4 adjectives to describe forewarning

When she saw him coming toward them in traveling suit, instead of the white serge he always wore on such days as was that, she knew he was going awaya fortunate forewarning, for she thus had time to force a less telltale expression before he announced the reason for his call.

To-day they seem to convey little forewarning of the matchless lyric gift that was soon to awaken, being a shade too intellectual and sententious.

For whom or what she plans, she knows no more Than any mother of her unborn child; Yet beautiful forewarnings murmur o'er Her desolations wild.

And, with a sweet forewarning, Mak'st round the sacred front an aureole glow Woven of that light that rose on Easter morning.

4 adjectives to describe  forewarning