Australian spelling vs storm centre

Australian spelling and storm centre both are nouns.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
storm centre	Yes	No	No	No

Australian spelling (noun)	storm centre (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')	the central area or place of lowest barometric pressure within a storm
	a center of trouble or disturbance