Related Clues:

• Icy-pellet precipitation
• Pellet precipitation
• Destructive precipitation
• Like good guards
• All-points bulletin, e.g.
• Eagle-eyed
• Standing at the ready
• Sign word that may be followed by an exclamation point
• It may come down hard on you
• '___ Caesar!'
• Shout "heads up!"
• Paying heed
• "Heads up!" e.g.
• All eyes and ears
• When repeated, exuberant cry