastal flooding occurs along the coast. Sewer floods can occur in any city where the sewers are backed up or overwhelmed. Flash floods occur in mountains with streams or rivers as well as urban or low-lying areas. As floods can occur anywhere in

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Facing the Weather: Floods