This is the 9079th most frequent Polish word.
stormowska
"Stormowska" is not a standard Polish word; it may be a name or misspelling.
The word 'stormowskiej' is used here as an adjective derived from the base 'stormowska', implying something related to or affected by storms, figuratively referring to turbulent events or periods in the past.
Nasz sąsiad opowiadał o historii stormowskiej przeszłości.
Our neighbor talked about the history from a storm-like past.
The word 'stormowskiego' is applying the 'stormowska' idea metaphorically, describing the mood of the painting as dramatic or dynamic, akin to a storm.
Kolorystyka obrazu przypomina mi coś bardzo stormowskiego.
The colors of the painting remind me of something very storm-like.
The term 'stormowska' in this context is used in its figurative sense to depict dramatic or abrupt changes likened to a storm.