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

by Ida Domingo and Christian Flores TOPICS: WASHINGTON (7News ... the most recent flood amounting to about a foot of standing water that had been unabated for so long it became filled with ...

The city's contractor says between 100 and ... in DC. This statement below can be attributed to a FEMA Spokesperson. Updating the nation’s flood maps is a collaborative, multi-year effort ...

Mr. Trump, who abandoned an Obama-era nuclear accord with Iran seven years ago, announced the plans ... funds to better prepare localities in flood-prone areas for damaging storms like Hurricane ...

In reality, it’s become a referendum on Elon Musk and his agenda in Washington and his willingness to flood American politics ... candidates running later this year and in the midterms next ...

A 100-year flood has a 1% chance of happening in any given year. A 500-year flood? Just a 0.2% chance. But that doesn’t mean ...

Weather forecasters sometimes warn of storms that unleash such unusual rain they are described as 100-year or even 500-year floods. Here’s what to know about how scientists determine how extreme a ...

CHARLOTTE, N.C. — When forecasters warn about a 100-year or 500-year flood, it doesn’t mean it only happens once every century. A 100-year flood has a 1% chance of happening in any given year.

a statistical calculation that helps the government determine floodplain maps, marking the boundary where there's a 1% chance of flooding in any single given year within an average period of 100 ...