The raindrops are large but there are not many of them.
I think of the word ponder, which has a pond in it, and those four rounded letters take up more space than most on a line. (Except w.) You may only write the word so many times before exhausting the line.
The segment swollen like these aimless raindrops, which sometimes miss anyway. Most of the time they miss.
They are large but there are not many of them, and an umbrella is such a bother.