Rainstorms provide natural moisture to the environment. Receiving rain will keep plant life healthy, give animals a natural reservoir to drink from, as well as keeping the life in the river healthy. Though a flash flood may cause damage to buildings and habitats at first, buildings can be fixed and over time, wild flora and fauna will return to the area, often more plentiful, is there is a good amount of moisture <span />
They weren't as accurate as they could be, in fact some were just based off of educated guesses.
Answer:
20 miles, this is just me rounding around where it would be.
Explanation:
