Flooding is an overflowing of water onto land that is normally dry. Floods can happen during heavy rains, when ocean waves come on shore, when snow melts quickly, or when dams or levees break. Damaging flooding may happen with only a few inches of water, or it may cover a house to the rooftop.

Click on a state to learn more about the types of flooding experienced there and how residents can protect their lives and property. You will also find information on the top 5 floods for each state, learn which National Weather Service offices forecast for the area and more!

Sep 26, 2023 · It describes the types of flooding, the contribution of climate change, historical trends of flood impacts and costs, the role of exposure to rising flood costs, and social vulnerability to flooding—which leads to uneven impacts of …

Nov 3, 2023 · A growing number of coastal and inland communities are finding themselves underwater. Here’s how climate change plays a role in flooding, and what we can do about it.

Dec 5, 2024 · Many different situations can cause a flood. Here are just a few: Heavy rainfall; Ocean waves coming on shore, such as a storm surge; Melting snow and ice, as well as ice jams; Dams or levees breaking; Geography can also make an area more likely to flood. For example, areas near rivers are often at risk for floods.

Flooding typically occurs when prolonged rain falls over several days, when intense rain falls over a short period of time, or when an ice or debris jam causes a river or stream to overflow onto the surrounding area.

Here you will find an interactive flood map, information describing the different types of flooding and educational material. You will also learn how the National Weather Service keeps you aware of potentially dangerous flooding situations through alerts and warnings.

Sep 15, 2023 · At its most basic level, a flood is an anomalous accumulation of water in an area of land. A series of storms bringing massive amounts of rain is the most common cause of flooding events, but there are others.

1 day ago · The uptick in storm activity comes after Northern California saw multiple weeks of dry weather. Because of the lack of rain in January, the flood risk from heavy rainfall will likely be less than ...

Learn about what causes flooding, different types of floods—and how to stay safe. Rain is pouring hard and fast—more than eight inches in just an hour, turning river water brown with mud....