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The term "100-year flood" is often misunderstood—many believe it means a flood that happens once every 100 years, but that’s not how probability works. Instead, it refers to a flood that has a ...

Weather forecasters sometimes warn of storms that unleash rains so unusual they are described as 100 ... year floods. Here’s what to know about how scientists determine how extreme a flood ...

While the SFHA is a key focus for FEMA and NFIP, it is important to remember that flooding can occur outside these zones as well. Even areas outside the 100-year floodplain can experience flooding, ...

A 100-year storm is a serious weather event with a 1% chance of occurring in any given year. The term “storm” is used to depict both rainfall and flood events, depending on the context.

The city’s Public Works officials told a group of residents and business owners in April that the plan has changed and homes won't be razed.

Ithaca’s Common Council will vote to adopt new FEMA flood maps and update floodplain management regulations at 6 p.m., on Wednesday, April 16, at Ithaca City Hall. The proposed law, adopting ...