| Answer | Crossword Clue |
|---|---|
| ALERT | Early warning |
| ALARMS | Early-warning systems |
| DEW | Distant Early Warning. |
| DEWLINE | Early-warning system. |
| SMOKEALARM | Early warning device |
| DONTTREADONME | Early flag warning |
| RADAR | Early-warning device |
| dew | distant early warning |
| DEW | ... line (early warning system) |
| COCKADOODLEDOOM | Dire early morning warning? |
| DISTANT | Rush's "Early Warning" location? |
| NORAD | US-Canada early warning acronym |
| NORAD | U.S.-Canada early warning syst. |
| CLIMATECANARY | Species that serves as an early warning system |
| NORAD | Early warning system for the U.S. and Canada |
