advisory

nouns

an announcement that usually advises or warns the public of some threat
"a frost advisory"
advisory
is derived from
advise
is a type of (narrower)
a public statement containing information about an event that has happened or is going to happen
"the announcement appeared in the local newspaper"; "the promulgation was written in English"
announcement, promulgation

adjectives

giving advice
"an advisory memorandum", "his function was purely consultative"
advisory, consultative, consultatory, consultive
is derived from
advise