Related Clues:

• Give warning of object left on top
• Be a sign of (impending calamity)
• To be a warning
• Herald has drink to finish
• Threaten rather oddly to jump into water
• Be a sign of (something)
• Betoken; presage
• Warn of Left's annihilation?
• Herald left to die
• Indicate there's some wine to finish off
• Left to last, as forecast
• Give a warning to the left prior to conclusion
• Warn of drink leading to death
• Warn of downfall supporting left
• Don crept out, ignoring BBC's last forecast