Heavy rainfall caused areas of flooding on I-93 and other major roadways in Massachusetts on Thursday morning.

The unprecedented flash flooding prompted several rescues on the ground of what looked like a river on the highway.

Mayor Lynn Crawford said hearts are broken over the lives lost and stomachs are in knots as residents begin to take stock of the damage.

Flash flooding could impact parts of south central and southeastern Massachusetts, Connecticut, and Rhode Island, Boston meteorologists warned.

Back-to-back flooding disasters in recent years — in Texas, New Mexico and Kentucky, among many others — have showed that preparing for flash flooding is a new necessity as the planet warms.

It’s really hard to comprehend, but it does kind of put into perspective making sure all of our safety protocols and things like that are in place to make sure we are doing our very best to keep campers and out staff safe every single day.

Local officials in one of the hardest-hit counties have still revealed little about what, if any, actions they took to safeguard residents, tourists, and visitors in an area known as “flash flood alley.