The threat of flash flooding returned to North Carolina on Thursday, only days after Tropical Depression Chantal dumped heavy rain across the central part of the state, flooding homes and highways and leading to dozens of rescues.

A "considerable" flash flood warning was issued in Boston on Thursday morning as heavy rain pounded the city and areas to the south.Four to 6 inches of rain fell in the towns of Canton, Quincy and North Scituate.

The latest science on the link between climate change and natural disasters — and how they may be playing out where you live.