On Fri, 27 Jul 2018 20:58:53 +0100, Jim GM4DHJ ... wrote:

Just sitting watching a thunder storm and the water is coming off
our
roof so fast that it is flying straight over the guttering and
into the
rather startled bamboo plant.

get a deep flow ....

Doesn't make that much difference when it's 'issing it down and the
water is simply overshooting the gutter, rather than the gutter being
full.

If it did it during normal rain I'd do something about it but
otherwise not.

--
Cheers
Dave.