| LAYERED | Stratified lake certainly a warning of something dangerous |
| PRESAGE | Be a sign or warning of (something about to happen) |
| THREATEN | Give warning of something unpleasant (8) |
| LAY | Ordinary lake certainly (3) |
| COMPOSURE | Penny entering Italian lake certainly showing calmness (9) |
| LETUP | A pause or reduction in the intensity of something dangerous or difficult (3,2) |
| SIRENSONG | The allure of something dangerous (5,4) |
| LETUPS | Pauses in the intensity of something dangerous or difficult (3,3) |
| ESKER | In geology, a winding ridge of stratified sediment formed from the deposits of the meltwater of a retreating glacier (5) |
| PINAFORE | Dress code, of a sort - a warning, of course (8) |
| SHALEJOKES | "Q: How is a chicken coop like finely stratified sedimentary rock? A: They're both full of layers," and the like? |
| REDALERT | State of readiness prompted by a warning of imminent danger (3,5) |
| SIREN | A warning of a lady at sea! (5) |
| THREAT | A warning of the possibility of harm |
| ALERT | Admissions of distant relative raised a warning of danger (5) |
| SYNCLINE | In geology, a fold of stratified rock in which the strata slope upwards on either side (8) |
| ESKAR | Ridge of stratified sand and gravel |
| KAME | Mound of stratified drift |
| SHALE | Stratified rock which splits easily, created by successive layers of clay (5) |
| NODOUBT | Certainly a misrepresentation of Thomas's position? (2,5) |
