ad·vi·so·ry 
(ăd-vīzə-rē)
(ăd-vīzə-rē)adj.
1. Empowered to advise: an advisory committee.
2. Relating to or containing advice, especially a warning: an advisory memorandum regarding airworthiness.
n. pl. ad·vi·so·ries
A report giving information, especially a warning: a weather advisory.