Storms can be used as a noun and a verb.
As a noun, it is the plural form of storm. Example: The weather calls for numerous storms this week.
As a verb, it is the 3rd person conjugation of storm. Example: He storms into the room, yanks the remote from his son's hand, and turns off the all-too-loud television.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "lecturer" is a noun.
The part of speech for "indefinite" is an adjective.
The part of speech for "buried" is a verb.