forecast vs warning

forecast

noun
  • exacta 

  • An estimation of a future condition. 

  • A prediction of the weather. 

verb
  • To estimate how something will be in the future. 

  • To foreshadow; to suggest something in advance. 

warning

noun
  • Something spoken or written that is intended to warn. 

  • The action of the verb warn; an instance of warning someone. 

intj
  • Used to warn of danger in signs and notices. 

How often have the words forecast and warning occurred in a corpus of books? (source: Google Ngram Viewer )