| Clue | Source | Date |
|---|---|---|
| Poor waymarker that's not a good omen! (3,4) | ||
| Hardly a heartening harbinger | New York Times | 21 Aug 2024 |
| Troubling omen | Eugene Sheffer | 26 Nov 2021 |
| Unwelcome omen | Universal | 18 Jun 2020 |
| Red sky at morning, to a sailor | New York Times | 04 Jun 2015 |
| Red sky at morning, to a sailor | ||
| It's not promising |