Related Clues:
- Shooting stars, some think
- 666, perhaps
- ... with 'female only' sign
- Sometimes-bad sign
- Divine message, for some
- Red sky, to mariners
- Submarine's first captain comes up to deliver warnings
- Sign, of a sort
- Forecaster's sighting
- Sign sometimes upsetting
- Spooky occurrence in the board game Betrayal at House on the Hill
- Fateful sign
- Halley's Comet, to William the Conqueror
- Appearance of a comet, maybe
- Chilling sign, perhaps