The warning is in effect until 9 a.m. for Boston and several communities south of the city, according to the National Weather Service.

A "considerable" flash flood warning has been issued in Boston as heavy, life-threatening rain pounds the city and areas to the south.

On Thursday at 6:01 a.m. the National Weather Service released a flash flood warning in effect until 9 a.m. for Bristol, Middlesex, Norfolk, Plymouth, Suffolk and Worcester counties.

Eyewitness accounts reveal terrifying moments when a massive flood struck Hunt, Texas on July Fourth, killing more than 100 people.

Texas inspectors approved Camp Mystic’s emergency plan just two days before devastating floods killed over 27 people, mostly children, at the Texas summer camp

The survival of people in local camps and low-lying areas depended not on official evacuations but on whether they were paying attention, on their own, to weather alerts in the middle of the night.