A "100-year flood" means a 1% chance of that level of flooding happening each year. Houston saw three 500-year flood events within three years from 2015 to 2017, including Hurricane Harvey.

With the potential for once-in-a-lifetime rainfall and widespread impacts, historic flash flooding is increasingly likely across parts of the nation through Saturday, fueled by repeated rounds of ...

As if that weren’t enough, Wednesday will also be the start of a multi-day, once-in-a-lifetime flooding event. • Severe thunderstorms ongoing: A powerful line of severe storms stretched from ...

A dozen schools have closed in north-west NSW as communities prepare for significant flash flooding. Heavy falls are expected across already saturated catchments in the region today, which could ...

ATHENS, April 1 - Schools and kindergartens were closed on several Greek islands including Paros and Mykonos on Tuesday after severe weather brought torrential rain, flooding and hailstorms to the ...

Major flood warnings are still in place in parts of Queensland as "widespread" heavy rain smashes the state. Flood waters over Toompine Road in the Quilpie area. Photo: Lauran Gilligan Up to 100mm ...

Severe storms dumped about half a year’s rainfall in two days, leading to flash floods across both sides of the border. By John Yoon Severe flooding swept South Texas and cities across the ...

MCALLEN, Texas (ValleyCentral) — South Texas Health System in McAllen is cleaning up after experiencing flooding at its medical facility when a stormwater drain cap cover broke. STHS is ...

People in the Channel Country, Maranoa and Warrego and the Darling Downs and Granite Belt areas have been warned of heavy rainfall on Friday that might lead to flash flooding. Isolated falls of ...

One of northern B.C.'s most popular parks is fully reopening for the first time since being destroyed by flooding nearly four years ago. Starting April 2, B.C. Parks will take reservations for ...

Despite the rain slackening off somewhat, it is still expected to linger for some days, with potential for further flood warnings to be put in place due to the consistent inundation. Water is ...