The study argues that storms that dump more than 20 inches of rain on Texas are about six times more likely now than they were at the end of the 20th century. Hurricane Harvey dropped 20 inches of rain across a swath of the state, and it deluged some parts of Houston with a record-smashing 60 inches of rain.

Source: Global Warming Really Did Make Hurricane Harvey More Likely, a New Study Finds – The Atlantic