debris storm vs debris surge

debris storm and debris surge both are nouns.

Word	Noun	Adjective	Verb	Adverb
debris storm	Yes	No	No	No
debris surge	Yes	No	No	No

As nouns, debris storm and debris surge are synonyms defined as:

debris storm and debris surge: the sudden spread of dust and debris from a collapsing building

debris storm (noun)	debris surge (noun)
the sudden spread of dust and debris from a collapsing building	the sudden spread of dust and debris from a collapsing building