na-adjective
Describes something characteristic of, limited to, or focused on a particular region or locality.
この料理は地域的な特色が強い。
This dish has strong regional characteristics.
地域的な問題は地元の自治体が対応する。
Local issues are handled by the local government.
局地的 means 'localized' in the sense of being limited to a very small area, often used for weather phenomena, whereas 地域的 is more general.
Compound of 地域 (chiiki, 'region') + 的 (-teki, '-like, -al'). The suffix 的 is a productive way to form adjectival nouns from nouns.