User blog comment:YowAnime/Weather Manipulation/@comment-108.83.222.210-20200815205727/@comment-46514090-20200816034605

It just only mean that Nami could perhaps pose a threat in future,  the scientist who taught her this never used this knowledge about weather manipulation as a weapon and I think she is wise and clever to use it against her eney. Its just a hunch that she might be powerful enough in the future.