What is another word for premonitory signs?
Pronunciation: [pɹɪmˈɒnɪtəɹˌi sˈa͡ɪnz] (IPA) 
Premonitory signs are indications or signals of impending danger or trouble. There are many synonyms for this phrase, all of which convey a sense of foreboding or warning. Some of the most commonly used synonyms include advisory, cautionary, ominous, portentous, prophetic, forewarning, and presaging. Other synonyms include foretelling, predicting, foreseeing, and foreshadowing. These words can be used to describe a range of things that indicate that something bad is about to happen, from weather events to physical symptoms to social or political trends. Regardless of the context, premonitory signs are always important to pay attention to, as they can help you avoid potential danger or trouble.
