- ALERT
- On the ball
- On the lookout
- Wide awake
- Argus-eyed
- Code red, for one
- On one's toes
- Sharp-eyed
- Tip off
- Warn
- Not oblivious
- Storm siren
- MacLean's "Red ___"
- Warning
- Feeling the espresso kick in, say
- Eagle-eyed, say
- Put on notice
- Bring to someone's attention
- Cell phone beep
- Heads-up
- Totally awake
- Red flag
- Firm warning
- Warning signal
- Siren time
- Stimulated
- Time to use the siren emoji
- Fully awake
- It might be red
- Message to beware
- Not caught napping
- Not easy to fool
- All eyes and ears
- Wake-up call
- Siren or APB
- Not missing a trick
- On the qui vive
- On your toes
- Conscious
- Red state
- ___ Bay (Cormorant Island BC community)
- Red ___ (warning)
- Fully attentive
- Keenly attentive
- Like good sentries
- All ears
- Like TSA agents, you'd hope
- Alarm, e.g.
- Bright-eyed
- Awake and aware
- Hurricane warning
- With one's eyes wide open
- Danger signal
- Quick on the uptake
- Vigilant
- Tornado siren
- On guard
- Like a good guard
- Having heightened senses
- Watchful
- With it, in a sense
- All-points bulletin
- Fully conscious
- Put on call
- Tornado siren, e.g.
- Ready for anything
- Siren, e.g.
- Give a heads-up to
- Primed for action
- Ready to react, perhaps
- Use a whistle, maybe
- Notify
- Advance warning
- Bulletin
- Send a heads-up to
- Highly vigilant
- More than just awake
- Ready
- Ready for trouble
- Attentive
- Bright-eyed and bushy-tailed
- Paying attention
- Bushy-tailed?
- Military state?
- Ready for action
- Nostrils, anatomically
- Not sluggish
- SPOILER ___!
- Tocsin
- Cognizant
- Clear-witted
- Prepare
- Rady for action
- It may be red
- On the que vive
- Warning that's often red
- Not asleep on the job
- Blow the horn at
- APB, for one
- Readiness condition
- Flag
- Like a sentry
- At the ready
- Ready for whatever
- Colorful warning, often
- Flag down, say
- Like a good watchdog
- Make aware
- Wake-up call, say
- Not asleep at the wheel
- Not likely to miss much
- Frost advisory, e.g.
- Give a heads-up
- Paying careful attention
- Red __
- Warning word often preceded by a color
- Caution
- 30-Across, for one
- Air raid signal, e.g.
- Phone notification
- Fully caffeinated, say
- Like a guard on duty
- Phone setting
- Emulate Paul Revere
- Give notice to
- Klaxon cause
- Eagle-eyed
- Ready to go
- Storm posting
- Wide-eyed
- Danger notice
- Police bulletin
- 29 Across, for example
- Open-eyed
- Quick-witted
- Trouble indicator
- Storm warning
- Message from Security
- Ready to act
- Request of a retail website
- Send a warning to
- Weather advisory
- Percipient
- Sharp
- Give notice
- Notice
- Standing by
- Not dozing
- Taking it all in
- Paying close attention
- Clearheaded
- With an agile attitude
- Paying full attention
- Watchful and ready
- Perceptive
- Warn of 62 Across
- Carefully watchful
- Catching everything
- Air-raid signal
- Keen
- With it
- Forewarn
- Not nodding
- Observant
- Military signal.
- Military warning.
- Warning lacking at Pearl Harbor.
- Air raid test.
- Air-raid alarm.
- Awake.
- Raid alarm.
- Air raid warning.
- Wary.
- Nimble.
- Prompt.
- Siren sound.
- On tiptoe.
- Keen-eyed.
- Brisk.
- On the job.
- Practice for the CDA.
- Tiptoe.
- C. D. signal.
- Practice for CDA.
- Active.
- Looking sharp.
- Signal.
- Not somnolent.
- On the watch.
- Signal for a scramble.
- Quick to notice.
- Warning sound.
- Quick to act
- Civil Defense condition.
- Siren signal
- Like a good base-runner
- Not easily fooled
- Put on guard
- On the ready
- Awaken
- Put on the ready
- Sitting up
- Make wary
- Red follower
- Signal of a sort
- On one's guard
- This might be red
- Inform, in a way
- Siren warning
- ___ Bay, Canadian port
- Antarctic base
- Red chaser
- Far from drowsy
- Lively
- Prepared
- Raid warning
- Sharp as a tack
- Sound the alarm
- With ears pricked
- Red ___
- Heads up!, e.g.
- Notify of danger
- Whistle, maybe
- News ___
- Yellow ___
- Like Argus
- Siren
- Whistle, for one
- *Siren ... danger ... perked up
- Ready to jump, perhaps
- Look out below!, e.g.
- Listening
- Red flag, e.g.
- Red light
- Yellow flag
- Not out of it
- Word often preceded by a color
- Caffeinated?
- It's high when it's red
- Like good guards
- Bit of Weather Channel news
- Having pricked ears
- All-points bulletin, e.g.
- Like prairie dogs, notably
- Like a good lookout
- Quick
- Sound of an incoming text, e.g.
- Pop-up, sometimes
- Red flag, maybe
- See 42-Down
- A serious one might be red
- Ding or buzz, maybe
- Incoming text ding, e.g.
- It can be red or amber
- Incoming!, e.g.
- Having ears cocked
- Fore!, for one
- One may be red
- Reason to check one's phone
- Text ___
- Having perked-up ears
- Not sleepy
- ___ the media!
- Email ___
- Emergency notification
- Opposite of drowsy
- Smartphone pop-up
- Well-caffeinated, perhaps
- A red one is concerning
- Notification
- Cellphone notification
- Danger! Danger!
- Early warning
- Make buddy aware of show
- Ready for shows
- Show heads-up
- Tour heads-up
- What fans are on for upcoming shows
- Quiet Riot "Red ___"
- Bright-eyed and bushy-tailed, say
- Notice on a phone
- It might be red or read
- Not sleeping on the job
- Word with red or on
- Like a guard dog
- Vigilantly attentive
- Like a good guard dog
- Not foggy-headed
- Sound the tocsin
- Mentally responsive
- Qui vive
- Prepared for action
- Like an excellent guard dog
- On top of things
- Type of post-caffeine state
- Storm posting, e.g.
- With eyes wide open
- Bring to the attention of
- Like a watchdog
- Paying heed
- Shout "Heads up!"
- Attentive to possible danger
- Definitely on one's toes
- Like the best guard dogs
- Like the best security guards
- With ears pricked up
- Aware
- Caffeinated, perhaps
- Keeping an eye peeled
- Message from an app
- Ding on a phone, maybe
- Urgent notice
- Ready for a long drive
- Red ___ (emergency status)
- Hyperaware
- Notification, e.g.
- One might cause a phone to buzz
- Now hear this!
- On edge?
- On top of it
- Sound a warning
- In a post-caffeine state
- Standing at the ready
- Danger signal, e.g.
- Cellphone notice
- Ready for an attack, say
- Shout "Duck!" to, say
- Yell "Heads up!" to
- Word after red or AMBER
- Keeping a good watch
- You might issue one for spoilers
- Important notification
- Urgent notification
- The Circle notification
- App notification
- Word after "spoiler" or "news"
- Phone reminder, e.g.
- Ears pricked up
- 56-Across, perhaps
- Foghorn blast, say
- Urgent message, maybe
- Like a worthy watchdog
- Fit for guard duty
- Fit for sentry duty
- Like good watchmen
- One may precede a spoiler
- See 10-Down
- Well-caffeinated, maybe
- See 52-Down
- Watchful state
- Call to attention
- Period of vigilance
- Phone pop-up
- Like a good sentry
- Reason for a phone beep
