Just how heavy could rain become in the warming world?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific concepts

On a very wet day we can expect 1-2 inches of rain to fall in the UK, perhaps double that in extreme conditions. But as Hurricane Harvey and other storms have shown, in warmer climes prolonged rainfall can be many times heavier. So in a warming world, just how heavy could rain become?

Jon Lucas, Bath