I don't know if it has a name of its own, but the effect
is called "training showers" where you have a low pressure
area on one side sucking up wet unstable air from the gulf on the other side.
It sort of perpetuates itself, one shower after another.. like a train.
That's my story and I'm sticking to it.
It's started again up here.
There went Psycho out her doggy door.