meteorological observation post vs weather station

meteorological observation post and weather station both are nouns.

Word	Noun	Adjective	Verb	Adverb
meteorological observation post	Yes	No	No	No
weather station	Yes	No	No	No

As nouns, meteorological observation post and weather station are synonyms defined as:

meteorological observation post and weather station: one of a network of observation posts where meteorological data is recorded

meteorological observation post (noun)	weather station (noun)
one of a network of observation posts where meteorological data is recorded	one of a network of observation posts where meteorological data is recorded