Unless you send a cloaked colony ship into enemy territory, along with a storm generator, and create storms over the planet you colonize hoping to God that you get a cloaking storm
Of course then the opponent, if he were a human, would sooner or later realize that one of those tiny toxic planets he'd been meaning to colonize sooner or later had suddenly disappeared, and he'd research hyper optics for a few turns, then crush your puny outpost
